We have replaced the following since purchasing new in 1999: head gasket at 75K followed by 3.4L V6 engine at 125K. Intake manifold gasket failure is the likely culprit. Not through yet. Engine trouble light continues to display with replacement engine. CD player quit working at 30K. Pontiac Customer Service offered no goodwill assistance. Total cost of major repairs so far = $6K. Driving excitement = zero.
Lots of hauling capacity
Recall all 1999 Pontiac Montanas for engine problems.
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