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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. If equipped with a 8 ft box, install the exhaust heat shield.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Exhaust Heat Shield (8 Ft. Box)
    GM707422Courtesy of GENERAL MOTORS CORP.
  2. Install the exhaust heat shield bolts.

    Tighten:  Tighten the exhaust heat shield bolts to 9 N.m (80 lb in).

    3. Fig 2: Exhaust Heat Shield (6 1/2 Ft. Box)
    GM707418Courtesy of GENERAL MOTORS CORP.
  3. If equipped with a 6 1/2 ft box, install the exhaust heat shield.
  4. Install the exhaust heat shield bolts.

    Tighten:  Tighten the exhaust heat shield bolts to 9 N.m (80 lb in).

  5. Install the spare tire hoist. Refer to Tire Hoist and Shaft Replacement in Tires and Wheels.
  6. Install the exhaust muffler. Refer to Muffler Replacement (4.3L, 4.8L, and 5.3L Engines)  or Muffler Replacement (6.0L, 6.6L, and 8.1L Engines) .
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