smell antifreeze when the car runs and slowly losing antifreeze. nothing in the oil.
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2004 Pontiac Bonneville Question: we have oil on top of the intake manifold. would that be the top intake seal
Answer #1paceguy October 31, 2012, 11:05Enthusiast
very common problem with this era GM cars due to dexcool antifreeze eroding intake manifold gaskets,replace upper and lower intake gaskets.
Answer #2Greg's Orange Auto (10955 Answers) , Orange, CA - (714) 482-6185globalhelper October 31, 2012, 12:42Master
have it daig 1st but pace guy is correct
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