GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 221645  Size: SH
  1. Remove the battery. Refer to Battery Replacement in Engine Electrical.
  2. Reposition the coolant recovery reservoir hose clamp from the radiator.
  3. Remove the coolant recovery hose from the radiator.

  4. Object Number: 221646  Size: SH
  5. Remove the accelerator and cruise control servo cable bolts, if equipped with the 5.7L engine.
  6. Reposition the servo cable adjuster, if equipped with the 5.7L engine.

  7. Object Number: 221653  Size: SH
  8. Remove the coolant recovery reservoir mounting bolt.

  9. Object Number: 221650  Size: SH
  10. Remove the wiring harness rosebud clip from the reservoir neck.
  11. Remove the coolant recovery reservoir.

  12. Object Number: 221663  Size: SH
  13. Remove the coolant recovery reservoir hose from the coolant recovery reservoir.

Installation Procedure


    Object Number: 221663  Size: SH
  1. Install the coolant recovery reservoir hose to the coolant recovery reservoir.
  2. Install the coolant recovery reservoir.

  3. Object Number: 221650  Size: SH
  4. Install the wiring harness rosebud clip to the coolant recovery reservoir neck.

  5. Object Number: 221653  Size: SH

    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.

  6. Install the coolant recovery reservoir bolt.
  7. Tighten
    Tighten the bolt to 12 N·m (106 lb in).


    Object Number: 221646  Size: SH
  8. Reposition the servo cable adjuster, if equipped with the 5.7L engine.
  9. Install the servo cable bolts, if equipped with the 5.7L engine.
  10. Tighten
    Tighten the bolts to 8 N·m (71 lb in).


    Object Number: 221645  Size: SH
  11. Install the coolant recovery reservoir hose to the radiator.
  12. Reposition the reservoir hose clamp to the radiator.
  13. Install the battery. Refer to Battery Replacement in Engine Electrical.
  14. Fill the coolant recovery reservoir to the FULL COLD mark.