3.8 L-leaking intake gaskets-cold this cause lack of heat in cabin ?

Does anyone know if leaking intake manifold gaskets could cause lack of heat in the cabin ? Thanks,Dom

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The 3800 is not the engine prone to lower intake gasket leaks, the 3100 and 3400 are the victims here. There have been issues with the egr passage in the 3800 composite intake cracking or degrading, causing coolant to enter the engine, obviously if you are loosing coolant to the point the heater is not working, you better address this as soon as possible. This applies to the later 3800 engine with the composite intake.

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The 3800 also suffers from corrosion problems. You may need the whole cooling system cleaned and this will cause loss of cabin heat and will also cause engine overheating...

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Shep wrote:

What is composite (plastic)? I'm interested in knowing as been told the plastic is around $400.00 parts price alone.
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Danil wrote:

Yes, it is a plastic intake, and the price is about 400.00.
--
Terry

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Aftermarket:
Redesigned and much better, about $200.00 at most part stores.
I hope this helps?
Refinish King

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