Briggs Intek Head Gasket Symptoms
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- Опубликовано: 15 окт 2024
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This video I show the symptoms that's involved with a Briggs single cylinder Intek engine that has a oil consumption problem brought on by a bad head gasket. you may also notice that there could be some oil leaking cost by the same problem of the headgasket pressurizing the oil crankcase causing weaker seals to allow oil to come out. however, the most prevalent symptom is burning oil roughly 4 to 8 ounces in 45 minutes of runtime at full throttle. I hope this helps out and good luck
Thank you Briggs & Stratton for incorporating planned obsolescence into the design of these engines. Last time we had this gasket replaced it cost several hundred dollars. I will do it myself this time, but am a little weary of adjusting the lifters. Seems like these gaskets only last about five years. Wonderful design!
My 21 hp just started this a week ago, right after the PM. Thought it was something I did. Briggs should have issued a recall for a design flaw. Anyhow, is the fix using the same quality gasket they used during assembly? Is there a beefier gasket on the market? Judging by bolt placement, there isn't enough clamping force in the problematic area. It's going to blow the gasket again. Kudos on the video. Very nice and informative.
Great video! I talked to a small engine shop today. Husky briggs and stratton intek mower is only 3 years old. He told me I needed new motor because of rings. Glad I watched your video. ? Can I continue to use my mower until i have the time to replace the head gasket as long as i watch the oil level.
Actually the excessive crankcase pressure is pushing oil out through the crankcase ventilation tube into the air intake then through carburetor into the intake manifold. Notice how the carburetor is an oily mess. The purpose of the crankcase ventilation system is to relieve crankcase pressure. The oil is not going past the rings from the bottom side of piston. If engine had that much pressure on bottom side of rings it would be pushing piston from both sides and couldnt run.
Although that can happen that is not what the case was here. The carburetor is a Dusty mess because of the dusty mowing conditions in which it was exposed to. There is no oil in or out of the carburetor. The reason that your theory is incorrect when the mower shown in the video is because nothing in which you are referring to would explain the missing material on the head gasket. The pressure was not being pushed past the Rings and into the crankcase. The pressure was being pushed from the combustion side of the Piston surface into the crankcase via the leaking head gasket.
Yep, same thing here, planned obsolescence... A Stiga park mower that we use with a snow blower attachment during the winter. 3rd gasket change coimng up, overpressure in the crankcase, dip stick tube spewing oil everywhere. Other typical symptoms: smoky exhaust, hard to start and a sort of muffled knocking sound from the engine. The same problem spot as shown here where the head gasket clamping force is weak.
Was worked hard the last time it was used (heavy snowfall few weeks back) and I was thinking the gasket might let go, today the symptoms. what a piece of ****.
Yep mowing along on my Cub Cadet LT1018 18.5 hp new (oil change) smoke started, stopped left engine running Had oil (a lot of oil) coming out of a small screened hole in fuel pump removed oil filler cap (with engine running) pow oil spray about, drove 25 yards to garage shut iy down Have gas in my brand new oil and filter pulled head off yep blown it the weak point by the pushrods. Its an older 2004.w/298 hrs. Hope Briggs redesigned this head and/or the friken gasket!
I was given a snapper riding mower with a 500cc Briggs . Same scenario beautiful well kept started smoking , guy told his underling to get rid of it. The feet places aren't even scuffed. I haven't had a had to diagnose it yet. Any words of wisdom would be greatly appreciated ✌️😎
I would like to say that doing a leak down test is helpful to make sure its not valves or rings.
I do not recommend buying the head gasket from Amazon. I did and they ship it in an envelope and it got folded over. There are some aftermarket head gaskets that are thicker than OEM. Not sure if they work better. I like to use Permatex copper spray on the head gasket.
I have just fixed my Husqvarna lawn tractor for the same problem. Mine had an additional symptom of blowing oil out the the fuel pump which use crankcase pressure.
