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Posted on Jan 02, 2017
The first place you need to start is with an oil pressure gauge. Rattling marble sounds come from engine components that don't have proper lubrication. What happens is when your engine is cold and you fire it up, the oil is really thick. The hotter the oil gets, the thinner it gets. If there is a problem with the oil pump, it will not draw heavy oil, but as it thins out, it becomes easier for the pump to pull it.
So my advice is to get your oil pump tested. That would be a smart first step.
Posted on Jan 02, 2010
its simple to do. just unplug the sensor and unscrew it. if its frozen and hard to break loose, then just heat the base the part of exhaust that it goes into.
Posted on Mar 01, 2010
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