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timing chain
Chain
It has a chain. No maintance is needed.
Timing chain, for V-6 and V-8
Timing chain, no maintenance required.
1996 Chevy blazer timing chain
at what mileage do you change a 99 Chevy Tahoe timing chain.
are u sure is the timing chain? because cult it by the timing sensor or the timing auctueror sprocket There is no timing belt on a trailblazer only a single timing chain. After some research I found out that the timing chain is still in service in vehicles that have over 150,000 miles without issues. It does not appear to be a weak link in this very strong Atlas LL8 design. The posted labor to change it out is listed at 16 hours. Not really a driveway job but based on history not a problem on these trucks.
It does not have a timing belt, It has a chain and gears.
There is no maintenance on the timing chain unless it breaks. No you don't change it.
The 4.2 has a chain.
The 4200 Vortec inline Six does not have a belt. It in fact has a timing chain to drive the dual overhead camshafts. I do not know the regular service interval for the chain however I do know several members of the forum are at 200,000 miles without problems. www.trailvoy.com All the answers for your Trailblazer from true enthusiasts!