Timing belt
#1
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99 chev blazer
140,000km's when does the timing belt have to be changed
140,000km's when does the timing belt have to be changed
#2
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Being a good, old fashioned, American truck engine, it has a timing chain instead of a timing belt - no recommended mileage for replacement. If you're asking about the serpentine accessory drive belt, I believe the factory says every 60,000 miles.
#3
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Yep, no timing belt, but a steel chain.
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