GM Service Manual Online
For 1990-2009 cars only

Charge Air Cooler Coolant Pipe Replacement With Reservoir

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 1619761  Size: SH

    Note: Draining the coolant from the system is not necessary. Use an absorbent shop towel at the hose connections to absorb any minor coolant leakage. Ensure the coolant does not make contact with any other components.

  1. Using the J 38185 , disengage clamp tension and disconnect the overflow hose from the fill neck.

  2. Object Number: 1619762  Size: SH
  3. Using the J 38185 , disengage clamp tension and disconnect the outlet hose from the fill neck.

  4. Object Number: 1619763  Size: SH
  5. Remove the fill neck bolts.

  6. Object Number: 1619769  Size: SH
  7. Using the J 38185 disengage clamp tension and disconnect the overflow hose from the reservoir.
  8. Remove the overflow hose.

Installation Procedure


    Object Number: 1619769  Size: SH
  1. Install the overflow hose.
  2. Using the J 38185 disengage clamp tension and connect the overflow hose onto the reservoir.

  3. Object Number: 1619762  Size: SH
  4. Using the J 38185 disengage clamp tension and connect the outlet hose onto the fill neck.

  5. Object Number: 1619761  Size: SH
  6. Using the J 38185 , disengage clamp tension and connect the overflow hose onto the fill neck.
  7. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1619763  Size: SH
  8. Install the fill neck bolts and tighten to 9 N·m (80 lb in).
  9. Inspect the level of the charge air cooling system and fill as necessary. Refer to Charge Air Cooling System Coolant Level Inspection.

Charge Air Cooler Coolant Pipe Replacement Without Reservoir

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 1619761  Size: SH

    Note: Draining the coolant from the system is not necessary. Use an absorbent shop towel at the hose connections to absorb any minor coolant leakage. Ensure the coolant does not make contact with any other components.

  1. Using the J 38185 , disengage clamp tension and disconnect the overflow hose from the fill neck.

  2. Object Number: 1619762  Size: SH
  3. Using the J 38185 , disengage clamp tension and disconnect the outlet hose from the fill neck.

  4. Object Number: 1619763  Size: SH
  5. Remove the fill neck bolts.

  6. Object Number: 2034241  Size: SH
  7. Using the J 38185 disengage clamp tension and disconnect the overflow hose from the reservoir.
  8. Remove the overflow hose.

Installation Procedure


    Object Number: 2034241  Size: SH
  1. Install the overflow hose.
  2. Using the J 38185 disengage clamp tension and connect the overflow hose onto the reservoir.

  3. Object Number: 1619762  Size: SH
  4. Using the J 38185 disengage clamp tension and connect the outlet hose onto the fill neck.

  5. Object Number: 1619761  Size: SH
  6. Using the J 38185 , disengage clamp tension and connect the overflow hose onto the fill neck.
  7. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1619763  Size: SH
  8. Install the fill neck bolts and tighten to 9 N·m (80 lb in).
  9. Inspect the level of the charge air cooling system and fill as necessary. Refer to Charge Air Cooling System Coolant Level Inspection.