Thank you so very much for your video. I was wondering last time I was mowing I had to get new gas. I started my mower it just started smoking suddenly. I was mowing earlier and it was fine. I did check the oil levels it had good oil still in it. It just started smoking. Can that be blown gasket or can it be something else? Thank you
Great video. Well explained. I have EXACT same symptoms with my Intek. Smoking at start up, not too much while riding. Then after sitting, a puddle under engine (oil seepage out exhaust). Hoping it's the head gasket and not rings as I've never had to top off oil before. Valvetrain replaced this summer
This was the case with my 18hp Briggs. Started all of a sudden blowing smoke when riding. Especially under load. Blown head gasket. Oil was making its way into the cylinder head and had baked on top of it and the valves.
My 17 horse intek just started blowing oil out of the dipstick tube all over the engine . After changing the oil and filter, the engine still runs perfect but doing the same thing, notice the oil was very foamy. The blown head gasket makes sense. will pick one up tomorrow and get going again.
This is all very interesting stuff, great info on how to diagnose this kind of failure. It’s great to hear an expert talk about this type of situation.
Great shows for learning… ok so I have the twin Intec OHV 22 hp Craftsman Pro series from 2010 and this spring it started dripping oil from the R cylinder area, with oil dripping from the inner side of the head gasket area onto the outer exhaust canister smoking... I just changed the head gasket in accordance with proper maint. and now I mowed today and same symptoms ... OH BTW I took the dipstick out and thought I might try to add some oil as its been dripping and smoking... it was running... it sprayed so much oil mist under great pressure and I closed it quick! makes me think of the blow by mentioned here? Any helpful thoughts are welcome. Guess I need to reinspect that old head gasket again. Or is it a valve guide moved, I heard of that too? Thx in advance
I had a little smoke coming up from the top of motor and smoke in the dipstick tube after running and getting motor hot. took heads off and I can't see any damage to the gasket?? replaced crankcase gasket already because it was leaking, there was definite damage to that gasket. Piston is not loose, so I guess piston rings are, O.K.?? definitely a lot of crust on the top of pistons. Is there anything else that causes smoke in dipstick tube??
Wow, I had the same problem as described and started tearing it apart only to discover that the gasket was the culprit. Seems like a dumb design as the head bolts arent 360 (circular) and are more like a "C" pattern, NO WONDER!
20' LBS of torque for the head bolts seems a little low but I'll adhere to it I guess...
My lower pushrod (intake) was aluminum and the upper one (exhaust) was steel. Wonder why they chose to use two different types of materials for the pushrods in these engines? I might add that these things are EXTREMELY loud too! Almost gotta wear double hearing protection!
Thanks for the tip! even after doing this after 8 years its nice to see "other ways" Setting up a leak down test can be a PITA and can give strewed results if the pressure by passes into crankcase.
😁✔
why do they always fail where the push rod goes? i changes mine on my snowblower and i suspect that it blew again... another symptom that you didn't mentioned is to have exhaust fumes coming from the crankcase/dipstick. i smelled my dipstick and it smelled like burned gasoline, thats when i knew i had a problem
I understand these head gaskets are notorius for going bad in pretty much the same area on different small engines. Does the side of the gasket that typically goes bad the side that faces up towards the head or down towards the block. I thought mine was bad but the side facing up towards head looked ok or at least no obvious signs of breach. Thoughts?
Thanks for the video, I had the same exact problem, same damage to the head gasket, same exact engine on a DYT 4000 Craftsman. After the repair I noticed the dipstick jumped around while running when nor screwed into place, I can’t remember if that was the way it was before or not. Is that normal? The repair wen well & no more smoke.
Well, there's pressure in the crankcase that will cause the dipstick to push out. Could be the reason that it didn't before was because the head gasket was allowing the crankcase pressure to be released at that point.
Finally after about 30 videos someone explaining
something and not just cleaning the filter or draining excess oil.
Thanks for the great video
Great video! My Intek 540cc is not only burning oil but continually leaks oil on the side where the oil filter is located. I replaced the filter to make sure there wasn't a faulty gasket - replaced with new filter but still have issues with oil leak - it appears oil is being sprayed under the engine compartment cover as well. No power issues, mower starts right up. Engine is on a Toro zero turn mower. Is this still a head gasket problem?
