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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 952 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSFLOOR PANEL HEAT SHIELD REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Left Front Floor Panel Exhaust Heat Shield Nuts & Heat Shield
    GM1708990Courtesy of GENERAL MOTORS COMPANY
  1. Remove the catalytic converter, as required. Refer to one of the following:
  2. Remove the muffler assembly, as required. Refer to Exhaust Muffler Replacement (LC9, LMG, LZ1, L20) , Exhaust Muffler Replacement (L96) , Exhaust Muffler Replacement (L94 with MWN) .
  3. Remove the left front floor panel exhaust heat shield nuts and heat shield, as required.
    4. Fig 2: View Of Floor Panel Exhaust Heat Shield Nuts & Heat Shields
    GM1708991Courtesy of GENERAL MOTORS COMPANY
  4. If the vehicle is a Tahoe, Yukon, Yukon Denali, or a Escalade, remove the exhaust heat shield nuts and heat shields, as required.
    5. Fig 3: View Of Floor Panel Exhaust Heat Shield Nuts & Heat Shields
    GM1708992Courtesy of GENERAL MOTORS COMPANY
  5. If the vehicle is a Suburban, Yukon XL, Yukon Denali XL, Escalade ESV, Escalade EXT or a Avalanche, remove the exhaust heat shield nuts and heat shields, as required.
    6. Fig 4: View Of Rear Floor Panel Exhaust Heat Shield Nuts & Heat Shield
    GM1708993Courtesy of GENERAL MOTORS COMPANY
  6. Remove the rear floor panel exhaust heat shield nuts and heat shield, as required
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.