GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 43181 Quick Connect Connector Removal Tool

Removal Procedure


    Object Number: 1862358  Size: SH
  1. Remove the generator. Refer to Generator Replacement .
  2. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  3. Remove the right exhaust pipe. Refer to Exhaust Pipe Replacement - Right Side .
  4. Remove the crankcase ventilation hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  5. Drain the cooling system. Refer to Cooling System Draining and Filling .
  6. Remove the heater inlet pipe bracket bolt (1).
  7. Using the J 43181 , disconnect the exhaust gas recirculation (EGR) cooler hose fitting (2) from the heater inlet pipe.

  8. Object Number: 1862359  Size: SH
  9. Reposition the EGR cooler pipe clamp (1) and remove the EGR cooler pipe hose from the EGR cooler tube.

  10. Object Number: 1862361  Size: SH
  11. Disconnect the engine wiring harness electrical connector (1) from the EGR valve.

  12. Object Number: 1998504  Size: SH
  13. Remove the EGR valve temperature sensors (3). Refer to Exhaust Gas Recirculation Valve Temperature Sensor Replacement - Position 1 and Exhaust Gas Recirculation Valve Temperature Sensor Replacement - Position 2.
  14. Remove the EGR valve/cooler tube assembly bolts and nut.
  15. Remove the EGR valve/cooler tube assembly (2) and gasket (1) from the engine and place on a clean work surface. Discard the gasket.

  16. Object Number: 1862364  Size: SH
  17. On the bench, remove the EGR valve to EGR cooler tube bolts (2).
  18. Separate the EGR valve (3) from the EGR cooler tube (4).
  19. Remove and discard the intake manifold tube gaskets (1) as required.
  20. Reposition the EGR cooler hose clamp (6) and remove the EGR cooler hose (5) from the EGR cooler.

  21. Object Number: 1862391  Size: SH
  22. If required, remove the EGR cooler tube bracket bolts and bracket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1862391  Size: SH
  1. If required, position the EGR cooler tube bracket to the cylinder head and install the bolts.
  2. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1862364  Size: SH
  3. Install the EGR cooler hose (5) onto the EGR cooler tube and position the EGR cooler hose clamp (6).
  4. Install NEW intake manifold tube gaskets (1) as required.
  5. Position the EGR valve (3) to the EGR cooler tube (4).
  6. Install the EGR valve to EGR cooler tube bolts (2).
  7. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).


    Object Number: 1998504  Size: SH
  8. Install a NEW gasket (1) to the EGR valve cooler tube assembly (2)
  9. Install the EGR valvecooler tube assembly (2)to the engine.
  10. Install the EGR valve/cooler tube assembly bolts and nut.
  11. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  12. Install the EGR Valve Temperature sensors. Refer to Exhaust Gas Recirculation Valve Temperature Sensor Replacement - Position 1 and Exhaust Gas Recirculation Valve Temperature Sensor Replacement - Position 2.

  13. Object Number: 1862361  Size: SH
  14. Connect the engine wiring harness electrical connector (1) to the EGR valve.

  15. Object Number: 1862359  Size: SH
  16. Install the EGR cooler pipe hose to the EGR cooler tube and reposition the EGR cooler pipe clamp (1).

  17. Object Number: 1862358  Size: SH
  18. Connect the EGR cooler hose fitting (2) to the heater inlet pipe.
  19. Install the heater inlet pipe bracket bolt (1).
  20. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  21. Fill the cooling system. Refer to Cooling System Draining and Filling .
  22. Install the crankcase ventilation hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  23. Install the right exhaust pipe. Refer to Exhaust Pipe Replacement - Right Side .
  24. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  25. Install the generator. Refer to Generator Replacement .