Question about 2004 GMC Envoy
If your vehicle has the 4.2 liter engine, it has a timing chain, not a belt. if you keep up on your oil changes, it shouldn't require service. make sure to look after this engine well, if there is ever a timing chain issue in this truck, it is a very very large and expensive job.
Posted on May 13, 2010
Testimonial: "Thank you very much... My car is everything to me and I want to keep her in the best of shape.. your quick reply was extremely helpful!! And yes.. she does get regular oil changes.. so I forsee no problems in the near future.. Thanks again!!"
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Posted on Jan 02, 2017
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