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Questions tagged [valve-cover]

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Need/Want to Replace My Valve Cover & Plenum Gaskets

My car is a 2007 Toyota 4-Runner (Limited), 6-Cyl, 2WD with about 150K miles. Per subject title, I recently noticed some oil seepage from my passenger side valve cover - apparently this is a not-...
AA040371's user avatar
  • 455
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1 answer
75 views

Why are valve covers made of plastic if they warp?

I just brought my 2016 Honda CRV into the mechanic for an oil change and transmission fluid flush. The mechanic did some other checks and told me that my valve cover has warped and needs to be ...
Classified's user avatar
1 vote
1 answer
59 views

Engine Squeaks when turned off after replacing the valve cover gasket

I recently changed the valve cover gasket on my 2006 Elantra because it was leaking. There was no noise coming from the engine whatsoever before I made the repair. I did extensive research and it ...
Refat Ismail's user avatar
2 votes
1 answer
1k views

Subaru crosstrek, forester, impreza, outback 8 bolt valve cover tightening sequence

What is the proper torque sequence for a Subaru valve / rocker cover that has an 8 bolt pattern?
derelict's user avatar
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3 votes
0 answers
910 views

Brand new ColmeanCT200U-EX not wanting to stay running

I just purchased a brand new pre-assembled Coleman CT200U-EX mini bike. I'm a newbie with this. I've only ridden it about 3 hours or so at this point. This week its been acting up. Today while ...
Ango's user avatar
  • 31
0 votes
1 answer
93 views

Is cap coming off too easily?

Honda Civic coupe vti 1999. I bought this replacement cap and fitted it. Unlike the stock or other caps it doesn’t have a asteroid shape so it’s harder to screw down. Anycase I screwed it in but I ...
James Wilson's user avatar
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2 votes
2 answers
112 views

How can I rectify Replacement filler cap?

Civic coupe vti 1999. I have just received my replacement filler cap off eBay and it does fit! However I noticed some white stuff around a bit the outer part of the rubber seal and thought it was dirt....
James Wilson's user avatar
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0 votes
1 answer
140 views

Is there anything wrong with rocker cover hole?

Engine oil filler cap screws into this hole in the rocker cover. I noticed the threads in the hole have three colours red which is the paint, silver which is the bare metal and also another type of ...
James Wilson's user avatar
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1 vote
2 answers
3k views

Can Red High Temperature RTV be used for with a Valve Cover Gasket?

The valve cover gasket on my 1998 Ford Escort zx2 has failed. I have ordered a new gasket and plan on replacing it myself because it looks easy enough. A few videos I watched indicated that a sealant ...
Huckle's user avatar
  • 113
1 vote
2 answers
652 views

How to "shine a light into the valve cover" to look for sludge buildup?

A little background first. I noticed a small amount of yellow stuff in my oil filler cap last night. Knowing this is a sign of a blown head gasket I was getting ready to cry, but I did some research ...
Mr. Spock's user avatar
  • 361
1 vote
1 answer
142 views

Rough idle, loss of power and unstable RPM's with CEL

I have a auto BMW 330i 2010 UK; The car has not been serviced for almost 2 years (I will be getting it done this week. It was due service when I brought it, and then just never got round to it tbh). ...
Nouman's user avatar
  • 229
1 vote
1 answer
2k views

How do I remove a stuck valve cover?

On my 1994 Suzuki Katana 600, it is way overdue for valve adjustment. Unfortunately I'm unable to get the valve cover off. I have what appear to be all the bolts removed (there's 14 of them across 3 ...
Brian Knoblauch's user avatar
1 vote
0 answers
154 views

Can someone help to find the root cause of this oil leak?

I am trying to locate the root cause from where this engine is leaking oil so that I can buy all the right gaskets. What confuses me is that highest spot where the oil traces are visible is around ...
user2138912's user avatar
1 vote
0 answers
71 views

Oil Pressure Sensor

I recently just had my valve cover gasket replaced due to an oil leak. for some odd reason, the red oil light now lights up on my dashboard. I wasn't due for an oil change til the end of this month ...
marinermercury's user avatar
1 vote
1 answer
2k views

Will a previous valve cover leak effect what needs to be done while replacing spark plugs?

I had some leaking valve covers about two months ago, and was warned this meant I'd need to have some vaguely defined extra service done during the next tune-up or I'd risk ruining the new spark plugs....
Mirinth's user avatar
  • 113
2 votes
1 answer
3k views

MINI Cooper limp mode without a CEL

Yet more strangeness with my 2008 Cooper S. Limp mode comes on almost immediately after starting the car for the past few days. This displays a half-filled engine icon on the dash and greatly limits ...
Spivonious's user avatar
1 vote
1 answer
74 views

Optra5 (Reno) bolt size on valve cover

I lost the 2 bolt on the cover that hide the spark plugs wires. I live in Canada and no store knows the size. Does anyone know? And can I drive without this cap? Thank you 2004 Chevrolet Optra5 (...
Bradford1138's user avatar
6 votes
3 answers
36k views

Should a sealant be used, or not, when replacing a molded rubber valve cover gasket?

