SHOULD YOU PRE-FILL AN OIL FILTER?
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- Опубликовано: 15 окт 2024
- In this video I change the oil on my newly acquired 2005 GMC Envoy and talk about my opinion on whether or not to pre-fill an oil filter.
ACDelco PF61 Oil Filter: amzn.to/2RNdC1M
What do you think? Should you pre-fill or not? Comment below!
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Answered in 12 seconds, thank you.
My dad taught me to oil the rubber seal before pulling it onto the vehicle to prevent it from tearing when you tighten it down and so it will not dry out and crack
I thought everyone knew to do that.. that should be common practice.
Also.. I heard a story about a filter gasket getting stuck and when you put the new one on... You have 2 filters binded and not creating a proper seal.
My dad doesn’t know how to change oil but somehow I still know. It’s literally printed on the oil filter box or the side of the filter, there are symbols representing a hand with its index finger touching the seal of the oil filter along with oil droplets, and there are instructions written right next to it.
Hi Jimmy, Just found your site. My Mazda mechanic (Australia) told me the most important reason to prefill the oil filter is to prevent micro tearing in the dry filter membrane as dense cooler oil is forced in on the very first startup. Prefill guarantees the new oil gushing in pushes on existing oil like on usual startup so it's good to have even oil pressure inside the filter at this first instant.
Makes perfect sense, if it comes out full of oil(In vertical position cases) why not fill it with oil?
I never prefilled my oil filters. I always check to see if it's full up to the recommended line on the dip stick AFTER I ran it and shut off engine. Never had a problem with any of my cars. Good buy on the vehicle brother
I started doing this awhile back after discussing with a friend. I had not even thought about doing it and it made perfect sense. Most vehicles are not vertical anyways which is another reason I probably did not think about it. I highly recommend people to do this! Some vehicles will make very noticeable clatter when you start them on a dry filter and it is difficult to hear it from the driver seat often times. I start by pinching out two small holes in the plastic seal of the bottle to make it easier to fill the filter without making a mess. It takes a few minutes to get it right because it keeps on absorbing into the filter media and lowering the level in the canister. If your filter is anything other than vertical, you can add oil and then rotate it in your hands and it will absorb a lot more oil than you think. Keep going until it gets to the point that it will spill at your installation angle. Yes 99% of engines out there have never had pre-filled oil filters and may have hundreds of thousands of miles. As for me and my engines, we will prefill !
Another small tip...if you have ever had trouble removing a filter, buy one of the three pronged "spider" wrenches and thank me later!
Filters do hold a ton of oil!
Mine mounts vertically and I fill it to the brim 3 times and then a top off is usually needed too
i work at a lube shop we dont prefill car filters but always diesels and large trucks or vans and hat 3 pronged spider wrench you speak of is my best friend
I've always prefilled the oil filter. Never had an issue oil related.Been doing it 14 years that way.
Why well I was showed that way. Later on the theory is it prevents dry start up damage when you start it after the oil change.
However ive heard and seen people do it the other way with zero issues as well.
May be just a useless extra step.
Start the car a bit before the change.. not long enough to get hot and then do your change.. no need to worry about a dry start. You actually aren't supposed to pre-fill.. many companies state this in manuals including CAT. The part you are dumping oil into is the clean side coming back into the motor.. if you get dirt into that part while filling or if something is in the bottle.. you can shove it right into your motor and bearings....
@@badlilstang
Hmmm very interesting that it can actually be BAD
Man there's so much to know about cars lol
@@badlilstang Yep, if you prefill, do it from the outer holes and NOT down the big center one. Most people pour it right down the middle. I never pre-fill and never have issue
Both ways are work the same as long as you change oil every 5 thousand miles
Subarus have the filter on top of the engine, hole facing down, easy to get to for oil changes, but prefilling is not really an option. I did add a little oil to get some soaked into the medium, but not enough to pour out when I put the filter on.
