There is no maintenance on a timing chain system, most will last the life of the engine. There is a valve adjustment called for at 110K, more of a check than a adjustment.

Ducit Amour Hybridae
Mark Smith
Master Certifited Technician
Tempus non reparabilis fugit
"It isn't pollution that's harming the environment. It's the impurities in our air and water that are doing it."

Best Tank 35.0 MPG