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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 304 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSFLOOR PANEL HEAT SHIELD REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban K2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban K2500, 6.0 USECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the exhaust heat shield to the studs.
  2. Install the exhaust heat shield nuts.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten 

    Tighten the nuts to 9 N.m (80 lb in).

    3. Fig 1: Installing Exhaust Heat Shield Nuts
    G02119491Courtesy of GENERAL MOTORS CORP.
  3. Install the exhaust front heat shield to the studs.
  4. Install the exhaust front heat shield nuts.

    Tighten 

    Tighten the nuts to 9 N.m (80 lb in).

    5. Fig 2: Installing Exhaust Front Heat Shield Nuts
    G02119492Courtesy of GENERAL MOTORS CORP.
  5. Install the catalytic converter, if necessary. Refer to CATALYTIC CONVERTER REPLACEMENT (4.8L AND 5.3L ENGINES)  or CATALYTIC CONVERTER REPLACEMENT (6.0L AND 8.1L ENGINES)  .
  6. Install the exhaust manifold pipe, if necessary. Refer to EXHAUST MANIFOLD PIPE REPLACEMENT (6.0L AND 8.1L ENGINES)  .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.