Did an oil change on a Saturn Vue 4cyl. It had a replaceable element type filter near the top of the engine, upside down of course, so I did the same with oiling down the filter element.
youll just have more wear on the first start after an oil change. some cars are worse than others. however, you can overcome this by pulling the fuel fuse/relay then crank the engine for a couple of seconds so that it builds oil pressure. reinstall fuse/relay and youre good now....i looked this up a while ago and ive been doing it ever since. i used to do maintenance for taxi cabs. some even had 400k miles and still running strong
Got my car used at 149,000 miles,have changed the oil every 3 months,oil filter hangs straight down,I fill the filter,I am up to 159,000 miles,engine still runs smooth
get your self a set of those plastic ramps.. you'll love them no jacks
i have rhinoramps the max it makes it much easier to do oil changes
@fung whyou awesome, but isnt it easier it use jack stands instead of filling the ramps with concrete
one curb in a parking lot , always works , just drive slow
@@Pinkielover yes it works but its not that safe
Unless you're using water or changing the oil and then not restarting the engine for a long time like weeks. There should always be oil clinging to the metal engine parts regardless of filling the filter. If it made a difference, it would be in the owners manual that you must prefill the filter. It doesn't matter. Those of us with OCD, like myself prefill the filter for peace of mind.
Congrats on your new purchase. Nice ride. I do agree on pre-filling the oil filter, even on horizontal mounted ones (obviously I only use the necessary amount just to saturate the element inside without a spill). One tip though: I noticed the way you handled the oil bottles. I am sure your pulse is steady enough, but I would recommend turning the bottle so that the neck is opposite of the oil filler opening or oil filter, or use a short funnel (less or no spillage and more flow control). Inline six. Hmm, I have not seen one of those in ages (the last one was my wife's 78 Nova).
What is next: plugs, filters, Big 3 upgrade? Let us know.
Even if it is a side mounted filter, I’ll wet the filter element with oil, maybe 1/8 or 1/4 full and roll it around before installing. I little is better than none at all I figure, plus it lubricates the thread and gasket which should be done anyway.
I prefill all filters myself. I am careful to make sure none of the seal from the bottle gets into it. If it's a side filter(like my Infiniti and Navigator) I fill it partway. Cover it and place it back in the box and close the box top. This helps keep the oil clean. After all the oil in the middle is going to be sent right to the oil galley. I also like to do the "floor it" method. Place the peddle to the floor, crank engine for a few seconds. Let off the key and accelerator and start like normal. I get no engine noise this way. I have also torn 2 of my engines down and found no unusual wear in the main bearings or rod bearings that would suggest contaminated oil.
Reason for one engine being torn down was due to timing chain jumped. Other was BOUGHT with rod knock and drove on for a while. Yes the one rod that did knock showed contamination, but that can be assumed it was from the bearing material. before anyone ask it was the rod bearing farthest from the oil pump. So contamination from unfiltered oil from a prefill is UNLIKELY BUT NOT IMPOSSIBLE and I highly doubt that was the cause of rod knock to start with.
I always turn the engine over for about five seconds without the ignition firing,disconnected coils,which primes the filter and oil pump before reconnecting the coils and then starting normally.
Not a bad way to do it...engine's not revving high enough to do any damage but enough to get the oil flowing.
Hold the gas pedal to the floor then turn the ignition over. Clear floor mode lets the starter turn the motor over without the ignition coils firing and the injectors pulsing so that you're not sending raw fuel into the catalytic converter
good vid bro. i have been filling the oil filter on my 2008 ford f-250 w/5.4L v-8 since i got in in 2009. i normally fill the oil filter to the threads let it sit for a day, and refill it some more since the filter media absorbs the oil over 24hrs for max saturation. when the filter is full of oil it normally has about 22 ounces of oil in it and i spin it up on the oil filter housing when i am ready to do my oil change on my truck, this virtually eliminates dry starts and the oil gauge comes up to max pressure in a split second. this should in theory save the engine from any wear and tear.
It doesnt absorb the oil it allows the oul to pass through it.
Let it sit for a day? Dude, you've got some serious OCD stuff going on. Either way, new oil that's relatively warm should flow through a filter element in 20-30 seconds. You can have the filter "full enough" in under 5 minutes if you cared that much. You're going through all of this trouble and something else is going to end your engine's life before anything related to this will...
Your oil change takes a day? Lol
no i fill the oil filter up prior to the oil change the next day, i do not do a 24hr oil change. its stupid easy bro.
@@waynes.2983 The oil passes through it after the filter media has absorbed all of the oil it's capable of holding. Open up the canister of a used filter and you'll see the pleated filter medium saturated with oil.
