GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra 🢒 Engine 🢒 Engine Controls and Fuel - 2.0L (Diesel) 🢒 Exhaust Gas Recirculation Valve Replacement

Removal Procedure

    Object Number: 1962428 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement .

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

    5. Object Number: 1863920 Size: SH
  5. Disconnect the EGR cooler inlet and outlet hoses.
  6. 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.

  2. Install the water pipe retaining bolt onto the engine block.

    3. 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
  3. Install the EGR cooler outlet pipe.
  4. Install the water pipe retaining bolt onto the engine block on the front.

    5. 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).