GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Exhaust Gas Recirculation Valve Bracket Replacement

Removal Procedure

    Object Number: 858219 Size: SH
  1. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  2. Remove the EGR Pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
  3. Remove the EGR valve adapter bracket nuts.
  4. Remove the EGR valve adapter bracket.
  5. Remove the EGR adapter gasket.
  6. Clean the intake manifold.

Installation Procedure

    Object Number: 858219 Size: SH
  1. Install a NEW EGR gasket onto the intake manifold.
  2. Install the EGR valve adapter bracket.

    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 adapter bracket nuts.

    4. Tighten
    Tighten the nuts to 22 N·m (16 lb ft).

  4. Install the EGR pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
  5. Install the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .