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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 Pipe Replacement (Pickup) >> Installation Procedure

Installation 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 Exhaust Differential Pressure Sensor Pipe Assembly
    GM1873499Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure to route the pipe assembly over the frame crossmember.
  1. Position and install the exhaust differential pressure sensor pipe assembly to the vehicle.
    2. Fig 2: View Of Exhaust Differential Pressure Sensor Pipe Assembly Fittings
    GM1873498Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  2. Tighten the exhaust differential pressure sensor pipe assembly fittings (1).

    Tighten:  Tighten the fittings to 45 N.m (33 lb ft).

    3. Fig 3: View Of Exhaust Differential Pressure Sensor Pipe Bracket Bolt & Nut
    GM1873495Courtesy of GENERAL MOTORS CORP.
  3. Position the exhaust differential pressure sensor pipe bracket to the exhaust hanger and install the bolt and nut.

    Tighten:  Tighten the bracket bolt/nut to 9 N.m (80 lb in).

    4. Fig 4: View Of Exhaust Differential Pressure Sensor, Bracket Bolts & Pipe Assembly Hose Clamps
    GM1873483Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust differential pressure sensor pipe assembly hoses to the sensor.
  5. Position the exhaust differential pressure sensor pipe assembly hose clamps (3).
  6. Lower the vehicle.
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