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Recently just changed water pump on my bug and cranks but won’t turn on at all

Answers from the Automotive Experts

Jessica Howe, Automotive Expert & Coach at


Thank you for writing in. The most likely cause is a timing issue. The water pump is driven by the timing belt, and it must be adjusted properly when put back on. Double check your timing first, and retrace your installation steps to make sure everything went back together correctly. If this doesn't solve the problem, then you will want to look into the crank and cam position sensors. There was likely a small mistake when reinstalling the new pump. Good luck!


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