Find the highest point in which the leaking oil can be traced. If the mowers under hood looks like oil is being blown everywhere there is a good chance that is exactly what's happening and you have a top PTO seal that is out
@@Foxboss9 its hard to tell where the leak is. The engine is not that old - I replaced the original engine with this one about four years ago. On that engine where is the PTO seal located and how difficult is it to install? I sure appreciate your help!
i like his attitude ,, no cussing .. or f this or f that ,, good common sense ,,,jacks mower repair ,, concord nc 28027
Got Briggs gasket set 794152 Two head gaskets one matches mine the "tab" on mine is down (@ 6 o clock) the other is @ 7 - 8 o clock, why different model or is the 7 -8 o clock a new and improved, super fantastic, blow proof head gasket??????
Great video. I have a briggs and strat that had a blown head gasket. Changed the gasket and adjusted valves. New spark plug. Did oil change while I was at it. Fires right up now but when warmed up it starts sputtering. Then when I turn the blades on oil starts dripping out of fuel pump screen!?? I am ordering new fuel pump also. Did the gasket csuse my pump to go out too or just coincidence? Also can oil get in carburetor and gum it up? Was going to change it with a new one if so. The carb that's on it now seems to need a special wrench to get bowl off?
If the head gasket blows it could pressure rice and put oil past the diaphragm in your fuel pump but that seems to be relatively rare. You could also have gotten blowback into the carburetor but you'll have to get the fuel bowl off to clean that out to know for sure.
@@Foxboss9thanks for the replie! Gonna check the carb and maybe replace fuel pump while at it. I'm getting really frustrated after changing the head gasket and still having issues. Is there anything else to check after a blown headgasket besides, spark plug, oil, and gasket replacement obviously? Typical things that could be wrong because of the blown. Head gasket? I'm starting to think it blew again with only one hr. tops on the newly installed gasket. Thanks again for the help!
@@Foxboss9 checked the head gasket again and it blew in same spot! Replaced again along with fuel pump, fuel filter and brand new carb. Now it is really really loud and bogs under load. It's almost like something is still building back pressure?? It is really really loud not normal. Also hunts and seems to be building fuel up then popping or backfiring. Small puffs of white steam like smoke come out of blower when popping noises happen. I have video of it look on my channel. I need help. Starting to think head is warped and this mower is destined for the scrap yard.
Worse when starts to warm up. Almost sounds normal under low to mid idle. Weird the blower tube and all aroumd the carb has fuel misted all over it. Thats what make me think its somehow getting to much fuel. Also new spark plug (properly gapped) no oil or fuel, not wet at all! Seems to be running way to rich...
Not the the only symptom, another easier way to tell is if you undo the dip stick, if it looks like it’s going to jump out of the engine then the head gasket has gone.
Hey hope you answer this but!! What would a compression test look like if you had a blown head gasket? I just checked mine 110 and 60 😟
Straight to the point and very helpful. I thank you sir!
I have iol leaking from the dip stick gasket. Could that be a sign of a blown head gasket also?
As far as I understand this problem has existed for over 10 years on Intek engines. In Europe, I looked at the new B&S engines for Husqvarna lawn tractors. And I concluded that the design of the gasket has not changed since! Why for years not to solve this problem by changing the screw locations or another option???
Planned obsolescence. Henry Ford invented that idea
@@Foxboss9 Thanks for the reply and painful that it is true :( In general, it seems to be a good engine.
I just replaced mine today. And it’s still doing the same thing. Leaking oil
Thanks a lot! You totally nailed my B&S Intek OHV 20hp -- described exactly as mine was malfunctioning!
an ex gf bought one brand new 3 years ago . simplicity mf zero turn . the head gasket didn't even last 3 seasons before it started blowing blue smoke . this issues needs to be taken to court and a law**suit . its obviously a manufacture default defective product .
mine smokn too ordered a head gasket mines a single piston also i jus did my other one whch is a vtwin it is easy
Amazing! Unfortunate, for him and I, but thanks for the concise explanation. Only person who has explained it in a way I can fully understand. With limited knowledge on my end lol.
