Going to change the exhaust gasket on my gt tomorrow, its the one at the front of the cat. Has anyone ever done this? Tips? Thanks
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08-16-2012
Going to change the exhaust gasket on my gt tomorrow, its the one at the front of the cat. Has anyone ever done this? Tips? Thanks
08-16-2012
So where the downpipe bolts to the rear manifold?
If so, its going to be a pain, well most of the time it is, the bolts may snap.
08-16-2012
Right at the front of the cat. My buddy told me about the bolts, I bought new ones already to switch them out.
)
08-16-2012
Front being where?
The front of the cat is welded on the pipe and has no gasket near it untill the flange where it bolts to the manifold.
The rear of the cat is very close to the rear catback flange where they is a gasket.
Here is a ZZP downpipe.
08-16-2012
the gasket thats ahead of the cat, closest to it. My buddy is a state cert mechanic and looked at it and showed me what to buy. Id take a pic but its too dark out
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08-17-2012
Those bolts snap on you guys? I've never had an issue with them snapping. A few stubborn ones, but never a snap.
08-17-2012
My godly like man powers are too much for the bolts and snap.
08-17-2012
Originally Posted by 99gtprix
Heat, lots of it. if no head PB Blast, lots of it.
08-17-2012
You guys..
I don't soak these bolts, don't heat them up (they are in exhaust anyhow) and never have much trouble. Maybe it's the angle etc you are going at them ?
08-17-2012
I never have an issue getting them off, but I am always on a lift, could be they are on the ground.
08-17-2012
I'm on the ground. Once had one on Bonne that didn't want to play nice. Bought 6 point box wrenches and used part of my jack handle as a rod then beat the piss out of it with the bigger hammer. Finally got it.
08-17-2012
I replaced my cat, from below, and was STUNNED when the 15 year old bolts spun right off with a 3/8" extension and 6 point socket. I was expecting to be down there with a grinder or torch - they came right off for me - no cheater bar or hammers etc.
Granted, I live in Denver which is very dry and does not use salt on the roads during the winter.
08-22-2012
I didnt feel like battling the bolts because im selling after winter, so I just smeared red RTV around it, will avoid me getting fix it tickets.
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08-23-2012
Because a smear of rubber outside something blowing pressure is going to help?
08-23-2012
That's kind of what Iw as going to say too - now it's going to be leaky and messy.
08-23-2012
i cant stop thinking hes talking about the cat to res gasket, not the dp to manifold. that would be closest to the cat.
and if thats the case, just buy 2 new nuts and bolts, try to unbolt them if they break who cares or if they strip the heads off cut the old ones off, the gasket costs 8 bucks and your done. bolts and nuts $1 at the hardware store. could be a $10 fix.....
09-02-2012
Well its been a week, been driving a lot every day and its still fine.
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