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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Exhaust Manifold Installation - Right

Exhaust Manifold Installation - Right

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the NEW exhaust manifold gaskets.
    Fig 1: Installing Exhaust Manifold Gaskets
    G02106469Courtesy of GENERAL MOTORS CORP.
  2. Install the exhaust manifold.
  3. Install the spark plug wire shields.
  4. If reusing the fasteners, apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or equivalent, to the threads of the exhaust manifold bolts.
    NOTE: Refer to FASTENER NOTICE .
  5. Install the exhaust manifold bolts.

    Tighten 

    1. 5.1. Tighten the exhaust manifold bolts on the first pass to 15 N.m (11 lb ft).
    2. 5.2. Tighten the exhaust manifold bolts on the final pass to 30 N.m (22 lb ft).
  6. Install the spark plug wires to the spark plug wire retainers.
  7. Install the spark plug wires onto the spark plugs.
    Fig 2: Installing Exhaust Manifold, Bolts & Spark Plug Wire Shields
    G02106470Courtesy of GENERAL MOTORS CORP.
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