Outstanding video. To the point, clear and concise.
Hell, my Intek Series (V-Twin) smokes since the day I got it 15 years ago.
I just bought a used cub cadet and it has the Briggs 24HP ELS 725 OHV and the man I bought it off of is very very persistent about changing oil, filters, belts, etc. The oil that is in it is about as clear as water....for a 2004 it has been very well maintained, however when I got it home and mowed after the engine heated up I could smell a freshly burning oil smell. I took the good of and got intimate with her. lol 😝 I went over the whole engine in search of a leak or a spot that may have accumulated over time and the only thing I could find that looked like it could cause the smell was under the valve covers around the exhaust manifolds on both side there is charred on oil... that being said do you think it’s a safe bet that it’s the valve cover gaskets or head gasket ? Any advice would be greatly appreciated. I want to fix ASAP. Thanks 🙏
Not sure, could be both or one of the two. You just have to wipe clean everything and then run it until you smell that again in immediately shut off and look for the trail of oil remember you need to trace it as high as you can find it.
Foxboss9 that’s my plan! I wiped all oil and crud off today and tomorrow, I may power wash it first, then I’ll run it until she gets hot and let her run a little more, then check for smoke 💨 and oil. Thanks for the advice.
Terrible head bolt spacing design. Would using ARP, or similar, studs extend service life?
No...bad design
Could tou make an annealed copper head gasket ? I made some head gaskets out of some headgasket material that had a thin metal skin on both sides , It held up really good
I think this is what happened to my mower, also it’s blowing oil out of the dip stick hole when I take the dipstick out
Question?
I all ready change a head gasket, and went I star it works perfect, but after two wick I starter again smoke come out, and after one minute, the smoke stop.
What's problem had my lawn tractor you think?
Acuent Awib make sure carburetor float is closing needle in carburetor bowl..
I'm having a problem with my 7hp Briggs engine, it's on a Coleman Generator. It starts up first crank but it spurts and spits gas out from the carb. I have done pretty much everything that could be done with the Carb. replaced seat and needle, and Float. Put in new Spark Plug. Can you help me with this problem?
If it's spitting fuel out the carburetor while it's running then you have a problem with your intake valve. Either it needs to be adjusted or it needs to be reseated or it is sticking. All of those things take a little bit of skill. And most likely removing the intake valve.
My mower is doing the same but it only happens at idle. I will change the head gasket in the spring.
Is there a quick way to tell which V twin gasket is blown..I'm pretty sure my 24HP Intek has a blown head gasket but I can't tell which one..should the plugs show it?? Thanks great vids..
Not unless there is oil/combustion leaking externally.. Other than that you have to do a compression test with gauge..
Mine is blowing oil out the crankcase breather. Could this be same issue or just bad breather?
Those breathers are a very simple design, most likely other issues are happening, you'll have to pull the head off..
I have a question. I have the Intek 20HP Twin OHV on a John Deere L111. It's about 15 years old. Recently, I've noticed that it smokes quite a bit after I turn it off and it seems to run hot. I haven't been burning oil that I've noticed and I pulled the plug and it seems very dry and not fouled. Is there something else I can check to see if it is a head gasket or should I just start breaking the engine down and looking for what you've described above. Thanks in advance.
The only reason that it would smoke after you turn it off is because you're leaking something hot onto the exhaust. I would expect that it's probably oil leaking from maybe a valve cover but if you're noticing a slight loss in power it could be a head gasket starting to push out.
There's a chance also that it could be leaking from the sump gasket which requires the engine to be removed or maybe one of the PTO gaskets meaning the bottom seal or top seal on the crank.
Foxboss9 i broke the engine down (one cylinder anyway). Would love to send you a picture or two and see if you could give me an opinion. Rods are straight. Piston head has some darkening and one valve is very clean and the other is pretty carboned.
