Chain
It has a timing chain and gears. NO timing belt.
Timing belt
You DONT the ECM Electronic Control Modual does it for you...
The 3.4 litre V6 engine in a 2004 Chevrolet Venture has a timing CHAIN
It must be a timing chain because Gates ( they make timing belts etc. ) does not list a timing belt for the 2004 Chevy Cavalier
The best time to replace a 2004 Chevy Venture timing chain is when it becomes weak or broken. It is not something that needs replaced routinely.
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!
Wath timing 2.2 malibu 2004
Pushrod engines have a chain. Overhead cam engines have a belt.
Where is the starter on a 2004 Chevy trailblazer.
The LL8 4,2 inline six cylinder engine in the GMT360 platform trucks is an all aluminum Dual overhead camshaft engine. They are driven by one large timing Chain. www.trailvoy.com Trailblazer enthusiasts forum
If your Chevy trailblazer 2004 gauges are not working, check your fuel pump.