This is like asking "when should I have the cylinders reground or the oil pump replaced. A timing chain is not like a timing belt in that it is not subject to 80,000 mile replacement. So, keep your oil changed every 3000 miles and drive on.
Good luck !!!
This vehicle has a timing chain.
It has a timing chain.
Chain.
chain
timing chain
chain
No, the Grand Cherokee uses a timing chain which will most likely never need replaced, they are extremely durable.
chain
No, it has a timing chain.No, it has a timing chain.
No, it has a chain.
Yes
4.0L I6-NO 4.7L V8-NO 3.1L Diesel-NO 2.7L Diesel-NO It would have a chain.