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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSMANIFOLD ABSOLUTE PRESSURE SENSOR REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying MAP Sensor And Bracket
    GM1731224Courtesy of GENERAL MOTORS CORP.
  1. Install the MAP sensor and bracket.
    2. NOTE: Refer to Fastener Notice .
  2. Install the MAP sensor bolt.

    Tighten:  Tighten the MAP sensor to 10 N.m (89 lb in).

    3. Fig 2: View Of Engine Harness Electrical Connector
    GM1731205Courtesy of GENERAL MOTORS CORP.
  3. Connect the MAP sensor electrical connector (2).
  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet 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.