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  #16 (permalink)  
Old 11-02-2012, 05:47 PM
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Rebuilding top end

Leaking intake manifold gaskets on these cars are common. Just replace the intake manifold gasket and flush the radiator and block. Do not use Dex-Cool antifreeze anymore. It is a fact that the Dex-Cool reacts with the material the intake gaskets are made with. Check out this website full of compliants. 2002 Chevrolet Impala Leaking Coolant, Intake Manifold Gasket Failure | CarComplaints.com

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  #17 (permalink)  
Old 11-02-2012, 07:34 PM
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Originally Posted by cdminter59 View Post
Leaking intake manifold gaskets on these cars are common. Just replace the intake manifold gasket and flush the radiator and block. Do not use Dex-Cool antifreeze anymore. It is a fact that the Dex-Cool reacts with the material the intake gaskets are made with. Check out this website full of compliants. 2002 Chevrolet Impala Leaking Coolant, Intake Manifold Gasket Failure | CarComplaints.com
I don't want to tear into the engine and replace gaskets that are fine
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  #18 (permalink)  
Old 11-02-2012, 09:55 PM
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Rebuilding top end

The intake gaskets are most likely bad if you are losing antifreeze and cannot find it. Antifreeze is probably leaking into an exhaust port, heating up and evaporating. Is it easy to take the exhaust manifold lose from the heads?
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Old 11-02-2012, 10:59 PM
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Okay, I guess I'll replace then even though there is no evidence at all that they are bad since the shop found the problem.
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Old 11-19-2012, 08:53 PM
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