Thread: Please help.. Coolant leak

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  1. #1 Please help.. Coolant leak 
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    i have problem with the intake manifold first on top of the intake manifold betwenn the plenum and intake manifold there was oil and coolant mix... i replaced the intake manifold gasket and the plenum gasket, and again between the two, "intake manifold, and plenum" there was only coolant no oil... i dont know what could be causing the leak on top of the manifold, please help...
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  2. #2 Re: Please help.. Coolant leak 
    Moderator dsmuts's Avatar
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    You need to change out the lower intake manifold gasket for the coolant oil mixing problem and the upper intake is prone to cracking on the na cars.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
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  3. #3 Re: Please help.. Coolant leak 
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    I'll ready replace da lower gasket and the plenum gasket.. could be da intake manifold? but it looks good on top.
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