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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical (Repair Instructions -- 1 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Drive Belt Replacement - Accessory >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Loosen the air cleaner outlet duct clamps at the following locations:
    • The throttle body
    • The mass airflow/intake air temperature (MAF/IAT) sensor
  2. Disconnect the radiator inlet hose clip from the outlet duct.
  3. Remove the air cleaner outlet duct.
    4. Fig 1: View Of Air Cleaner Outlet Duct
    GM832066Courtesy of GENERAL MOTORS CORP.
  4. Install a breaker bar with hex-head socket to the drive belt tensioner bolt.
  5. Rotate the drive belt tensioner clockwise in order to relieve tension on the belt (1).
  6. Remove the belt (1) from the pulleys and the drive belt tensioner.
  7. Slowly release the tension on the drive belt tensioner.
  8. Remove the breaker bar and socket and from the drive belt tensioner bolt.
  9. Clean and inspect the belt surfaces of all the pulleys.
    10. Fig 2: View Of Accessory Drive Belt Routing
    GM833370Courtesy of GENERAL MOTORS CORP.
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