Exhaust Manifold Gasket Leak '08 TLS
04-21-2015, 07:53 PM
#1
Exhaust Manifold Gasket Leak '08 TLS
Has anyone else have this problem? I replaced it the first time with the felpro gaskets myself and it was leaking again, so I took it to a shop thinking I did a bad job and it started leaking again..
Anyone have any clue to the cause of this?
Anyone have any clue to the cause of this?
04-22-2015, 07:19 PM
#2
Three Wheelin'
I assume you mean the pre-cats? Use OEM gaskets...and tighten the bolts per the order in the service manual, or if there isn't one, in a cross pattern, a little bit at a time per bolt to ensure a flat matting connection. Loosen the connection between the pre-cats and the J-pipe if needed.
Check your pre-cats to see if they're all plugged up..?
Check your pre-cats to see if they're all plugged up..?
Last edited by FamilyGuy; 04-22-2015 at 07:23 PM.
04-23-2015, 11:32 AM
#3
Hoonigan
Make sure everything is snug. I had a friend who did an O2 dump on his Evo and thought he had an exhaust leak, ended up that he didn't tighten the manifold all the way down. If that's not the cause, like FamilyGuy said, use all OE equipment. Those gaskets are actually manufactured for our cars.
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