Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying SIR Front End Sensor
    GM1345601Courtesy of GENERAL MOTORS CORP.
  1. Install the front end sensor to the vehicle.
  2. NOTE: Refer to Fastener Notice .
  3. Install the 2 integral bolts that retain the front end sensor to the frame front crossmember.

    Tighten:Β  Tighten the bolts to 8 N.m (71 lb in).

  4. Connect the sensor electrical connector to the front end sensor.
  5. Install the CPA to the sensor electrical connector.
  6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  7. Enable the SIR system. Refer to SIR Disabling and EnablingΒ .
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.