Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Vacuum Line Fitting
    GM1614002Courtesy of GENERAL MOTORS CORP.
  1. Connect the vacuum line fitting (1) to the port on the bottom of the MAP sensor.
  2. Install the MAP sensor to the bracket.
  3. Fig 2: Identifying BARO, MAP & SCIAP Sensors
    GM1613998Courtesy of GENERAL MOTORS CORP.
  4. Connect the MAP sensor (3) electrical connector.
  5. Install the engine sight shield. Refer to Intake Manifold Sight Shield 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:

  • 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.