Please help me if you can? My mower was running fine but the next week I went out to mow grass the mower would barely turn over so I pulled the spark plug out then turned the motor over and a lot of gas blow out so I put the spark plug back in the motor started it but now it only runs for about 10 seconds or so then it dies so I went and put a new carburetor on it and still the same problem the fuel line to the carb is getting plenty of gas so now what should I do?
You need fuel, air and spark. Check air filter is not dirty, make sure spark is blue not yellow, then check carb.
Way hed gasket blowing?
Could you give me a link to one of those videos that give a step by step explanation on how to replace a head gasket? Thanks for the video!
This will give you the basic steps ruclips.net/video/gCU8qv2QpbU/видео.html
taryl did like 5 videos, they are very detailed and he shows everything
I have a zero turn mower with a Briggs and stratton engine that is using oil but not producing any extra smoke. Would you think that is the head gasket or another issue?
If you don't have leaks then it has to be burning it regardless if you can see smoke or not.
Another great vid, straight to the point. Thanks indeed.
turbotek 2014 thanks for the comment!!
Is smoke coming out when throttle up or down also a symprom of blown head gasket or might iy be the oil ring?
Unless you have a lot of hours on the engine or it has been run low on oil a considerable amount of time usually Rings aren't an issue.
I know its 4 years late, but throttling up and smoking is a valve guide and/or stem seal.
What if its blown pointing outside? And its not burning oil?
Im on a 24hp vtwin briggs and its making a loud noise, I thought it was exhaust gaskets blown, but I checked and installed new ones and that didnt stopped it from making that loud sound. I checked valves and set valve lash correctly.
Then I started the mower (zero turn Husqv Z254) and it kept making the same noise. I carefully listened where it was coming from, I only could identify it was from the left, upper cylinder but couldnt identify where exactly in this cylinder the noise was coming from.
When you start it, and the electric starter is turning the engine you can hear a bop bop bop and that made me suspect it could be the head gasket, and that it wasnt the connecting rod hitting. So now Im teariing it apart to see.
If it's that noisy you need to be taking it apart to see what's going on. There's no sense in guessing or having somebody else guest for you when you could definitely diagnose and find out exactly what's happening.
Thanks for answering!
Got it sorted: I took the head apart, valves were all gunky and getting stuck, that made pushrods get loose as soon as you crancked it causing the knocking sound.
At the time I was just nervous and looking for an answer because I was afraid to dissasemble and mess something up. Its an easy engine to repair, Im just a really anxious person to be honest.
Thanks again for taking the time to reply, what you said is absolutely right.
Im amazed at how smooth it would start and run on just one cylinder.
Wish I had seen this a couple months ago. Exactly this issue on my McCulloch mower
Thanks! This answers my questions, now to get up the nerve to start tearing the head off of my tractor! I wish you were in the area of Santa Fe, NM, there doesn't seem to be any small engine shops around here, bud add another sub to your followers.
can u tell me why oil is coming out of exhaust is that a bad head
Also, if the spark plug is fouled up -oily that's another sigh the oil is making it past the head gasket
I have a 6.75 briggs with a blown head gasket to the point where a fair amount of oil coming out the muffler. It will run, but blows a fair amount of oil out the muffler and of course smokes allot. With the head gasket blown, would that not make the compression low as well? I checked the compression before I checked the head gasket, and if I remember correctly it was around 80.
Douglas Bell blown headgaskets definitely would make compression lower if the gasket breach is around the cylinder however a gasket failure somewhere else on the head could allow crankcase pressure to be released along with oil... None the less the head gasket needs replaced..
Thanks for your response. Just wanted to be sure, as I didn't want to replace the piston and rings. That would cost about $80 and thats about all the mower is worth. At least the head gasket isn't too expensive. What did you mean by "however a gasket failure somewhere else on the head could allow crankcase pressure to be released along with oil"? The head gasket on the valve side was pretty much gone, like nothing there. So I think your explanation in your video explained exactly what is happening to my engine. Where crankcase pressure was created.
Douglas Bell basically what I was saying is it sounds like a head gasket is needed and that a compression check, although a good measure, don't always come up bad even when a head gasket has failed..
