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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 975 (Steering Wheel And Steering Column) >> Repair Instructions >> Steering Wheel Position Sensor or Steering Shaft Lower Bearing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Do not apply force to the sensor (1) or the bearing adapter (3) in a sideways direction.
    Fig 1: Aligning Sensor Onto The Steering Shaft And Into The Bearing Adapter
    GM835314Courtesy of GENERAL MOTORS CORP.
  1. If reusing the sensor, with the pin still installed, align the sensor onto the steering shaft (2) and into the bearing adapter (3).
    2. IMPORTANT: If installing a new sensor the sensor will come precentered. Do not remove the pin until installation is complete.
  2. Install the sensor onto the steering shaft (2) and into the bearing adapter (3).
  3. The sensor must be set to approximately 3 mm gap between the sensor and the bearing adapter.
    Fig 2: Setting Sensor Gap
    GM835316Courtesy of GENERAL MOTORS CORP.
  4. Install the sensor connector.
  5. Remove the pin from the sensor.
  6. Install the sensor retainer onto the steering shaft.
  7. Install the steering column to the vehicle. Refer to Steering Column Replacement .
  8. Remove J 42640  from the steering column.
    Fig 3: Identifying J 42640
    GM333146Courtesy of GENERAL MOTORS CORP.
  9. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 .
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