You need to change the timing chain on a 3.8 Commodore engine when it becomes worn out or it brakes. This is not considered routine maintenance.
Timing chain
You do not have to change the timing chain. It is designed to last the life of the engine.
The timing chain does not have a recommended change interval and should last for the life of the engine.The timing chain does not have a recommended change interval and should last for the life of the engine.
It has a timing CHAIN
You do not change the timing chain unless it becomes noisy. It is designed to last the life of the engine.
Neither, Camshaft is gear diven on Holden Six's until the arrival of Vl commodore[Nissan engine]
Generally a timing chain is good for the life of the engine, so myth.Generally a timing chain is good for the life of the engine, so myth.
A timing chain is designed to last the lifetime of the engine.
There is no maintenance on the timing chain unless it breaks. No you don't change it.
A timing chain should last the life of the engine. Timing chains are INSIDE the engine and as such are constantly oiled. By the time the timing chain and/or tensioning mechanism is worn out, it's about time to rebuild the engine.
You change the timing chain when you overhaul the engine. They will last the life of the engine under normal circumstances and are not an item you replace as a part of regular maintenance.
A timing chain normally will last as long as the engine. Signs of a failing timing chain are chain noise and or engine that continues to jump time.