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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 766 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSFLOOR PANEL HEAT SHIELD REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z

Installation Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. If vehicle is a crew cab pick-up truck, install the exhaust heat shields to the studs.
    Fig 1: Installing Exhaust Heat Shield (Crew Cab Pick-Up Truck)
    GM707411Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice .
  2. Install the exhaust heat shield nuts.

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

  3. If vehicle is a extended cab pick-up truck, install the exhaust heat shield (1, 2) to the studs.
    Fig 2: Installing Exhaust Heat Shield (Extended Cab Pick-Up Truck)
    GM707409Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust heat shield nuts.

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

  5. If vehicle is a regular cab pick-up truck, install the exhaust front heat shield (1) and/or the exhaust heat shield (2) to the studs.
    Fig 3: Installing Exhaust Heat Shield (Regular Cab Pick-Up Truck)
    GM707403Courtesy of GENERAL MOTORS CORP.
  6. Install the exhaust heat shield nuts.

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

  7. Install the exhaust front heat shield to the studs.
    Fig 4: Installing Exhaust Front Heat Shield
    GM707400Courtesy of GENERAL MOTORS CORP.
  8. Install the exhaust front heat shield nuts.

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

  9. Install the catalytic converter, if necessary. Refer to Catalytic Converter Replacement (4.3L, 4.8L, and 5.3L Engines) , Catalytic Converter Replacement (6.0L and 8.1L Engines)  or Catalytic Converter Replacement (6.6L Engine) .
  10. Install the exhaust manifold pipe, if necessary. Refer to Exhaust Manifold Pipe Replacement (6.0L, 6.6L, 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.