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

Installation Procedure

  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 (Without A/C)
    G01660957Courtesy of GENERAL MOTORS CORP.
  3. Observe the drive belt routing for the vehicles with air conditioning.
    Fig 2: Drive Belt Routing (With A/C)
    G01660958Courtesy 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: Drive Belt Tensioner Arm
    G01660959Courtesy of GENERAL MOTORS CORP.
  7. Inspect for the drive belt being properly installed on the pulleys.
    Fig 4: Aligning Drive Belt
    G01660960Courtesy of GENERAL MOTORS CORP.
  8. Avoid mis-positioning the drive belt by one or more grooves.
    Fig 5: View Of Mispositioned Drive Belt
    G01660961Courtesy 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: Fix Pointer & Drive Belt Tensioner Index Mark Alignment (New Belt)
    G01660962Courtesy of GENERAL MOTORS CORP.
  10. With a used drive belt installed the fix pointer should not align past the index mark.
    Fig 7: Fix Pointer & Drive Belt Tensioner Index Mark Alignment (Used Belt)
    G01660963Courtesy of GENERAL MOTORS CORP.