Will this make it hard to start with backfire through carb and gas in the oil in crank case????
that sounds like the electronic gas shut off valve is sticking open----if you have a lot of gas in the oil guarantee you that is the problem------try removing it from the bottom of the carb bowl and work the needle a bunch and clean it with solvent it should usually start performing normal again
I have this exact mower and it was running great and it suddenly stalled. Also, oil and gas were leaking onto the deck. It hasn't run since. Any experience with this ?
Look for the leak source... Could be a blown engine or just siezed up...
Now it will crank but won’t turn over at all even with starting fluid
I'm assuming this is my issue, mines a 15.5 and its blowing smoke out of the breather tube. I was thinking it was that but the smoke is very heavy and thick. Would you think it's my head gasket and do you by chance know if its the same gasket as your link?
different gasket.. best way to find out is to remove head..good luck!
Foxboss9 thanks for the reply, tore it apart and brought the old one into a shop. Got a new and just got done a few minutes ago. The gasket looked identical though.
aLpha Guns and gaming Awesome!
question on my craftsman lt1500 just put new push rods in it and it was working fine was cutting grass and i started loosing power and it shut down and wont start but still turns over what does that sound like a blowen head gasket . what do you think it is when i put push rods back in and set valves she started right up and used it about 3 times after that and worked good up until yesturday it stard action up like i said so let me know what you think it might be
check rocke arm nuts .. make sure lock nuts didn't come loose and let rocker ares get out of adjustment//
Will that also cause the exhaust pipe to turn red??
Possibly. Best to do a compression check.
If my spark plug is filled with sood, could This be an indication aswell, talking heavy Build up.
On that same engine what are causes the keeps it from obtaining high rpm even though the throttle butterfly is fully open.
firecaptbb are you asking about the governor?
Would it be the gasket if it smokes while it runs and really smokes when shut off?
Possibly,,, try to locate the leak source..
Foxboss9 ok thanks.
Good sir, will the head gasket also allow oil to come,out the carb?
Possibly..
Where is the link to order from
In the description
Mine on my 23 horse blew the sump gasket
Those are the exact symptoms mine is having.
THE CAUSE IS THE LITTLE O-RING SEALING ABOVE THE NEEDLE & SEAT WHERE THE PLASTIC SEALS TO THE BODY ON THAT CHEAP JUNK NIKKI CARBURETOR... Dont fix THAT and you'll do this over and over again. it leaks fuel into the cylinder and that fuel hydaulics when you start it and it blows the gasket. If it wasnt for leaking gas that motor would never blow that gasket. It doesnt have enough compression.
Ése motor puede trabajar orisontal.
Exact same thing happened on my 15.5 intek
Love your channel....you always take the time to explain and go into great detail....Thank you!
gospos1 You are WELCOME.. Thanks for watching..
an ex gf bought one brand new 3 years ago . simplicity mf zero turn . the head gasket didn't even last 3 seasons before it started blowing blue smoke . this issues needs to be taken to court and a law**suit . its obviously a manufacture default defective product
its also obvious that they know of this issue and still remain to sell these defective products . and the warranty hrs proves this without a doubt . the head gasket is known to fail after said amount of running hrs .
Thank you
Spot on .. Thank you
great tip!
😁👍
Thanks
Thanks a lot!!!!
Helpful !!
Think you.
👍
Thanks dude 👍
Shane LoughNeagh 👍😁
super
Great help. Had the same thing happen with a Kohler twin.
This confirms my diagnosis. Thanks.
Wrong, the pressure is made in the crankcase and it make is way to the carburetor by the blow by hose and then the engine burn the oil as it enter in the combustion chamber with the air/gaz. Those engine are craps, it is like they forget to put a head bolt exactly where the head gasket leak. Thank you made in china!!
and great vid
I have exact same tractor and I'm getting gasoline in my oil crankcase. When is far as to get a new carburetor and I've changed the head gasket. Still getting gas in crankcase. By chance any ideas?
Put a fuel shut off valve(like this one amzn.to/2ulpn49) between the carb and gas tank.. Make sure to shut it off after you are done using the mower ..