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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> TRAILERING Systems >> Repair Instructions >> Trailer Tire Pressure Indicator Sensor Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

  1. GM5171281Courtesy of GENERAL MOTORS COMPANY

    Ensure that the sealing surfaces of the trailer tire pressure indicator sensor (1) and the wheel are clean of dirt and debris.

    2. NOTE:

    The air passage of the trailer tire pressure indicator sensor (1) must face away from the wheel.

  2. Trailer Tire Pressure Indicator Sensor (1) - Install
  3. GM5198525Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Apply light pressure when installing the tire pressure indicator sensor nut (1) to ensure its positioned correctly.

    Tire Pressure Indicator Sensor Nut (1) - Install and hand tighten

  4. GM5171330Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Wheel shown transparent for graphic clarity.

    Ensure that the trailer tire pressure indicator sensor (1) is properly oriented and flush with the wheel surface.

    5. CAUTION:

    Refer to Fastener Caution .

  5. Tire Pressure Indicator Sensor Nut (2) - Tighten - Fastener Specifications 
  6. Mount the tire to the wheel. Tire Dismounting and Mounting
  7. Install the trailer wheel and tire assembly using the trailer manufacturer recommended procedure and specifications.
  8. Remove the support and lower the trailer axle.
  9. Perform the trailer tire pressure sensor manual learn procedure. Trailer Tire Pressure Sensor Manual Learn .
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