Questions tagged [valve-cover]

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31 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 ...
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0answers
44 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 ...
1
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1answer
277 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....
1
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1answer
451 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 ...
1
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1answer
42 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 (...
6
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3answers
8k 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 ...
2
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2answers
2k 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 ...
2
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1answer
4k 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 ...
3
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1answer
679 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 ...
3
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1answer
101 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....
4
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1answer
102 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 ...
2
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0answers
601 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 ...
4
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0answers
121 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?
8
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3answers
4k 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 ...
6
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2answers
2k 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 ...
5
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1answer
676 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 ...
4
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4answers
13k 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'...
3
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1answer
5k 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 ...
3
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1answer
5k 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 ...
3
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3answers
8k 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?
3
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1answer
3k 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 ...