GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove bolt at water pump housing.
  2. Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  3. Raise and support the vehicle.
  4. Remove the crossover exhaust pipe. Refer to Exhaust Crossover Replacement in Engine Mechanical.
  5. Remove the nut from crossover exhaust pipe.
  6. Remove the EGR valve pipe.

Installation Procedure

  1. Loosely install EGR pipe nut to crossover exhaust pipe.
  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.

  3. Install crossover exhaust pipe. Refer to Exhaust Crossover Replacement in Engine Mechanical.
  4. Tighten
    Tighten the EGR pipe nut to 60 N·m (44 lb ft).

  5. Lower the vehicle.
  6. Install bolt at water pump housing.
  7. Tighten
    Tighten the water pump housing bolt to 24 N·m (18 lb ft).