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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1756 (ENGINE CONTROLS - 6.6L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSBOOST SENSOR 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: Boost Sensor & Bracket
    GM740442Courtesy of GENERAL MOTORS COMPANY
  1. Position the bracket (1) over the sensor (2).
  2. Install the boost pressure sensor into the intake manifold and guide the bracket over the stud.
    3. Fig 2: Coolant Tube, Boost Sensor Electrical Connector & Bracket Nut
    GM740438Courtesy of GENERAL MOTORS COMPANY
  3. Reposition the coolant tube (1) over the stud.
  4. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the retaining nut (4).

    Tighten 

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

  5. Connect the electrical connector (2) to the boost pressure sensor (3).
  6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
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.