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M103 oil pump longevity (loud valvetrain on startup)
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09-25-2003, 11:54 PM
blackmercedes
Just a guy
Join Date: Dec 2000
Location: St. Albert, Alberta, Canada
Posts: 3,492
Possible noises:
Lifters that have bled down.
Timing chain tensioner that needs pressure.
Timing chain itself.
You may need some top end work, or simply a new timing chain and tensioner. If never done, I'd bet the chain and tensioner are done.
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