Question about 2002 Chevrolet TrailBlazer
At what mileage does the timing chain on a 2002 Trailblazer need to be replaced?
The timing chain on the Trailblazer 4.2 L is a metal chain. Unlike plastic timing belts that require replacement at certain mileage, this metal chain should be good for the life of the engine.
Posted on Oct 30, 2009
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Posted on Jan 02, 2017
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