GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1820433  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover . Refer to Engine Cover Replacement .
  3. Remove the charge air system hoses and ducts. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement .

  4. Object Number: 1820606  Size: SH
  5. Drain the engine coolant. Refer to Cooling System Draining and Filling .
  6. Remove the battery and tray. Refer to Battery Tray Replacement .
  7. Remove the ECM. Refer to Engine Control Module Replacement .

  8. Object Number: 1820582  Size: SH
  9. Remove the fuel injector sight shield bracket.

  10. Object Number: 1820583  Size: SH
  11. Remove the engine wiring harness bracket.

  12. Object Number: 1820611  Size: SH
  13. Remove the EGR cooler outlet pipe.
  14. Disconnect the surge tank-to-water pipe hose.
  15. Disconnect the heater-to-water pipe hose.
  16. Remove the water pipe retaining bolt from the engine block on the front.

  17. Object Number: 1820613  Size: SH
  18. Remove the EGR valve.

Installation Procedure


    Object Number: 1820613  Size: SH
  1. Install the EGR valve.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the water pipe retaining bolt onto the engine block.
  4. Tighten

        • Tighten the EGR valve retaining nuts to EGR cooler to 20 N·m (14.8 lb ft).
        • Tighten the EGR valve retaining bolts to EGR inlet pipe to 20 N·m (14.8 lb ft).
        • Tighten the water pipe retaining bolt (M6) to 9 N·m (79.7 lb in).
        • Tighten the water pipe retaining bolt (M8) to 20 N·m (14.8 lb ft).

    Object Number: 1820611  Size: SH
  5. Install the EGR cooler outlet pipe.
  6. Install the water pipe retaining bolt onto the engine block on the front.
  7. Tighten

        • Tighten the EGR cooler outlet pipe retaining bolts and nuts to 20 N·m (14.8 lb ft).
        • Tighten the water pipe retaining bolt (M8) to 20 N·m (14.8 lb ft).