GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Drive Belt Replacement

Removal Procedure

    Object Number: 696691 Size: SH
  1. Disconnect the mass airflow (MAF) sensor electrical connector (4).
  2. Disengage the cover clips (2).
  3. Remove the air cleaner cover (1).

    4. Object Number: 745585 Size: SH
  4. Loosen the air intake duct clamp at the throttle body.
  5. Remove the air intake duct and air cleaner element.

    6. Object Number: 745524 Size: SH
  6. Install a breaker bar to the belt tensioner.
  7. Rotate the belt tensioner clockwise in order to relieve tension on the drive belt.
  8. If equipped with air conditioning (A/C), remove the drive belt (1) from the pulleys and the tensioner.
  9. If equipped without A/C, remove the drive belt (2) from the pulleys and the tensioner.
  10. Slowly release the tension on the belt tensioner.
  11. Remove the breaker bar from the belt tensioner.
  12. Clean and inspect the belt surfaces of all the pulleys.

Installation Procedure

    Object Number: 745524 Size: SH
  1. Route the drive belt around all the pulleys, except the belt tensioner.
  2. Install the breaker bar to the belt tensioner.
  3. Rotate the belt tensioner clockwise in order to relieve tension on the tensioner.
  4. If equipped without A/C, install the drive belt (2) over the tensioner.
  5. If equipped with A/C, install the drive belt (1) over the tensioner.
  6. Slowly release the tension on the belt tensioner.
  7. Remove the breaker bar from the belt tensioner.
  8. Inspect the drive belt for proper installation and alignment.

    9. Object Number: 745585 Size: SH
  9. Install the air intake duct and air cleaner element.

    10. Notice: 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.

  10. Tighten the air intake duct clamp at the throttle body.

    11. Tighten
    Tighten the air intake duct clamp to 3 N·m (26 lb in).


    Object Number: 696691 Size: SH
  11. Install the air cleaner cover (1).
  12. Engage the cover clips (2).
  13. Connect the MAF sensor electrical connector (4).