Blowby What is normal and what is not?
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- Опубликовано: 2 июн 2020
- in this video i will show you what is normal and what is not, and more importantly, we need to first understand what exactly is blowby
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4d56, d4d engine
check out my homemade water cooled compressor made from a junk airbrake pump. Tell me what you think. ruclips.net/video/tNmAcYsSxIw/видео.html
If smoke comes out is that excessive blow by as well?
Man this is the best way to explain it. And English isn't even your first language. Well done my friend. You're an amazing teacher.
This is one of the best explanations I have ever seen. Thank you
thank you...
I second this.
@@MrDIYer wouldn't a compression test be the ultimate decider whether you have excessive blowby?
I like your presentation sir. God bless you. And please be saved by the Lord Jesus Christ before its too late! John 3:16 For God so loved the world, that He gave His only begotten Son, that whosoever believes in him shall not perish but have everlasting life. End. Glory to God amen 🙏
@@panchocapistrano6956 Sorry to revive a 1 year old post. But no, a compression tester will only tell you how much compression a cylinder is capable of producing. And sure, you can find a cylinder with low compression with a compression tester, but that will not tell you how much compression is being lost. The way to know how much is being lost is to use a cylinder leak down tester. Some compression lose is normal on all engines, but excessive can be an issue. That is why you use a leak down tester, to see if the cylinder is within specs.
I’ve been working on my cars for 3 decades .. this is the first time I understood a concept I thought I knew very well. I was wrong, it took a genius like you to explain it. This video is very underrated!!
The video guides us the indicators of engine and types of blowby. Very straigt forward.
That was one of the best videos on this subject THANK YOU
This video actually made a bulb come into my head "I get it"..it was so easy to follow and so carefully explained with the other examples given!!
Thanks so much for the education.
almosts eleven minutes ang video mo. In less than two (2) minutes, nagustuhan ko ang video mo. Brief, concise, on point. Magaling ka mag turo and mag explain. Maraming salamat sa inyo. We need the likes of you dito sa Pinas and on youtube. Mas madaming matutunan ang mga viewers sa pamara-an mo sa pag turo, explain, and present. Maraming Salamat, Sir! Isa na po akong bagong subscriber mo!
thank you po..
This is the best video about blowby I have had seen so far, it is very easy to understand the explanation. The others never mentioned that there are two(2) types of engine blowby.
I'm very glad that I found your channel.
Not a mechanic, instead I do DOT truck inspections. This topic came up and I had no idea what they were talking about. I now know more than I ever expected to know about blowby. Thank you.
All my doubts on blow-by has been cleared in a single video.
I didn't read the comments before watching this but now i see I'm not the only one saying this. This was probably the best explanation of anything car related I've ever seen. Thanks for the video!
Had my oil pan off and had to turn the crank and noticed what looks like carbon buildup on the underside of the pistons. As I turned the crank you could feel pressure buildup and start to leak out. The pressure was strong in each stroke. This is what led me to this page.
Finally, a clear explanation complete with checkpoints from someone who knows what he is talking about. Thank you.
3 years ago, but still very, very helpful. Thanks for the well elaborate information.
Excellent explanation. Most people don't understand this.
Thank you for taking all that time to make a video and explain things so well!
This is a properly maintained engine.
These videos are gold, not the best quality but more knowledge then any video I’ve ever watched on blow-by
The best video about blow by that I’ve ever seen. Liked and subscribed. Thank you!
Thumbs up ... i like the way how you explain it by by showing the actual engine parts ..and show some illustration ...well explained ..Thanks !!!
Best description ever. Very well done sir. Thank you.
Thank you!!!! This video did help me out a lot!! I’ll be performing the test today.
Great video @Mr. DIYer, your explanation and demonstrations were way better than some instructors.
Superb video ! very technical, yet explained in a easygoing way ! thank you for this !
Excellent explanation about blowby. Very much useful to field technicians even who do not have blowby tool
Thank u for taking the time to educate on this problem. Saved me alot of time money
this guy is genius.. I hope to see videos with him in motorcycle DIYS👌👍
I subscribed because of this video. You are very thorough and made an excellent video, which moved in good order, teaching us step by step. Thank you!
