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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Mechanical - 4.3L (LU3)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Drive Belt Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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 pulley.
  2. Observe the drive belt routing for the vehicles without air conditioning.
    Fig 1: Drive Belt Routing
    G01977341Courtesy of GENERAL MOTORS CORP.
  3. Observe the drive belt routing for the vehicles with air conditioning.
    Fig 2: Routing Drive Belt Over Pulleys
    G01977342Courtesy 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.
    Fig 3: View of Drive Belt Tensioner
    G01977343Courtesy of GENERAL MOTORS CORP.
  7. Inspect for the drive belt being properly installed on the pulleys.
    Fig 4: Inspecting Drive Belt Installation to Pulleys
    G01977344Courtesy of GENERAL MOTORS CORP.
  8. Avoid mis-positioning the drive belt by one or more grooves.
    Fig 5: Positioning Drive Belt
    G01977345Courtesy of GENERAL MOTORS CORP.
  9. 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: Exploded View of Fix Pointer & Index Marks
    G01977346Courtesy of GENERAL MOTORS CORP.
  10. With a used drive belt installed the fix pointer should not align past the index mark.
    Fig 7: Proper Alignment of Fix Pointer to Index Mark
    G01977347Courtesy of GENERAL MOTORS CORP.
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