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I have a question, My son has a 1999 grand am, 3.4. Antifreeze in rocker cover, not engine. Is it the air intake gasket that needs to be replaced? If so, is it 7 bolts on top of engine? I am somewhat mechanically inclined.


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The most common cause is the intake manifold gaskets leaking.

We have also had many problems with the 3.4L rear headgasket leaking. This will usually cause overheating and air pockets in the coolant, but not normally contamination in the oil or valve cover, but it can.

See these pictures of 3400 cylinder head removal. Be sure to read the whole article, and pictures on page 2.

There are a lot more than 7 bolts on the top of the engine to remove the intake manifold. The bolts you are talking about sound like the upper intake plenum. And this is not just removing of 7 bolt either. It is quite a big job for anyone who is not a mechanic by trade.

Please see this Picture of 3.4L intake manifold removed with pushrod location and rocker arm torque..
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Be sure to check the Similar questions down this page for more help.


   
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