guys, advice needed..upper manifold or gasket blown
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guys, thanks for all your suggestions...the car goes in the shop in the morning...
I am looking up the repair from 2002 and if the lower gaskets were not done I will do them now too....also, I picked up the Dorman part since its only around $90 more than the dealer gasket kit for the upper, so it seemed a no-brainer. You know it would be nice to know your engine is not going to self-destruct after in 2-3 yrs! I may have the dealer put in a 180 tstat too. I will keep my fingers crossed that all goes well and I will keep you guys posted tomorrow night when I pick her up!
I am looking up the repair from 2002 and if the lower gaskets were not done I will do them now too....also, I picked up the Dorman part since its only around $90 more than the dealer gasket kit for the upper, so it seemed a no-brainer. You know it would be nice to know your engine is not going to self-destruct after in 2-3 yrs! I may have the dealer put in a 180 tstat too. I will keep my fingers crossed that all goes well and I will keep you guys posted tomorrow night when I pick her up!
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From: Edmonton, AB Canada
Originally Posted by srgetz
guys, thanks for all your suggestions...the car goes in the shop in the morning...
I am looking up the repair from 2002 and if the lower gaskets were not done I will do them now too....also, I picked up the Dorman part since its only around $90 more than the dealer gasket kit for the upper, so it seemed a no-brainer. You know it would be nice to know your engine is not going to self-destruct after in 2-3 yrs! I may have the dealer put in a 180 tstat too. I will keep my fingers crossed that all goes well and I will keep you guys posted tomorrow night when I pick her up!
I am looking up the repair from 2002 and if the lower gaskets were not done I will do them now too....also, I picked up the Dorman part since its only around $90 more than the dealer gasket kit for the upper, so it seemed a no-brainer. You know it would be nice to know your engine is not going to self-destruct after in 2-3 yrs! I may have the dealer put in a 180 tstat too. I will keep my fingers crossed that all goes well and I will keep you guys posted tomorrow night when I pick her up!
Just thought I would warn you first & save you the embaracement from asking them too. 
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From: Purgatory
If in doubt on the 99, read the casting date on the intake, and compare it to the improved intake manufacture date in the sticky thread in this forum.
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I picked bonnie up last night, total labor was $257 including oil and coolant. the dealer said it was a failure of the plenum & gasket. They installed the Dorman Kit I provided ($145), so total was around $400....this saved me a lot $$ over the oem plenum & gasket. Hopefully I wont have to do this job again! Thanks for all your suggestions!
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From: Purgatory
I searched the previous threads and didn't see anything about the "improved" date. What date did GM start using the improved upper intake? Or, where can I find that info. in the threads?
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Originally Posted by vital49
I searched the previous threads and didn't see anything about the "improved" date. What date did GM start using the improved upper intake? Or, where can I find that info. in the threads?
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