there is a knock in her engine at idle speed on 1999 Volkswagen Beetle

when my girlfriend starts her car there is a knock in her engine that sounds like it is coming from the right side of engine (where serp. belt is) timing belt was just changed about 3 or 4 thousand miles ago. when she turns it off it sounds like metal scraping. iwas wandering if it might be bad crank or cam bearings she thinks its just bad gas.

by in Pompano Beach, FL on February 28, 2012
1 answer 1 comment
ANSWER by on February 28, 2012
COULD BE A BAD TIMING BELT TENSIONER, OR DRIVE BELT TENSIONER..
COMMENT by on March 01, 2012
thanks for your answer i will check that out this weakend