How to Diagnose Bad Leaking Valve Cover Gasket 

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Ok I love how scientific his tone was when he said “And because Oil is so sticky, dirt will stick to it” 🤣 idk it just got me.

This is the video I was WANTING for ever!! I changed my oil and filter on my 2000 ford expedition 2 weeks ago and I checked today and it was LOW on oil. I screamed!! I add a quart and I see those kinds of marks on the engine too. I need to replace my valve cover gaskets!! Thank you SO MUCH!! You have saved my DAY!!!

Also remember some cars require silicone on sharp corners of the mating surface! Great vid :)

Just what I've been hoping to see more of from 1AAuto.... not just the usual helpful how to fix, but a very helpful discussion of knowing just why you might be needing to do this. Thank you. (and also for the useful comments and replies below)

@5:10, "and tighten all your bolts". This would be a good spot to add a disclaimer that these MUST be tightened to spec using a torque wrench according to manufacturer's guidelines.

Great video, thanks!

You are a lifesaver, thanks for sharing.

Your the man-chanic!! Seriously though I watch dozens of videos and they didn't answer half the questions I had!! I am a subscriber now...

Thankyou for every video you make and one favor can you make video how to replacement steerent rack and pinion please

Thank you this was a very simple and understandable video!

Thanks nice video// I will do mine this sunday looks very simple, I guess it is only follow step by step.

Good video 👍🇲🇽

Amazingly detailed im convinced i have a leak .. im getting random misfires on all cylinders clrsned egr calve and valve cover from cover worked well for 5 days but misfires came back.. anyeay i will replacing manifold and cover gaskets

Thank you so much that was very helpful.

Top notch, thanks for making this.

Very informative. Thanks. I understand what the mechanic will have to do to replace my valve cover gasket.

Thank you bro. Awesome video good work.

Excellent. Thanks so much.

Cool video

Very nice video.

Some gaskets have an up-side and a down-side. Look at the gasket that you are removing to be sure which way it goes.

Thankyou you just verified my problem. Was making my car misfire also abit of coolant I was loosing. I need to check my oil level aswell tho🥺

That looked easy thanx

Hey I appreciate that I was wondering if I had to drain the oil...

@1Aauto do you guys carry the cover gasket? I’m looking threw your website but can’t find it. I have an 06 civic

I'm doing this on my 2017 Ford Fiesta SE tomorrow, do I need to use a sealer? And will Dawn soapy water work instead of a degreaser?

Thank you man you nailed it

I change my oil frequently, so the oil is clean. But I can tell there's oil on top of the valve cover not necessarily seeping down

Should you clean the inside of valve cover?

I have a bad oil leak in my 06 jeep grand cherokee 3.7 on passenger side. It had overheated 4 weeks ago and been sitting. I replace the radiator and thermostat and starter because it was having problems starting and noticed oil leaking when I tried to start it. There is a knocking sound and had someone read it and got the code p0300 but then I noticed a large crack in my valve cover. Do you think the car is worth replacing

Could the leak have been caused by a warped cylinder head or block with no overheating?

Is there a video of how to change valve cover gaskets on 2014 chevy silverados?

Do you need a torque wrench to reassemble?

1;52 now i know what's it's called i got a big spot of oil on the exhaust manifold time for a new seal but is it safe to clean the manifold?

It’s oil all around mine and I’m so glad that was one of the symptoms. It’s black smoke coming from the engine and it seems to burn though my vents. Am I still on the right track anyone?

You could be a teacher man... Using right words ...so You explain A+

Try it on a Ford Duratec DOHC V-6. Can't even see Bank 1. Not simple by any stretch. But thanks for the info.

Will a valve cover gasket not sealing properly cause a obd2 code?

And tightening the hold down bolts to squeeze what looks like a still good gasket does what..?

Due to bad over head cam gasket ..engine overheat or not

will this cause heavy smoke from the pipe and engine

Good to hear this Toyota used the same metal as the engine unlike Mopar. They have iron blocks with aluminum heads. Makes no sense.

