2000 Pontiac Montana Q&A

2000 Pontiac Montana Question: 3.8L engine, has started plowing the seal off the oil filter.

when you start the car the oil seal will fail on the filter. I have used several brands, does this on all brands. was told it was a pressure relief valve. replaced the pressuer relief valve in the oil filter area. It still blows the oil filter seal. need help. -
Answer 1
could be the check valve in the oil pump. i would have it checked by a shop to confirm. Roy -
Comment 1
Thank You very much. This has been driving me crazy. Just couldn't figure it out. -