GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 SSR 🢒 Engine 🢒 Engine Electrical 🢒 Exhaust Manifold Replacement - Left Side

Removal Procedure

    Object Number: 664832 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the exhaust manifold pipe nuts.
  3. Lower the vehicle.
  4. Remove the spark plugs. Refer to Spark Plug Replacement in Engine Controls - 6.0L.

    5. Object Number: 492766 Size: SH
  5. Remove the heat shield bolts (3) and shield (2) from the exhaust manifold (1).

    6. Object Number: 741552 Size: SH
  6. Remove the exhaust manifold bolts, manifold, and gasket.
  7. Discard the gasket.
  8. Clean and inspect the exhaust manifold. Refer to Exhaust Manifold Cleaning and Inspection in Engine Mechanical - 6.0L.

Installation Procedure

    Object Number: 741552 Size: SH

    Important: 

       • Tighten the exhaust manifold bolts as specified in the service procedure. Improperly installed and/or leaking exhaust manifold gaskets may affect vehicle emissions and/or On-Board Diagnostics (OBD) II system performance.
       • The cylinder head exhaust manifold bolt hole threads must be clean and free of debris or thread locking material.

    Important: Do not apply sealant to the first 3 threads of the bolt.

  1. Apply a 5 mm (0.2 in) wide band of thread lock GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the threads of the exhaust manifold bolts.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the exhaust manifold, NEW gasket, and bolts.

    3. Tighten

    1. Tighten the exhaust manifold bolts a first pass to 25 N·m (18 lb ft). Tighten the exhaust manifold bolts beginning with the center 2 bolts. Alternate from side-to-side, and work toward the outside bolts.
    2. Tighten the exhaust manifold bolts a final pass to 25 N·m (18 lb ft). Tighten the exhaust manifold bolts beginning with the center 2 bolts. Alternate from side-to-side, and work toward the outside bolts.
  3. Using a flat punch, bend over the exposed edge of the exhaust manifold gasket at the rear of the left cylinder head.

    4. Object Number: 492766 Size: SH
  4. Install the heat shield (2) and bolts (3) to the exhaust manifold (1).

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

  5. Install the spark plugs. Refer to Spark Plug Replacement in Engine Controls - 6.0L.
  6. Raise the vehicle.

    7. Object Number: 664832 Size: SH
  7. Install the exhaust manifold pipe nuts.

    8. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  8. Lower the vehicle.