I worked for a forklift company and yes it's better to prefill the oil filter. It aliminates most of the air pocket and rough start witch can affect your car in the long run. My 99 Silverado 340k miles still running strong and also 07 Tahoe 197k still running perfect
Ppl that don’t pre-fill their oil filter are almost always millennials who barely got their 1st car
Worked on the motor line in General Motors and all filters were screwed on dry,brand new engines,never pre oiled the filter
I just run the motor for 1 minute and lube gasket. I work for a major parts distributor and they conducted a study showing and supporting that the American cars are more susceptible to oil changes and certain types of oil including additives and thickening agents like Lucas Oil additive. Foreign cars proved to be no point in adding any oil additives or gas additives as the supplied chemicals proved to be of Max efficiency and performance including longevity. I feel American cars are more susceptible to different methods of doing oil changes and additives
Oil filters is kinda up the person. It doesn't make a difference. However you should ALWAYS prefill a fuel filter (especially if diesel) air pockets can damage fuel injectors and lead to rough running. Priming your fuel filter with your pump will work, but it's generally best to fill it if possible.
I have always prefilled my filters, both my 89 v6 and 91 v6 camaro filters where sideways and prefilled about 75% the 89 v6 had 264,000 when i sold it and the 91 only had 154,000 when someone totaled it for me. My 92 305 camaro filter is striaght up and i prefill it everytime, currently has over 300,000 miles. My wifes 2014 dodge dart has nearly 60,000 miles i use a larger (taller) filter than stock and prefill it was well, its the only dodge dart of its generation out of 40+ dart owners thats in a car group that still has the original engine and uses/burns zero oil between changes and we change it every 3-4,000 miles.
I cant say prefilling prevents damage but does keep less air being introduced to the bearings on a freash oil change.
It’s not usually recommended to pre-fill an oil filter because as soon as the engine starts it starts on un filtered oil. If pre filling an oil filter it is best to fill it from the outer holes rather than the main inner hole.
Yeah, not easy if there's an anti drain back valves though. I did it the other day on my Mahle filter, it goes on almost horizontally, so could only really soak the filter material. Still, oil light went out very quickly.
When not pre-filling an oil filter, you run the risk of a pressure pulse wave through the lubricating system caused by the air in the oil filter. You learn this in fluid dynamics
Is it necessary? It depends!. Before you change the oil you always warm up the engine first so the oil pours out better and faster, now it takes about 20 minutes to change the filter and add new oil , so when you start up the engine with the new oil, everything inside has a film of the old oil from warming up the engine, so it is really not a dry start up unless you drained the oil without warming up the engine that has been sitting for a few days. Just my two cents!
Prefilling can be counterproductive. If you get any debris into the center of the filter, it gets pumped unfiltered directly into the engine's very tightly clearanced parts.
It can be plastic from the bottle seal, and the oil in the bottle isn't gauranteed from the maker to be filtered down to what an engine requires which is usually 30 microns or smaller.
Oil is usually filtered through a 5 micron filter, before filling the bottles. that's 6 times finer than the filter on the engine. Bulk oil from a 55 gallon drum could possibly have sediment, so, prefill the filter from a quart bottle, then, fill the engine crankcase from the bulk drum. Oil will never be cleaner, than when poured straight out of a new bottle.
No need to do it otherwise the oil filter manufacturers would tell you to do it. As soon as you start your engine, the oil will start circulating and fill the filter.
Those double plates (Oil Arrester) do have a higher failure rate than the regular AC Oil filters , So you you made a wise choice, You tube has a few E version filters failure videos if you search for them ??👍
Frank. T who told you it’ll be a dry start for a split second lol that’s completely false
Frank. T I’ve been servicing cars for years I’ve never had that issue not heard a “rattle” at start up. There’s still oil on all the moving parts when you do an oil change when you drain it out it doesn’t become bone dry, unless you take a month to change your oil lol
@Frank. T No starvation, there is plenty of oil in the right places of the engine to keep it lubricated for the couple seconds it takes for the oil pressure to come up.
@@AirsoftZebra Yes, correct. Cigar for you.
Not sure if you're car has the same problem but many GM SUVs like the Acadia or Saturn Outlook etc. Has a design flaw where the power steering hose crimp rubs against the air conditioning line up by the firewall and the AC line loses the battle. Check if you have that problem before it's too late because replacement lines are unavailable. The location also prohibits splicing the line. However you can by a cap to terminate the rear line that has the hole but you lose rear AC.
I always prefill my filter and so when I first start the engine after the oil change the oil pressure builds up in the galleries almost instantly and I get no valve train clatter. The one time when I had a shop do the change they didn't prefill the filter and had not started the engine until I got there and started it myself. The valve train clattered for about 10 or 15 seconds while the oil system was building up pressure. I did not like that.
