Mechanics

TIMING CHAIN NOISE

1999 Pontiac Grand Am • 95,000 miles

Ok well I just replaced the timing chain and the cam sprockets plus new tensioner and foot also the chain guards timing was perfect and she has ran great for about a month now all of sudden it started making a noise like a bike chain hitting its guard what could that be everything was new and timing was spot on would the chain strech
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BlUnT469
October 21, 2013.



The chain wouldn't have stretched that much in a month. You need to remove the cover and check to see if the tensionier is bad or loose.