It has a chain. No maintance is needed.
timing chain
Chain.
No , the 4.2 litre six cylinder engine in a 2002 Chevrolet Trailblazer has a timing CHAIN
The timing chain is designed to last the life of the engine.
2002 Chevy trailblazer has a 6 lug bolt
where is the O2 sensor on a 2002 chevy trailblazer
4 cylinders have a belt and v6 has a chain!
there is no timing belt -- only a timing chain that does not need to be replaced
all engines in 2002 cavalier have timing chains.gmjim I just purchased a 2002 Cavalier with a DOHC engine. I think that it owuld have a belt instead of a chain.
Chevrolet TrailBlazer was created in 2002.
That engine has a timing chain and gears and will probley out last the engine. NO need to replace it.
Where is the location of the cooling fan sensor on a 2002 Chevy Trailblazer? Also what is the 800 number for Chevy?