Yes, I prefill my 7.3’s oil filter just due to the sheer amount of oil the filter holds... I buy Oil by the 5 gallon bucket when i do those oil changes lol
The definitive answer is found in your owner's manual. For my vehicle (Cummins powered Dodge 3500) the manual says to prefill the filter. This may vary by manufacturer/vehicle. I therefore always prefill.
i do it because it makes sense and its not hard to do . even on my sideways mounted new truck
Since i was about 10-15 years old when i started to do oil changes myself my dad showed me to add oil to the filter. Even in school i was shown to add oil to the filter.I'm 44 now. Good thinking to do oil change right away. Probably would change again at 2500 km or 2000 miles to try to clean up any bad oil in it. Would get a better filter. K+N. Would look it up on RUclips. Why not get the best so your vehicle lasts longer. There is better stuff now a days than what we used to have. Even a magnetic drain plug and or a magnet for the oil filter would help.
K&N oil filters are made by Mann, but with the media coloured red to make them "look different". Go buy a Mann for half the money❗
There are 2 things to know when pre filling an oil filter. 1. What is the direction of flow for filtration. 2. Am.i getting trash in the filter that may be unfiltered after I star the engine. I saw the PIP in this video showing the way the filter was filled, this is wrong. Filters need to be pre filled from the small outer holes in the filter because this is the direction of travel for oil flow. If you fill from the center of the filter this will be un filtered oil right off the bat. I'm working with an issue now because of a bad oil change. Trash was introduced to the filter by way of priming that went directly to the first crank bearing and destroyed it. You may trust yourself but it doesn't take much to cost yourself a ton of money. If you're going to prime your filter be sure you prime it properly. If you're going to make a video discussing the pros and cons of doing this. Be sure your illustration is proper as not to misinform those that take it to heart.
I've never pre filled, and have never had an issue.
If you pre-fill your oil will likely be cleaner which means that there will be less particles in the oil.
When I prefill a vertical filter with the opening at the top as it's installed I turn the oil bottle sideways as it gives me better control of flow. And as I'm filling it up I do the initial fill land let the air purge out before installing so it won't accidently be overfull when installing minimising any chance of an oil spill.
@1ROAD at 6:40 you are holding the oil bottle the wrong way. Try turning it 180 degrees around and you'll see how easy it is to pour then. Neck of the bottle should be on top when pouring.
Is it bad not to do it ? Definately yes , if you want the maximum life from your engine then why would you ever want to start it with little to no oil pressure to the top end ? That is exactly what is happening when you hear that little rattle when you start it after changing the oil & without pre filling the filter , it might only be a 2 to 3 second thing until the oil pump starts to deliver oil at the correct pressure to the top end but it counts . The use of ramps that allow you to push the car off without firing it also ensures the oil pickup is surrounded by oil as the car is on level ground . The difference on some cars as to how much they rattle on startup can be huge , even when you have a filter that goes on horizontal you can still pre fill the filter if it has an anti drain flap which will stop some of the oil spilling out . Another point is if you have a car with a worn or inadequate volume oil pump , like those found on a 3v ford triton V8 , when I did the oil & filter on it for the first time ( horizontal filter ) & used ramps that I could not push the car off before firing up , it sounded like it was about to seize up , very unnerving to say the least . Now I use ramps that I can push it off & prefill as much as possible , it hardly makes a sound , proof enough for me . There are cars that you can’t prefill , like many Toyota’s that have downward facing filters , then I guess you are buggered , but you should still be able to prime oil pressure on a petrol engine by “ flood priming” in other words press the go pedal all the way to the floor , which stops it firing , whilst turning it over for about 5 seconds , then turn the key off & start as normal , this should get oil pressure to the top end & help prevent starvation without firing it first.
I prefill my oil filters no more than half full. I just want the filter media to be soaked and start absorbing the oil. I don't typically "top them off". Even a side mount oil filter which is roughly half full won't leak much as you screw it on.
makes sense and its easy to do . no need to " over do it "
takenusername this. I mean how else are we going to filter the oil by our day to day use besides an oil change, syringeing the oil out from the cap (overkill/ocd alert), installing an oil catch can. ? I want that old stuff that failed to come out of the drain to get caught right away lots or little.
