Will not start, backfires every time I try to start it
2002 BUICK RENDEZVOUS
135,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
RMARIN
MEMBER
1 POST
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Does this vehicle have a timing belt or timing chain? How do you replace it?
Feb 16, 2019 at 2:28 PM
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SCGRANTURISMO
CERTIFIED EXPERT
4,897 POSTS
Hello,
This could be a timing issue. I have included for you the information that you requested in the diagrams below. It is step by step instructions on how to remove and install a new timing chain and tensioners.