GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1863844  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement .

  3. Object Number: 1863917  Size: SH
  4. Drain the engine coolant. Refer to Cooling System Draining and Filling .
  5. Remove the engine wiring harness bracket.

  6. Object Number: 1863920  Size: SH
  7. Disconnect the EGR cooler inlet and outlet hoses.
  8. Remove the EGR valve.

Installation Procedure


    Object Number: 1863920  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: 1863917  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).