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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1023 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) >> Repair Instructions (On-Vehicle & Off Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Drive Belt Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the drive belt (1) to the drive pulleys, if equipped with dual generators and vacuum pump (California emissions).
    2. Fig 1: View Of Drive Belt Routing (Dual Generator - California Emissions)
    GM812350Courtesy of GENERAL MOTORS CORP.
  2. Install the drive belt (1) over all of the pulleys except the tensioner pulley, if equipped with a dual generators (Federal emissions).
    3. Fig 2: View Of Drive Belt Routing (Dual Generator - Federal Emissions)
    GM812347Courtesy of GENERAL MOTORS CORP.
  3. Install the drive belt (1) to the drive pulleys, if equipped with a single generator and vacuum pump (California emissions).
    4. Fig 3: View Of Drive Belt Routing (Single Generator - California Emissions)
    GM812348Courtesy of GENERAL MOTORS CORP.
  4. Install the drive belt (1) over all of the pulleys except the tensioner pulley, if equipped with a single generator (Federal emissions).
    5. Fig 4: View Of Drive Belt Routing (Single Generator - Federal Emissions)
    GM812344Courtesy of GENERAL MOTORS CORP.
  5. Install a 3/8 inch breaker bar into the tensioner opening and rotate the tensioner counterclockwise.
    6. Fig 5: View Of Drive Belt Tensioner
    GM657564Courtesy of GENERAL MOTORS CORP.
  6. Route the drive belt over tension pulley.
  7. Slowly release the tension on the tensioner arm.
  8. Inspect for proper drive belt installation.
    9. Fig 6: View Of Drive Belt Proper Installation Position
    GM665064Courtesy of GENERAL MOTORS CORP.
  9. Avoid mispositioning the drive belt by one or more grooves.
    10. Fig 7: View Of Mispositioned Drive Belt
    GM665067Courtesy of GENERAL MOTORS CORP.
  10. Confirm the proper drive belt size and the correct drive belt routing by observing the location of the pointer and index marks on the drive belt tensioner. With a new drive belt installed the pointer should align within the index marks on the drive belt tensioner.
    11. Fig 8: View Of Drive Belt Pointer & Tensioner Index Marks Aligned
    GM665072Courtesy of GENERAL MOTORS CORP.
  11. With a used drive belt installed the pointer should not align past the index marks.
    12. Fig 9: View of Drive Belt Pointer Misaligned
    GM665075Courtesy of GENERAL MOTORS CORP.
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