DEXCOOL and N* variants - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-11-2007, 01:25 PM   #1  
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Default DEXCOOL and N* variants

Has anyone heard of any problems with Dexcool and the Northstar engines? The horror stories of Dexcool with the 3800 has me a little scared about what it might do to my own engine. (3.5 DOHC V6.) Would it affect these engines as well? I have not yet heard of any dexcool related problems yet.
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Old 01-11-2007, 01:29 PM   #2  
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This is why they don't have the same problems. Totally different gasket type, same ones used on the 60 degree V6'* up to 1994. Those gaskets shown are the 4.0 gaskets.

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Old 01-11-2007, 06:54 PM   #3  
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I've heard that all aluminum engines dont suffer from DexCool problems.
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