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04-30-2016, 06:38 PM
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#1 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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4.3 timing chain
Hello I have a 2003 s10 blazer with 4.3. It has 107k on it and runs ok. The other day I got an intermittent code for a random misfire. It has had the diesel knocking sound since I got it about a year ago. Sound has gotten worse. Upon research I have found extremely common on 4.3 with different answers on serious or not. I am thinking of changing the timing chain set and tensioner.
Supposedly the tensioner is the noise maker. Anyway What is the best stuff to use. AC Delco or a better choice in the aftermarket stuff. Thanks |
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