I knew what blow by was from prior encounters but you explained it with detail and actual knowledge to back it up with pictures/videos. EVERYONE who is buying a used diesel or has one they are keeping forever should watch this. Great trick with the white paper!
Great video, well explained. Not sure about the garden hose used as the rocker cover breather pipe though
For an old generation engine,like the one you have in this video,if it is in good condition like yours. You won't see gasses coming out of breather, or oil cap. But from newer gen engine,from 2010 onwards, especially in Volkswagen/Audi group, you will see a lot of blowby even from a new car. Because they are using low tensions rings,on the piston.
This true of duramax engines? I looked at a truck for my business and could see a small amount of gasses in the right light coming out of the oil fill cap. Some oil film in the engine bay
It’s an 05
Mine skoda emits white smoke from oil dipstick,when idle start,upon acceleration,no smoke ,only little oil comes out of dipstick, pls suggest Sir ,is it ok or not
Best explanation on basis of engine theory with excellent demo 👌
Thanks, it's well explained, I just happened to have the same engine, but mind have excessive blow by.
I'm glad I saw this video. Saved me from buying a headache. Thank You You explained it very well.
You explain this perfectly. Very well done.
The best explanation I've seen! Thank you.
Thank you so much I’m actually driving 8hrs to look at a freightliner and this video made me so much more comfortable to buy or not to buy !!!!! 👍💯
Absolutely I learned a lot from this. Thank you so much more power to you
Wow. Thank you for this detailed explanation!
Wish I had a teacher like you
Best explanation of this article and very helpful.
D best.!!.. i did check on those points you mentioned and i have an overhaul planned already. Correct analysis . very accurate diagnosis
You explained it very well, thank you.
galing ser. finallly, someone who knows what he is talking about explaining the subject thoroughly. well made video. thanks
Thank you for taking the time to educate many people about the operation of diesel engines. It is very important for your viewers to remember to do all necessary scheduled maintenance in order to prevent any premature failure or wear of their diesel engine. 👏
This guy really knows his stuff.👍👍👍
Great video , thanks for your explanation and experience 😊
Great info. I drive junkers back & forth to work because I don't like risking deer assaults & metal particulates on my clean rides. Keeping junkers in shape is a chore, but I enjoy the knowledge & it gives me something to do.
Excellent video thanks. My transit mk7 is chuffing smoke from the filler, apparently this is fairly normal for them, I’ll try the paper test now and include the vent and oil check pipes
Sir galing mo po magexplain.. Mabuhay ka po..
Best explanation on blowby gas! Thank you friend for this video and makes sense to test with a compression test tool. I have one at home but I don't know why I did not think about using it. I'll check out my tiny Toyota Passo this weekend as I see some smoke (or water vapor?) coming from the oil fill cap and it burns a quart of oil every 3000km, many blessings from the tiny islands of Palau!
Another great well explained video. Good job 👏
Best and honest explanation!!!
Perfect, I watched the entire video. That's pretty amazing👍🏁
Excellent description. Many thanks.
Galing mo sir. Very knowlegeable and super informative. Keep it up
Hi sir, i enjoyed watching all of your videos. Sana meron din kayo video ng 4D56 Turbo Intercooler (montero sports) tips
I gotta butt in cause this video sent me down a rabbit hole for no reason. I was a trained marine tech. Most marine applications are hi performance engines as they constantly revving over 4000 rpm’s for extended periods of time. I was caught off guard by my 2010 Honda fit having tons of positive pressure coming from the oil cap. In a marine application this would be a red flag. But on newer economy vehicles, IT IS NOT AN ISSUE. One way engineers obtain higher mpg is by using low tension piston rings. Any 4 cyl car made in the last 15 years have serious wear and tear according to this video. But they do not. They are designed to allow that much pressure in the valve cover. This video is incorrect and dammit, made me waste 2 hours checking my pcv and compression to realize it. Larger engines with high tension piston rings should not have this trait, but a 4 cyl that claims to get 30+ mpg will absolutely have this trait. Hopefully you guys see this comment, cheers!
