Question about 2003 GMC Yukon Denali
Ok, first, GM uses a timing chain in its engines, which goes much longer than a belt. With the timing chain, you don't have to worry about changing it until you're having to worry about overhauling the engine. Some people will try to sell you additional shop work, but it's not necessary. These are known to go for more than 400,000 miles with no problems if the engine lasts that long, but are always changed when the engine is rebuilt or overhauled. I currently own a silverado with 120,000 miles on the original timing chain, an s-10 with 210,000 miles on the original timing chain, and a suburban with 135,000 miles on the original timing chain, just for a reference for you. Hope this helped you out.
Posted on Nov 28, 2009
Every 60.000miles i what i recommend for all my customers . If its good can go up to another additional 10000miles but not more than that.
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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