GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Engine 🢒 Engine Cooling 🢒 Exhaust Gas Recirculation Valve Replacement

Removal Procedure

    Object Number: 602307 Size: SH
  1. Disconnect the exhaust gas recirculation (EGR) electrical connector.
  2. Remove the heat shield nuts.
  3. Remove the heat shield.
  4. Remove the EGR valve retaining nuts/bolts.

    5. Important: Inspect the EGR passages in the crossover water pump housing for deposits. Clean the EGR passages as needed. Refer to Exhaust Gas Recirculation (EGR) System Cleaning .

  5. Remove the EGR valve.
  6. Clean the EGR valve mounting surface.

Installation Procedure

    Object Number: 602307 Size: SH
  1. Install the new gasket.
  2. Install the EGR valve.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the EGR valve retaining nuts/bolts.

    4. Tighten
    Tighten the retaining nuts/bolts to 24 N·m (18 lb ft).

  4. Install the heat shield and nuts.

    5. Tighten
    Tighten the retaining nuts to 9 N·m (80 lb in).

  5. Reconnect the EGR valve electrical connnector.