No, under normal circumstances the timing chain will last the life of the engine and is replaced when the engine is overhauled.
You can find out if a car has a timing belt or chain at www.timingchainorbelt.com web site.
If it requires a timing belt it probably is but not all engines have belts. The Expedition uses a timing chain. It doesn't have to be changed as part of a schedule like a timing belt.
I have a 1999 silverado and it has 160,000 miles. It runs great and I have not changed the timing belt. Ask another mechanic for their opinion.
Timing chains usually do not have a service interval. Timing belts do, 60,000 -100,000 miles
IT HAS A TIMING CHAIN AND SHOULD BE CHANGED AT 100,000 MILES
The V6 has a timing belt that MUST be changed every 105,000 miles.
The 2UZ-FE motor does not have a timing chain but a timing belt and it should be changed between 90k and 100k miles along with the water pump.
It has a timing belt which must be changed every 106,000 miles.
The recommended timing belt interval is at 160000 kilometers or 100000 miles.
No, timing chains will last the life of the engine and are normally replaced when the engine if overhauled.
150000 miles
It has a timing belt that should be changed every 60,000 miles. It is recommended that the water pump be changed with the timing belt.