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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Drive Belt Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Route the drive belt over all the pulleys except the drive belt tensioner arm.
  2. Observe the drive belt routing for vehicles without air conditioning.
    Fig 1: Identifying Drive Belt Routing (Without Air Conditioning)
    G02077658Courtesy of GENERAL MOTORS CORP.
  3. Observe the drive belt routing for vehicles with air conditioning.
    Fig 2: Identifying Drive Belt Routing (With Air Conditioning)
    G02077659Courtesy of GENERAL MOTORS CORP.
  4. Install a 3/8 inch drive wrench on the drive belt tensioner arm and rotate the arm counterclockwise.
  5. Install the drive belt over the drive belt tensioner pulley.
  6. Slowly release the tension on the drive belt tensioner arm.
  7. Confirm that the belt is properly routed.
    Fig 3: Rotating Drive Belt Tensioner Arm Counterclockwise
    G02077660Courtesy of GENERAL MOTORS CORP.
  8. Inspect for the drive belt being properly installed on the pulleys.
    Fig 4: Inspecting Drive Belt Installation
    G02077661Courtesy of GENERAL MOTORS CORP.
  9. Avoid mis-positioning the drive belt by one or more grooves.
    Fig 5: Avoiding Mis-Positioning Drive Belt
    G02077662Courtesy of GENERAL MOTORS CORP.
  10. Confirm for the proper drive belt size and the correct drive belt routing by observing the location of the fix pointer and the index marks on the drive belt tensioner. With a new drive belt installed, the fix pointer should align within the indentation on the drive belt tensioner.
    Fig 6: Identifying Fix Pointer Position (New Belt)
    G02077663Courtesy of GENERAL MOTORS CORP.
  11. With a used drive belt installed, the fix pointer should not align past the index mark.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  12. Position the coolant recovery reservoir and install the retaining bolt.

    Tighten 

    Tighten the coolant recovery reservoir bolt to 11 N.m (97 lb in).

  13. Install the air cleaner assembly.
    Fig 7: Identifying Fix Pointer Position (Used Belt)
    G02077664Courtesy of GENERAL MOTORS CORP.
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