Factory recommendation is 90,000 miles.
If it is a timing CHAIN and not a belt, it doesn't require changing. It should last the life of the engine.
2002-2006 model year highlander's use a timing chain and do not be used
It is a belt, and the factory specs call for replacement at 90,000 miles.
Belt - change at 90,000 miles.
2002 and up four cylinders have a timing chain no belt.
You can replace a timing chain on a 2002 Pontiac Sunfire by visiting a local mechanic and having him take care of it for you. This is a tricky part to change yourself.
The timing chain does not have a service interval. It only needs replaced if there is a failure.
75000 miles
there is no timing belt -- only a timing chain that does not need to be replaced
No.
No, not as a part of regular maintenance. You replace the timing chain at an overhaul or if it become noisy or loose. They are normally good for the life of the engine.
That engine has a timing chain and gears and will probley out last the engine. NO need to replace it.
The timing chain is designed to last the life of the engine and is normally replaced when the engine is overhauled.