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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1117 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Right Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Inspect the catalytic converter seal/heat shield sealing surface. Replace the seal/heat shield if the sealing surface is worn or damaged.
    Fig 1: Removing & Installing Right Exhaust Manifold
    GM902881Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW exhaust manifold gasket to the exhaust manifold.
  2. Install the exhaust manifold with the gasket to the catalytic converter and the cylinder head.
  3. NOTE: Refer to Fastener Notice .
  4. Install the exhaust manifold bolts.

    Tighten:  Tighten the exhaust manifold bolts to 20 N.m (15 lb ft).

  5. Fig 2: View Of Right Catalytic Converter
    GM1221193Courtesy of GENERAL MOTORS CORP.
  6. Install the catalytic converter nuts.

    Tighten:  Tighten the catalytic converter nuts to 50 N.m (37 lb ft).

  7. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side .
  8. Inspect the exhaust system for leaks.