Yukon Denali 2WD V8-6.0L Hybrid (2010)
1. Route the drive belt (1) around all the pulleys except the idler pulley.
2. Install the breaker bar with hex-head socket to the belt tensioner bolt.
3. Rotate the belt tensioner (2) clockwise in order to relieve the tension on the tensioner.
4. Install the drive belt under the idler pulley.
5. Slowly release the tension on the belt tensioner.
6. Remove the breaker bar and socket from the belt tensioner bolt.
7. Inspect the drive belt for proper installation and alignment.
8. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Filters/Air Cleaner Housing/Air
Cleaner Fresh Air Duct/Hose/Service and Repair).
