Isuzu Ascender 2003-05

General Information

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CAUTION
Some vehicles are equipped with an air bag system. The system must be disarmed before performing service on, or around, system components, the steering column, instrument panel components, wiring and sensors. Failure to follow the safety precautions and the disarming procedure could result in accidental air bag deployment, possible injury and unnecessary system repairs.

Clockspring Centering




NOTE
The new SIR coil assembly will be centered. Improper alignment of the SIR coil assembly may damage the unit, causing an inflatable restraint malfunction.



Click image to see an enlarged view

Fig. Steering column shaft and related components

  1. Verify the following conditions before centering the SIR coil.
    1. The wheels on the vehicle are straight ahead.
    2.  
    3. The block tooth (1) of the steering shaft assembly is in the 12 o'clock position.
    4.  
    5. The ignition switch assembly is in the LOCK position.

      Click image to see an enlarged view

      Fig. View of clockspring 1

    6.  

  2.  
  3. If the front (5) of the SIR coil has a centering window (4), and the back side (2) has a spring service lock (1), perform the following steps.
    1. Hold the coil with the face up.
    2.  
    3. While depressing the spring service lock, rotate the coil hub clockwise until the coil ribbon stops.
    4.  
    5. Rotate the coil hub slowly, counterclockwise, until the centering window appears yellow and both arrows (3) line up.
    6.  
    7. Release the spring service lock between the locking tab. The SIR coil is now centered.
    8.  
    9. Align the centered SIR coil with the horn tower and slide onto the steering shaft assembly.

      Click image to see an enlarged view

      Fig. View of clockspring 2

    10.  

  4.  
  5. If the front (4) of the SIR coil has a centering window (3) and the back side (1) has NO spring service lock, perform the following steps:
    1. Hold the coil with the face up.
    2.  
    3. Rotate the coil hub clockwise until the coil ribbon stops.
    4.  
    5. Rotate the coil hub slowly, counterclockwise until the centering window appears yellow and both arrows (2) line up. This is the center position.
    6.  
    7. While holding the coil hub in the center position, align the coil with the horn tower and slide the coil onto the steering shaft assembly.

      Click image to see an enlarged view

      Fig. View of clockspring 3

    8.  

  6.  
  7. If no centering window is present on the front side (3) of the SIR coil, but a spring service lock (1) is on the back side (2), perform the following steps.
    1. Hold the coil with the back side up.
    2.  
    3. While depressing the spring service lock, rotate the coil hub in the direction of the arrow (4) until the coil ribbon stops.
    4.  
    5. Still pressing the spring service lock, rotate the coil hub in the opposite direction 2½ revolutions.
    6.  
    7. Release the spring service lock between the locking tabs. The SIR coil is now centered.
    8.  
    9. Align the centered coil with the horn tower and slide the coil onto the steering shaft assembly.

      Click image to see an enlarged view

      Fig. View of clockspring 4

    10.  

  8.  
  9. If no centering window appears on the front side (2) of the SIR coil and no spring service lock exists on the back side (1), perform the following steps:
    1. Hold the coil with the face up.
    2.  
    3. Rotate the coil hub in the direction of the arrow until the coil ribbon stops.
    4.  
    5. Rotate the coil hub, slowly, counterclockwise, for 2½ revolutions. This is the center position.
    6.  
    7. While maintaining the coil hub in the center position, align the centered coil with the horn tower and slide the coil onto the steering shaft assembly.
    8.  

  10.  

 
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