Thank you sir,,,,,,very good explanations.clear and direct to the point.
Salamat Sir! Madaling maintindihan... More power.
well explained, thank you. so easy to understand
Very informative . Thanks i hope we will get more videos like this
Great informational video. 6.6 duramax light smoke from crankcase n every so often it is excessive I think what you said by your engine is on it's way out 🙉 I hope not but well see. Thanks
RL
Very excellent video, well put together! . Thank you.
Very well explained Sir...thank you for sharing..
thank you for providing such an informative video!
Yeah, dang man. Great explanation, but I think it just confirmed my suspicions that my engine is worn out. Thanks for posting, time to decide: keep and repair, or sell as is?
Thanks for the video!! I have porsche cayman 987, I have a white smoke coming from a hose under the engine, it smells like oil burnt. The engine performance is normal but I know the white smoke is not normal as people try to warn me at every stop, I really don't what's happening
excellent video! you give me confidence in assessment.
new subscriber here boss.thanks for the crystal clear explanation.you are a great teacher boss!!!
Very interesting, informative and easily understood, thanks
Very informative thank you!
if i detect excessive blowby in my car, will thicker oil or oil additives help?
thanks
Filipino engineer... Mabuhay..galing mo idol
Hello from Australia🇦🇺. This was a great video. Thankyou. I subscribbed and look forward to more diesel related content. 👍
Hi Sir. Thank you for your very informative video. I hope i can show to my video which i really confuse whether my engine is blowby or not! Again Sir thank you for this video.
Ang galing. Salamat po dami ko natutunan
i like your tutorial video. much better than going to a school to learn this. i just got this training for free. thank you. it would have been nicer if you did us a comparison of excessive blow by vs regular blow buy vs leak down test. but nice vid though.
thanks for this video, I learned a lot. keep it up. by the way I have the same engine 4D56 for my L200 and now it's an excessive blowby, there's smoke out in a dipstick hole with a lot of oil out. Do I need to overhaul now my engine? pls advise. thank you sir. God bless
CLEARLY explained... Thank You Sir...
excellent footage
Excellent explanation. Thank you.
@mr. Diyer. You are awesome. Best explanation in RUclips
Thank you for this wonderful video. I don't know much but you've explained it perfectly. I'm afraid it taught me my engine might be on it's way out. Tough to swallow after I just had the head gasket replaced last year and the trans rebuilt a few months ago.
Be sure to perfom compression test first
@@MrDIYer thank you for your response. I appreciate it.
-- Well explained. I was a little surprised C4 was the only good one before rebuild. Ran a lot of Jeeps with the I-6, 4.0L and that cylinder the closest to the firewall was always the hottest. Hey thumbs up. And had a chuckle with the garden hose. Hell, if it works :)
Lol thank you
went to look at a diesel SUV yesterday, took the oil cap off and it just about blew my hat off. so glad i checked to see if that was normal or not.
Thank you for the amazing explanation !
Excellent video, thanks
Great explanation, just swapped an engine on a 2000 Corolla and it eats oil like a Eastern European mayonnaise. Oil cap floats when you take it off while engine is running. Thinking about rebuilding it because these are so old and have so many miles on them
Thank you for this detailed information...
Your channel is helpful Boss, I'm working on the same engine and on the breather hose from the tappet cover to the intake manifold they is more smoke released, what could be the cause
How about cleaning your pcv valve or replacing when old that could help a lot and installing oil catch can
You should see some of VW group gasoline engine PCV systems, GM also is moving to a regulator style system with a diaphragm valve ( thats failure prone, btw)
All your videos are great but this one made me understand why my 201 is weak and why oil forces from the cap. I guess I have to look for an engine. Thanks. 👍👍
Conduct a compression and leak test first
Really really really good video and explanation. Like so much.
Mine's been like every since it was brand new but it gets great gas mileage and the compression test is fine!
Thanks for the informative video sir it will help a lot.
Thanks for your very good content chanel. I have just one question. Why some engine like 4d56 did common rail dont have pcv valve its have just hose like in this video ? Thanks a lot
very good and informing video thank you very much
best explanation ever.. thank you sir