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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 948 (Engine Mechanical - 4.3L) >> Repair Instructions - Off Vehicle >> Exhaust Manifold Installation - Right Side

Exhaust Manifold Installation - Right Side

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Exhaust Manifold Gaskets
    GM328555Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW exhaust manifold gaskets.
  2. Fig 2: Exhaust Manifold Bolts
    GM188121Courtesy of GENERAL MOTORS CORP.
  3. Install the exhaust manifold.
  4. Install the spark plug wire shields.
  5. If reusing the fasteners, apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or equivalent, to the threads of the exhaust manifold bolts.
  6. NOTE: Refer to Fastener Notice .
  7. Install the exhaust manifold bolts.

    Tighten: 

    1. Tighten the exhaust manifold bolts on the first pass to 15 N.m (11 lb ft).
    2. Tighten the exhaust manifold bolts on the final pass to 30 N.m (22 lb ft).

  8. Install the spark plug wires to the spark plug wire retainers.
  9. Install the spark plug wires onto the spark plugs.