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Old 10-18-2010, 09:10 AM   #1
Subey03
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Member#: 159909
Join Date: Sep 2007
Chapter/Region: BAIC
Location: Arkansas Little rock..current
Vehicle:
2004 STI on AIR
PSM

Default o5 wrx valve cover gasket ... give me ur opnion

05 wrx 75k i recently replaced the valve cover due to it was leaking pretty bad...any ways after install 2 weeks later i smell oil and look sher enough the gasket is leaking again......i did everything u should do i cleaned both mating surfaces....got the old sealant off the front part of the gasket...and put a new bead on the area shown in the 2.0l manual........

so due you think while tightening the cover some oil could of got on the gasket " impregnated it" and after some driving heating cooling expanding of the gasket and metal.....the gasket just started to weep again...?

or could it be the 2 half moon hard plastic pieces on the side of the block..." cylinder head plugs"

any help would be appreciated...im gonna order a new gasket and the cylinder plugs and try and replace them one more time....


or im gonna have to bite the bullet and the dealership said they would have to pull the motor to do the cylinder head plugs


thx again...anything would help me out


also what is a good sealant to use...i have heard honda bond......and any three bond gasket sealant....?
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Last edited by Subey03; 10-18-2010 at 09:19 AM.
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Old 10-18-2010, 09:50 AM   #2
AliBenn
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1998 /2005 STunIcorn
Acadia Green RS-T

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honda bond is what i used last time

probally the half moon plugs are your culprit
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Old 10-18-2010, 10:14 AM   #3
lavid2002
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Join Date: Oct 2009
Location: southern NJ
Vehicle:
2005 PSM WRX
18.5lb. 93 oct, DP, UP

Default

I used the ultra grey liquid gasket.

Even though you are just supposed to use the rubber gasket on the valve covers with a dab on the corners I used it all along the whole gasket so I dont have problems like this :P

Dont go to the stealership, if its only coming from the head it can only be the valve cover bolt seals, the moon shaped pieces, or the valve gasket. Get some sealant and dig in when you have some time.
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Old 10-18-2010, 12:01 PM   #4
Subey03
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Member#: 159909
Join Date: Sep 2007
Chapter/Region: BAIC
Location: Arkansas Little rock..current
Vehicle:
2004 STI on AIR
PSM

Default

so does this sound right

i got new gasket new half moon hard plugs and

so step

1 remove clean all mating surfaces remove old hard half moon plugs

re sealant new plugs 360 all the way around insert to head...

2 new gasket tighten all hard ware

3 bead of honda bond all the way around bottom part of valve cover and head...so no leaks and will protect against dp heat

let sealants cure for 24 hour

then start up drive make sher no leaks?


sounds good?

also should i just use honda bond on the whole gasket a small bead all around......or would that not be a good idea?

p.s. those half moon hard things aka cylinder plugs can be removed w the engine in right?

Last edited by Subey03; 10-18-2010 at 12:24 PM.
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