GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, and 6.0L 🢒 Drive Belt Replacement - Accessory

Removal Procedure
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement in Engine Controls.

    2. Object Number: 898124 Size: SH
  2. Install a breaker bar with hex-head socket to the drive belt tensioner bolt.
  3. Rotate the drive belt tensioner clockwise in order to relieve tension on the belt.
  4. Remove the belt from the generator pulley.
  5. Slowly release the tension on the drive belt tensioner.
  6. Remove the breaker bar and socket and from the drive belt tensioner bolt.
  7. Remove the belt from the remaining pulleys.
  8. Clean and inspect the belt surfaces of all the pulleys.

Installation Procedure

    Object Number: 898124 Size: SH
  1. Route the drive belt around all the pulleys except the generator pulley.
  2. Install the breaker bar with hex-head socket to the belt tensioner bolt.
  3. Rotate the belt tensioner clockwise in order to relieve the tension on the belt.
  4. Install the drive belt on the generator 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 outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement in Engine Controls.