GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Aurora 🢒 Engine 🢒 Engine Cooling 🢒 Exhaust Gas Recirculation Valve Replacement

Removal Procedure

    Object Number: 256325 Size: SH
  1. Remove the fuel lines from the EGR valve bracket.
  2. Disconnect the electrical connector from the EGR valve (3).
  3. Remove the mounting nuts from the valve bracket studs (4).
  4. Remove the EGR valve bracket.
  5. Remove the mounting studs (4) from the coolant crossover assembly (1).
  6. Remove the EGR valve.

    7. Ensure the valve mounting surface is clean and all gasket material is removed.

Installation Procedure

    Object Number: 256325 Size: SH
  1. Install the EGR valve (3) and a NEW gasket (2) to the coolant crossover assembly (1).

    2. 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.

  2. Install the EGR valve mounting studs.

    3. Tighten
    Tighten the studs to 24 N·m (18 lb ft).

  3. Install the EGR valve bracket to the mounting studs (4) using the 2 nuts.

    4. Tighten
    Tighten the nuts to 19 N·m (14 lb ft).

  4. Connect the electrical connector to the EGR valve (3).
  5. Install the fuel lines into the EGR valve bracket.