Check engine oil level first.If its ok then try changing the oil and filter.If you are still getting the knocking then the big end shell bearings are worn.Then the only solution is to have them changed.
how do you take off the lower fron and rear gray bumper covers for painting on a 2002 Dodge Dakota...
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how do you take off the lower fron and rear gray bumper covers for painting on a 2002 Dodge Dakota Quad Cab SLT?