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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 908 (Engine Controls And Fuel - 6.6L (LMM) - Introduction (2 Of 2)) >> Repair Instructions >> Exhaust Pressure Differential Sensor Replacement (Cab/Chassis) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 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).
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