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| View Poll Results: 1998 GM vehicles--Upper Plenum and Intake Manifold Warning!! | |||
| Have you had your upper Plenum replaced? |
   
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1 | 50.00% |
| Have you had your Intake Manifold replaced. |
  
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1 | 50.00% |
| Was plenum/intake manifold related? |
  
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2 | 100.00% |
| Multiple Choice Poll. Voters: 2. You may not vote on this poll | |||
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#1
06-23-2005, 01:26 PM
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Select 1998 GM Vehicles (most common) Upper Plenum and Intake Manifold Problem!!!
I have a '98 GP GT with bad UPPER PLENUM AND INTAKE MANIFOLD. My anti-freeze leaked (flooded) the intake manifold causing smoke from exhausts!!! Very common esp. 1998 GM's. Re: plastic Plenum melts and burns! Cost me $400 incl. labor! Beware 1998 GT's, Regals, Olds etc. Just a heads up! No recall either because it's not a safety issue! yeah, right--just poor design!!!!! Why would anyone put plastic near heat?!
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#2
06-23-2005, 02:09 PM
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Re: Select 1998 GM Vehicles (most common) Upper Plenum and Intake Manifold Problem!!!
there is acually lots of plastic parts near high heat areas I think there is a issue with the gaskets and probally a bad mix when they molded the intake. after 10/1/98 it was suppose to be fixed but we all know GM!
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