Timing chains are designed to last the life of the engine and are normally replaced during a complete engine rebuild. No maintenance is required.
It is not necessary to change the timing chain. It should last way over 100,000 miles. Timing belt should be change at least at 90,000 miles or earlier as listed in your owner's manual.
60000 miles
80,000 miles is recommended
you change time chain at 60 to 80 thousand miles
Depends on miles on the engine - I traded in a 95 SL1 with 206,000 miles with the original timing chain still on the engine. My impression is that under normal circumstances, you should get at least 175,000 miles on a Saturn timing chain.
its a timing belt and you have to change it around 100k miles
its a timing chain and as long as you dont have like over 200,000 miles its should be fine... its a timing chain and as long as you dont have like over 200,000 miles its should be fine...
Every 10,000 miles
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!
Belt - change at 90,000 miles.
It has a timing belt. Replace at 100,000 miles.It has a timing belt. Replace at 100,000 miles.
Engines that have a chain generally about 150,000 miles. Ones that have belts, 60,000 miles.