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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1756 (ENGINE CONTROLS - 6.6L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSAIR INTAKE PIPE REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet C3500 HD 8.1 G, Automatic

Installation Procedure

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Air Intake Pipe & Turbocharger
    GM741011Courtesy of GENERAL MOTORS COMPANY
  1. Clean the mating surfaces on the air intake pipe (1) and the turbocharger (3).
  2. Install the air intake pipe on the turbocharger.
  3. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the 3 air intake pipe mounting bolts.

    Tighten 

    Tighten the air intake pipe bolts to 10 N.m (89 lb in).

  4. Install air intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  5. Install PCV valve hose.
  6. Install glow plug relay assembly. Refer to Glow Plug Relay Replacement (California) , Glow Plug Relay Replacement (Federal) .
    7. Fig 2: Upper Intake Manifold Sight Shield
    GM658266Courtesy of GENERAL MOTORS COMPANY
  7. Install the upper intake manifold sight shield.

    Tighten 

    Tighten the upper intake manifold sight shield bolt to 9 N.m (80 lb in).

RENDER: 1.0x

NO RELATED

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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.