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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1757 (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 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Front & Rear Exhaust Heat Shield & Nuts
    GM1856782Courtesy of GENERAL MOTORS CORP.
  1. If vehicle has a crew cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).
    3. Fig 2: View Of Front & Rear Exhaust Heat Shield & Nuts
    GM1856781Courtesy of GENERAL MOTORS CORP.
  3. If vehicle has a extended cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.
  4. Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).
    5. Fig 3: View Of Front & Rear Exhaust Heat Shield & Nuts
    GM1856779Courtesy of GENERAL MOTORS CORP.
  5. If vehicle has a regular cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the studs.
  6. Install the exhaust heat shield nuts and tighten to 9 N.m (80 lb in).
  7. Install the catalytic converter. Refer to Catalytic Converter Replacement (LY6 with Exhaust Flange)  or Catalytic Converter Replacement (L9H with Exhaust Flange)  or Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)  or Catalytic Converter Replacement (LFA with Exhaust Clamp)  or Catalytic Converter Replacement (LMM) .
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.