Any one know if a bad valve cover gasket can cause a whistling noise if it’s warped or something

After a tune up of a 10 Dodge Journey I have white thick smoke coming out my exhaust and no oil in engine what’s wrong

I noticed a burning smell lately checked under my hood and though it was already leaking very slow all around it, now I noticed it’s sputtering out at a seem onto the exhaust yikes

rocker cover gasket or just a leaking or loose oil cap

My 99 Cavalier engine code 4, 2.2 inline four-cylinder symptoms are P0300 (random misfire), spark plugs are carboned up, oil in spark plug holes, valve cover leaking oil, after long idle engine dies when stepping on gas. Upon restart lots of smoke comes out of exhaust. Reving engine clears up rough idle for a while then engine starts idling crappy and dies. Could it be a bad fuel pressure regulator or a just a bad valve cover gasket? Or a bad throttle body? Or a bad PCV valve. Car has 172,000 miles. My fear the most is a bad head gasket or cracked aluminum head. No visible loss of coolant observed. I will start out with the PCV valve and then replace the valve cover gasket. I will be checking for a blown diaphragm in the fuel pressure regulator. All this work might be for naught if the cylinder head is cracked. Ahhhhh I need the girl from Ipanema to help me fix my Cavalier. Long and slender she can reach in and get to the hard to get places.

You were doing well until you didn't mention the use of torque wrenches and cleaning of surfaces for installing new gasket. You will probably have people who just watch this video throwing it all together and having problems very early down the line.

My rav4 also has this ...... Butechanic said nope it's fine , sluggish acceleration , rpms drop, clunking in my front and exhaust rattling . Suv was taken to Houston and back and problems arose after 2 trips :( no one knows my issue for sure.

my cover gasket has been replaced 3 times and also the valve. it continues to leak oil onto the engine and causing smoke and burning smell. is there something terminally wrong if oil continues to leak?

What about rusted bolts? What do we do to get them loose without breaking?

Thats a very roomy bay, which toyota is this?

Mine keeps dripping onto my exhaust (98 Corolla) and evaporating so it looks like my engine is on fire when I finally stop or turn off my car. I hope to get it to a mechanic on Monday

Hallo sir my Chevrolet optra cover valve gasket start leaking too soon . Have to change every 4 months . Gasket + plugs + wires. How to fix it permanently

Can it also be that you need a PVC valve

I have oil in the bougies , what could it be?

I'm Steve I would love to add something maybe can help someone if I had known earlier I would have saved a few dollars before changing the gasket I had a problem with spark plug rings having oil I changed the gasket nothing changed I changed the pcv valve and the problem was solved

Toyota makes the most plastic beautiful cover of all.

What can make t4 oil coming out from valve cover opus?

If a mechanic is repairing a valve cover gasket shouldn't he also check the oil pressure sensor also?

That engine bay looks so easy to work in.

When you own a bmw so this takes more then 2 hours

in my car 1.5l petrol engine..iam getting white milky stuff in oil cap..i checked for any smoke or loss of coolants there is no sign its all in normal level..i checked pcv iam getting rattle sound and vacuum too..oil in the dipstick is also clean..can anyone suggest me solution for this white stuff in oil cap problem..

Why can’t I find a video with the noise the car makes when it needs one? I just wanna know if the sound I hear is related

What if its leaking from the back of it is that a different gasket in the back

man my 2008 grand vitara wont be easy to do i think i will just set it on fire

Oh i have to add something that he missed when using break cleaner on the engine cover all rubber "will make hoses swell and electrical things will fail

Can i use wd40 to clean the engine

Heat trapper 0:23

I replaced my Valve Cover Gaskets on my Tundra 5.7 and I now have a Check Engine light with a P0014 Code 😟

on a m35 it's diffidently not simple

Man just threw dirt right into the engine

👍

U didn't shaving the head wen u take off the gasket