If Engineers design filters that could not be filled while replacing I doubt it will be such a big problem not to fill them. I have the same attitude as you - if you can fill them fill them if you can't leave them.
What was the used oil filter filled at after removing ? Should of shown that. Pre fill it to what the old one is filled at. The filters that are horizontal just fill so the filter paper gets soaked. It is a good idea if possible since there is a period it takes the oil to go through. Since you showed the filter bottom and talked about quality, see a Ford MotorCraft filter and look inside, it looks high tech compared to others, but not really sure it is, looks very high quality though.
Few of things noted:
1. If one decides to prefill a vertical filter, it is not necessary to completely fill it. Stop an inch or so low and it won't slop out everywhere; 2. Funnels were invented for a purpose; and 3. If "halfway" prefilling a horizontal filter and waiting for the paper to absorb the oil, be aware absorbed oil isn't going to flow into the system until the oil pump pushes more oil into the filter. All you've accomplished is to install a filter with wet paper.
Still, any volume you can displace within the filter allows faster priming, and quicker oil pressure. That goes a long way towards protecting hydraulic lifters, and timing chains with tensioners that rely on oil pressure. The less time the engine can spend running without oil pressure, the better!
Mine is slanted when the filter is fitted and when you pour it in to full it then goes to halfway soaking into the paper filter then i fill again to 3/4 swill it around and then fit.
For decades i mainly did not fill it up and had no problems it just makes your oil light go off quicker but if you have fully synthetic in you are alright anyway.
You do not need to pre-fill an oil filter for fear of causing engine damage. When you start an engine and it's at idle, THERE IS NO LOAD!!! There is no pressure on the bearings because the engine is not working to move the vehicle. The crank, cam bearings, guides etc. are moving freely with the film of oil that is trapped between the surfaces.
The ONLY advantage to pre-filling is that you won't have to shut the engine down, wait a few minutes for the oil to settle, and then re-check the oil level in order to top it off in order to make up for the oil volume the filter holds.
All through school and many refresher classes after, It was always a good choice to pre fill the oil filter, there is a moment at start up where the empty filter is the cause of zero oil pressure, even with boundary residual oil , that moment of zero oil pressure could cause damage. So why not fill first before installation. Cheap insurance.
That’s the same mentality as if I took the oil cap off of the motor and introduced air to camshaft oil galleries.
We were taught to always fill the filter with oil prior to installing and to rub a lite oil onto the gasket on top of the filter canister,then to screw it o. carefully,by hand only,and not over tighten..then start motor check for leaks..having oil on the filter canister lessens the time it takes for the new oil to get into the system..then manufacturers start putting filters in awkward positions that dont allow you to do this..
Done it all my life. Will never stop doing so.
True. Many filters actually fill up when they are installed from the new oil
you mentioned always changing your oil on time and that's why you have made your engine last so long. well, I have an '03 sierra(5.3L) and I change the oil about once a year and i don't pre-fill the filter. (Mobil 1 and Lucas oil stabilizer). the truck has 381 thousand miles on original engine. starting to wonder just how important regular oil changes are.
On a vertically mounted filter,about 3/4 full is fine as it will get messy if you try full. On horizontally mounted filters,I crank the motor over a few seconds to prime the oil pump and fill the filter before connecting the coil and starting. '88 Toyota P/U,350,000 mi,never had an issue.
On my semi truck with 60 series Detroit I pre fill the filters, they hold over a gallon. The engine takes 11 gallons total.
Never prefilled, never had an issue. I would think that when you pour the new oil in that the top of the engine is lubed and makes its way down to the bearings by the time you start the engine.
I always punch a hole in the center of the old filter before I remove it. Drains nice and there is no mess down the side when unscrewing.
If you were to prefill an oil fill, you prefill from the outer holes, not the inner hole.
In fact on many oil filters, a prefill is not recommended straight from the manufacturer
The outside holes should be sealed shut. There's metal shavings inside new filters. Use air to blow it out.
You can't prefill from the outside rings. The the anti-flowback valve will stop it. While it takes very little pressure to overcome it, it seals well enough, that oil on the rim won't get past it. Air flows freely through the media, so you can easily get a 95% capacity fill through the center. that will still allow oil pressure to build more quickly, protecting timing chains with tensioners, and hydraulic lifters.
