A really big problem with the GM 3.8 V6 engines were the plastic upper intake manifolds. The plenum was notorious for cracking allowing coolant into the cyli…
A really big problem with the GM 3.8 V6 engines were the plastic upper intake manifolds. The plenum was notorious for cracking allowing coolant into the cyli…
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The latest video in our GM 3.8 series, check it out!