Question about 1999 Buick Century

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1999 buick century coolant on top of intake manifold no engine lights on

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Re: solution #2 - the intake manifold is NOT plastic. you are thinking of the air intake to the air filter. There is a big difference.

Posted on Nov 09, 2010

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Carefully check all hoses & clamps. If leak/seepage not found then check for leak along the intake manifold - the manifold gasket could be leaking and this is quite common.

Posted on Jul 05, 2010

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Replace the intake,it is plastic,and they will improve the design so this does not happen again,it was a bad design,if this was helpful,please rate,thank you.

Posted on Jul 05, 2010

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Are there any known problems of head gaskets on 1997 buick century


Aaron, there has been a few problems with head gaskets, the bigger problem was with the intake manifold gaskets.
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1 Answer

1996 buick century antifreeze in the engined


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2 Answers

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1 Answer

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Intake Manifold Coolant Pipe Bolt .... 89 in lbs (7.4166 ft. lbs)
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