If you don't do it then your oil pump has to fill it up, that means your cranking your motor dry😳 (no oil) for sideways filters buy a filter with a anti drain back valve. Helps to eliminate dry starts. And for best engine protection Full synthetic Royal purple. Substitute 1 quart of oil for lucas heavy duty oil stabilizer and a K&N high flow filter.
Draining doesn't dry the engine totally.
I was taught to never pre-fill oil filters because the oil you get in an unopened bottle can be contaminated from poor quality control which can hurt your engine.
We are talking particles and dirt in microns. You can not see contamination of that size. A standard name brand OEM oil filter only filters 30 microns and above.
I get a FRAM premium Filter that filters 3 microns and above. Always buy premium filters and check it's filtering quality in microns.
There is also other factors, like shop contamination from the used funnel you cleaned and used.
You will probably be fine but not prefilled oil filters doesn't hurt the vehicle
My VW filter says fill before hand. Also the oil filter gives you oil pressure. There is an overflow valve in the filter the oil puches against it that is your oil pressure. the o ring on your filter also needs a smear of oil that way it will sit better on the filter housing
Do they pre-fill the oil filters at the assembly line???
Nope
I learned off an old timer mechanic. He always pre filled AND removed the sparks wires. Crank the car abit to charge up the oil pump with some oil. It puts a lot of strain on the starter but I drive old American cars like Jeep wranglers, Chevy silverados. They’re very easy to swap starters and cheap. All my vehicles are 350k+ miles never had to open the engine yet.
i used to disconnect the idle stop so the motor would only run about 200 rpm instead of 1500 .
When you turn the key to on your oil pump moves the oil it will fill it for you.
Wrong That noise you might hear is FUEL Pump !
@Robert Burley WRONG No Oil Pumping into Eng. / Filter ! ! Thats Electric fuel pump !
It is interesting that the filters are not prefilled when it is attached to the engine during the assembly process....
When a car is completed, a driver nails the gas while exiting the building to begin the short trip down the test track and the same for the brakes at the end before parking it on the ready line for shipment.
You would think the manufacturer knows best for they have warranty claims to avoid and a reputation to maintain.
I think as long as you don't load the engine on intial startup...keeping the filter dry is perfectly fine. It prevents a mess and you will never get all the oil off the chassis where it will eventually degrade the rubber bushings and motor mounts.
Today's oil has a capillary effect that will remain on the crucial components and provide lubrication for the short time needed to prime a new filter.
If you don't prefill it, the engine will not have oil pressure for 1-2 seconds after startup? Prefilling it will lubricate the mounting thread, so the filter might fall off?
I take the ignition and fuel pump fuse or breaker out and crank the engine for a minute or two to build up oil pressure. All my cars have the filter horizontal mounting
Yes, precharge your filter. It’s common sense to prevent damage to your engine!
These people responding must be total idiots, it’s really about getting oil pressure faster but you can’t explain common sense to people like u said😂 “ I don’t know what happened to my engine I changed my oil, oh maybe I should primed my filter”😂
Used to do this. Now it sucks because my new car uses a replacement cartridge.
@@CaptainCurt07 Agreed. I've noticed with mine with the OHCs that the chains rattle a LOT when starting with a dry filter...no way someone's going to tell me that THAT ain't doing any damage. When I prefill, there's hardly any chain rattle...like less than 1/2 second compared to 8-15 seconds on a dry filter.
What's the point? The pump will fill it in about one second.Must have been a slow day at 1 ROAD.
On a cold engine, it's a good idea to pre-fill the oil filter. On a warm or hot engine, it's also better to pre-fill it but it's not that critical.
Correct me if I'm wrong but for verticle oil filters, by the time you finish adding oil to the engine, won't the oil have seeped into the filter anyways?
NO !
Just a thought, instead of 'figuring out' where to jack up the car, surely you should consult the owner's manual..?
Why jack up the vehicle? I’ve always used ramps when changing my oil.
Because you can...
1funcar Incase your car sits wayyyy to low ?
If you don’t you’ll dry start it and do damage to your engine so always put oil in the filter and grease the O ring
Engine is not dry. Draining doesn't dry the engine.
I like when you say the answer in the beginning.
