GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Replacement Left

Removal Procedure


    Object Number: 176061  Size: SH
  1. Remove the exhaust pipe from the exhaust manifold.
  2. Disconnect the oxygen sensor electrical connector.
  3. Disconnect the EGR valve pipe from the exhaust manifold. Refer to Secondary Air Injection Check Valve and Check Valve Pipe Replacement in Engine Controls 5.0, 5.7L.
  4. Remove the exhaust manifold bolts.
  5. Remove the exhaust manifold.
  6. Clean all sealing surfaces.

Installation Procedure

  1. Install the exhaust manifold. Refer to Exhaust Manifold Installation (Left) .

  2. Object Number: 173206  Size: SH

    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. Connect the EGR valve pipe to the exhaust manifold.
  4. Tighten
    Tighten the EGR valve pipe nut. Refer to Air Cleaner Assembly Replacement in Engine Controls 5.0, 5.7L.

  5. Install the exhaust pipe to the exhaust manifold. Refer to Exhaust Manifold Installation (Left) in Engine Exhaust.

Exhaust Manifold Replacement Right

Removal Procedure


    Object Number: 69032  Size: SH
  1. Remove the exhaust pipe from the exhaust manifold. Refer to Catalytic Converter Replacement in Engine Exhaust.
  2. Disconnect the oxygen sensor electrical connector.
  3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls 5.0, 5.7L.
  4. Remove the bolt for the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  5. Remove the exhaust manifold bolts.
  6. Remove the exhaust manifold.
  7. Clean all sealing surfaces.

Installation Procedure


    Object Number: 69032  Size: SH
  1. Install the exhaust manifold. Refer to Exhaust Manifold Installation (Right) .
  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 the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  4. Install the air cleaner assembly.
  5. Install the exhaust pipe to the exhaust manifold. Refer to Catalytic Converter Replacement in Engine Exhaust.