2001 park ave using coolant
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True Car Nut
Joined: Jun 2011
Posts: 3,481
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From: VA
Hello again, I replaced the lower and upper gaskets today. Just like you guys said the lower gaskets were blown out at the coolant passage seal on both banks,used all GM oem parts cause I have a friend that works in parts at a Chevy store. Also changed the oil and cleaned out the throttle body. Did the job at work today on my day off,much easier with a lift and all my tools. Took about 3.5 hours to complete,it was much easier than resealiling a Nissan lower intake! Thank you guys for all your help and advice,much appreciated!
You did not put the same style plastic/nylon framed gasket back on there did you?
If so I suggest you tear it back down and replace it with the aluminum framed Fel-PRO or AC Delco LIM Gasket.
And if you used the same style plastic coolant elbow, when you replace the LIM Gasket I'd use the aluminum coolant elbow.
I have heard of the plastic LIM Gaskets failing on some people as low as 30-40k miles, mine made it to 133k though.
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Junior Member
Posts like a Ricer Type-R
Joined: Nov 2013
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gm updated the gaskets to metal backed years ago my parts friend told me,i did use the aluminum elbows instead of the plastic. The gm kit did not have as much in it as the felpro kit but was half the cost,I have the rtv and misc items available to me because I work in a dealership. the job went well and im sure will be a long lasting repair
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