Pre filling oil filters isn't practical and isnt at all necessary the only time it's even remotely necessary it's for large-capacity diesel oil filters
Jim Piver what? Hope you're joking cause of course that makes no sense. Nobody take this guy seriously please, you will severely damage your vehicle.
gothicman03 hence the, hope you're joking, in case you missed it. Yea social interaction skills starts with sarcasm right? Probably the exact opposite. Maybe you should look up the term.
gothicman03 all that nonsense and still didn't say anything. Like I said, hope you're kidding clearly indicates the possibility of joking or your beloved sarcasm. By the way that type of behavior is learned and displayed by my 10 year old son so if that is what you deem as a "learned behavior". Congratulations youngster. I was intending my comment for someone that may unfortunately take him seriously. I definitely wasn't talking to your prickish ass. And a fyi the acronyms you use are usually used by women and not capable men, but I'm sure that is no coincidence. I am a grown man son and I'm sure I could spin wrenches around you on my worst day. And finally, go fuck yourself. No sarcasm.
gothicman03 maybe so, but you'll always be a prick. I was just looking out for the next man, I guess you can fault me for that if you wish but it only makes you seem more of a prick. If that makes you think I have a bad attitude that's your problem and is the least of them. My son knows his place, you'll find yours some day or someone may show you. From your femanistic demeanor I'm sure it will be the latter. Dont forget to thank your boyfriend sticking up for you. Now go do something productive.
7.3 oil filter
It depends. On the 6 cylinder Envoy/Trailblazer the oil filter is directly in the middle of a crossmember and is guaranteed to come down on your face at least once as you try to screw it on. Note: he didn't show installation of the filter.
Being as i have a Ford the filter is sideways but I usually put some in there and let the filter suck it up then it doesn’t spill out and primes immediately as the pleats are saturated already
it used to be a real pain doing the filter on my vulcan engine but i did learn how to prefill the filter with oil and not make too much mess
Do the filter first. That avoids a sudden messy splash on some drain pans. Also, I've pre-filled horizontal filters several times. Not a problem if you are carfull.
Yes i pre fill my filters. there is always a few seconds where the engine runs dry after an oil change, when the oil circuits are empty
What I find in my own experience of doing my own oil changes is that never to put the drain plug back until after you've taken the old oil filter out because of gravity and the laws of physics. When I leave the drain plug off and take the old oil filter off there has always been a little more oil that drains out I'm not sure if that's supposed to happen but it has happened with me if you want to get your engine real clean and drain out all the possible old dirty oil especially since you don't know what the previous owners have treated that vehicle like.
completely depends on the car. some you can and some you can't. I always crank the engine a few times before starting it after an oil change. what I would say is don't use cheap oil filters because the have less filter material in them.
Many Hi mileage GM's well over 200,000 miles. I always prefilled and used AC Delco filters. No issues.
High not hi..
@rjdeible Some people are just that special to have such problems..
If you add oil to the filter the day before you change your oil the media inside will absorb the oil. Then you can add a little maybe a quarter fill and replace the filter without any spills.
Correct me if I'm wrong but I do believe that most of the GM vehicles of that period typically don't have vertically mounted oil filters unless they're 4 wheel drive. I know that the 4 wheel drive S10s have a filter relocater because the 4 wheel drive components would otherwise be in the way.
They are good vehicles as long as you take care of them. Congrats on your purchase. Good choice on the oil and factory oil filter.
To reset the change oil light, all you got to do is pump the gas pedal 3 times with the car off, ignition on the accessories position.
the oil filter is a bypass circuit and consequently does not cause extra delay in oil delivery whether it is prefilled or not filled with oil.
Lee Engelsman then why is it in my truck with a oil pressure gauge I can clearly see it takes about 3 seconds longer to build up oil pressure with a fresh filter than any other day I start it?
@@rogersanchez9635 possibly your filter is inline and not bypass, but most engines are bypass. With no restriction due to the filter being empty oil will travel to there first causing a momentary lower pressure, however oil will always be present at pressure at the motor bearing journals and supply galleries when you start the engine, You will have noticed that the oil pressure light goes out very quickly so it not a significant problem
First iv heard of this ! When learning how to do car repairs etc never once has this been mentioned or suggested, so surely if it was that important I would of heard ? Iv always not pre filled so will continue to do so
The thing about priming the filter is you don't have to run the engine and have the oil pump fill the filter with oil to check the oil level when filling the engine , just fill to the line and your done !
Nothing like that feeling turning the key after inserting new oil and filter
Nerve racking but satisfying
It's a positive that your engine oil capacity is 7 qts. vs. the standard 5.5 or so. More oil will dissipate heat better, and stay cleaner all things equal. The old LandCruiser engines held up to 12 qts. and are legendary for their durability and reliability.
My Land Cruisers held 8 Quarts of oil in their 6-cylinder engines.
If you fill it 3/4 of the way it won't make a mess when you tighten it up. It will still be mainly full when you start it. I fill mine about 1/2 way full because it goes on at a steep angle but not sideways. More oil than that and it just pours back out and onto the ground.
Never a good idea to run an engine low on oil. Fill the filter.
Fill the filters..it's gonna take a few good seconds for oil to fill and pass a dry filter. Sometime you will hear squiking sound for a few seconds on first start after oil change... that's your pistons crying for oil,and I'm sure it's not a good thing .
Just watched a video where an oil specialist showed in a lab why you should definitely fill the filter. Mostly if you don't, there os a measurable delay in your engine building oil pressure and that is possibly causing extra wear on the rotating parts of your engine. There is an old wives tale that the oil from the bottle isn't clean, but they showed through lab testing that was a false idea. Oil fresh out of the bottle is as clean as it gets. It doesn't seem to be a massive issue, but does cause more wear if you don't fill the filter first.
If it’s horizontal pre soak the media, in other words give it a splash of oil rather than filling it all the way
My Nissan NV350 has a horizontal filter and i still fill it because the filter itself is absorbent and so i still do it
JUST DONT BE LAZY
Just pull the injectors fuse before cranking and get the oil system circulating then insert the fuse and fire up the engine
I always fill it as much as possible if I can.
One of my trucks oil filter goes in at 20° angle so I fill it about 2/3. If it’s vertical it’s getting filled. It’s a no-brainer
I looked up the differences between the 'E' version and the standard: the 'E' version has an anti-drainback valve, Increased efficiency and higher burst and collapse strength, a new Nylon core that provides better flow characteristics and improved collapse strength, a full cover baseplate that allows easy installation in blind applications, Duraguard media, ACDelco's trademarked synthetic cellulose-blended media that efficiently filters particles as small as 10 microns -- 1/3 the width of a human hair -- to ensure a clean supply of oil to engine components.
Fun fact: A filter that filters down to 25.4 microns, filters down to 1/1,000 of an inch. The clearances in an engine are barely double that. The film thickness of the oil can be pinched to less than that, under heavy loads, allowing particles that size to make contact between surfaces. Most filters filter down to ~30 microns, allowing particles bigger than that to flow through. A 10 micron filter is definitely worth the money!
in the car repair industry nothing is said about pre filling oil filters in the heavy duty industry both international and cummins says to pre fill oil filters but Cat does not thinking its cause most of there stuff is off road in the dirt so not to get contaminates in but i do pre fill my chevy as well! not sure what GM says about that?
Prefilling the oil filter is not necessary and can be harmful. If there are solid contaminants in the new oil [Hey, manufacturing defects happen] you are now putting them on the clean side of the filter, allowing them to go straight to potentially cause damage. If you put all of the oil directly in, the potential contaminants all get filtered.
Not on my wife’s 1995 VW Golf! I filled the filter with oil and the oil pressure didn’t come up unless I drained the oil in the filter, the oil pump filled it in and then the oil pressure went to normal!
Been changing oil going on 40 yrs now never added oil to filter ...current car 2005 mercury montego ( ford product ) 294,000 miles running strong !!
If you don't prefill it runs dry for a few seconds before the oil cycles
I agree with that! Full for horizontal and half for the horizontal one.
I’ve done prolly 300 oil changes & never pre filled the filter. No need to do that unless you like messes. Just put some oil on the gasket. But get a better filter. AC Delco’s are cheap. And never buy a Fram. Go with Wix, Purolator boss, K&N or Mobil 1. Amazon has them cheap.
Mike R The bad AC Delco ones are the “E” series filters. The PF-61 here still has metal end caps and a metal core while the E series have paper end caps and a plastic core
Mike R I always prefill, never made a mess.
There is nothing wrong with fram. If fram was subpar then the company wouldn't exist today due to claims.
Cut open a fram. If you feel good about that keeping your engine alive then go ahead. Not me. No metal ends, just cardboard. The filter element is as thin as tissue paper. The ring is rubber, not silicone. Etc. for the same amount of $ I’ll stick with one that is built with better parts & a thicker paper element.
i like the mobil 1 filters with mobil 1 oil . i probably prefill since it might help my crank bearings a bit and its easy to pour a tad of oil into a filter and let it sit .