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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2072 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSEXHAUST PRESSURE DIFFERENTIAL SENSOR REPLACEMENT (CAB/CHASSIS)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Chassis Wiring Harness Electrical Connector & Exhaust Differential Pressure Sensor
    GM1873482Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the chassis wiring harness electrical connector (1) from the exhaust differential pressure sensor (2).
    3. Fig 2: View Of Exhaust Differential Pressure Sensor, Bracket Bolts & Pipe Assembly Hose Clamps
    GM1873483Courtesy of GENERAL MOTORS CORP.
  3. Reposition the exhaust differential pressure sensor pipe assembly hose clamps (3).
  4. Remove the exhaust differential pressure sensor pipe assembly hoses from the sensor.
  5. Remove the exhaust differential pressure sensor bracket bolts (1).
  6. Remove the exhaust differential pressure sensor (2).
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.