I did search for this, and there are some oblique references to the sealant, but the full answer has come up that I can find. The car is a 1998 Toyota Camry-XLE, 6 cylinder (1MZ-FE) engine with about ...
cdunn's user avatar
  • 9,296
2 votes
2 answers
7k views

Is oil on the manifold dangerous or will it just burn off?

I have a 1990 Econoline 250, it has a little leak in the valve cover gasket, it sits during the winter and the gasket contracts which makes it pretty bad the first time it starts up. After that not so ...
user379468's user avatar
2 votes
1 answer
8k views

Positive crankcase pressure in Astra H 2008 Z14XEP

I've been suspecting an issue with the PCV system in my Opel Astra H 2008 with a Z14XEP petrol engine. It blew both the oil pressure switch and (probably, have yet to investigate) the front crankcase ...
Ives's user avatar
  • 700
3 votes
1 answer
2k views

Can I replace just one valve cover gasket?

I have an 04 Mazda 3 liter in which the front valve cover is leaking oil. I know I'm supposed to replace both gaskets at once, but the back one is pretty hard to get to. This van has pretty high miles ...
Bart's user avatar
  • 31
3 votes
1 answer
183 views

Azera Valve Cover Gaskets

I changed the oil in our '08 Hyundai Azera Limited (3.8L V6 - 93k miles) yesterday. I looked around at the engine while I had the cover off and realized the valve cover gaskets are seeping quite a bit....
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes
2 answers
521 views

What will happen if a small nut is lost under the valve cover?

I have a 2004 Mitsubishi Lancer with 270k+ miles. It has so much wrong with it, that I can't tell new symptoms from worsening old symptoms. BUT! I noticed that the metal bar that holds my plastic oil ...
TecBrat's user avatar
  • 371
2 votes
0 answers
1k views

Suddenly have oil leaks in lots of different places

06 Solstice 2.4, engine rebuilt about 7k-10k miles ago. I noticed some oil on the side and bottom of the oil pan. After poking around some more, I found evidence of leaks at: Where the turbo oil ...
3Dave's user avatar
  • 3,159
4 votes
0 answers
135 views

Other Things to replace on my van while doing the valve cover gasket [closed]

Was going to replace the valve cover gasket on my 1989 Econoline with 67k mile. it's a bit of a pain to get in there, is there anything else I should be looking at, or replacing while I'm in there?
user379468's user avatar
8 votes
3 answers
9k views

Preventing debris from falling in engine while changing valve cover gasket

I am about to change the valve cover gasket on a 2002 Ford Focus SE Wagon with the DOHC Zetec engine. I have never done this kind of thing before, and although it seems simple, I am concerned after ...
J. Taylor's user avatar
  • 433
6 votes
2 answers
5k views

Oil leaking into spark plug well despite new gaskets -- is RTV a solution?

I replaced my valve cover gasket and the spark plug well sealer gaskets on my 2004 Mitsubishi Lancer recently because of an oil leak. The previous owner (or his mechanic) had over-tightened the bolts ...
somerandomdude's user avatar
5 votes
1 answer
2k views

Rubber gasket maker on rocker cover

After recently taking my car to have a new rocker cover gasket fitted as it was badly leaking I noticed the guy who did it put a ton of gasket maker on the rocker cover when he sealed it, heavens ...
ceefax12's user avatar
  • 1,242
4 votes
4 answers
33k views

Do valve cover gaskets need to be replaced every time you reopen the valve cover?

About two weeks ago, I replaced my cork/rubber valve cover gaskets on my 84 2.8L V6 Ranger since the old ones were leaking pretty badly. I forgot to adjust the valves when I did the gaskets, and now I'...
Kevin Evans's user avatar
  • 1,186
3 votes
1 answer
7k views

Consequences of leaking valve covers

I took my valve covers off on my 2007 Tacoma V6, while digging deeper to look into a possible head gasket issue, and noticed that one of them had a nut missing that went on an upright flange threaded ...
amphibient's user avatar
  • 6,675
3 votes
1 answer
9k views

Can replacing valve cover affect engine performance?

I have seen some pictures of people replacing their OEM valve covers with something aftermarket, usually something painted. Considering that is only pretty much just a lid that goes over the topmost ...
amphibient's user avatar
  • 6,675
3 votes
3 answers
13k views

Can a Bad Valve Cover Gasket Cause Oil to be Burned?

I read here that a bad valve cover gasket can cause low engine pressure which will cause oil to be burnt. Is this true? Exactly how would that work?
Robert S. Barnes's user avatar
3 votes
1 answer
4k views

Burning smell when getting out of the car

I sense a burning smell when getting out of the car (Nissan Maxima 02 V6). I am pretty sure it is an oil leak from somewhere based on the odor, but not sure where else to look for. The smell was ...
Viriato's user avatar
  • 243