GM Lumina/Silhouette/Transport APVs 1990-1999 Repair Guide

Steering Wheel

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CAUTION
Some models covered by this guide may be equipped with a Supplemental Restraint System (SRS), which uses an air bag. Whenever working near any of the SRS components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SRS, as described in Chassis Electrical . Removal & Installation Without Air Bags

Removal & Installation



Without Air Bags

See figure 69

This procedure is for vehicles that do not have a driver's side air bag incorporated into the steering wheel. Please see the following procedure, and refer to Chassis Electrical for disarming procedures and additional SRS warnings if the vehicle you are working on is equipped with an air bag

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the horn pad by gently prying with a thin bladed tool.
  4.  
  5. Disconnect the horn electrical lead. Push down on the horn lead and turn left; the wire and spring will then come out of the canceling cam tower.±
  6.  
  7. Matchmark the steering wheel and the shaft using a marker or equivalent.
  8.  
  9. Remove the steering wheel retainer and nut.
  10.  
  11. Use a suitable puller to remove the steering wheel from the shaft.
  12.  

See Figure 1

Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the steering wheel removal-vehicles without air bags

To install:
  1. Position the steering wheel on the shaft, aligning the matchmarks made during removal. Install the steering wheel retaining nut and tighten it to 30 ft. lbs. (40 Nm).
  2.  
  3. Install the retainer.
  4.  
  5. Attach the horn lead electrical connection. Push down on the horn lead and turn right into a lock position.
  6.  
  7. Install the horn pad.
  8.  
  9. Connect the negative battery cable.
  10.  

With Air Bags

  1. Properly disarm the Supplemental Retraint System (SRS), as outlined in Chassis Electrical of this repair guide.
  2.  
  3. If not already done, disconnect the negative battery cable.
  4.  
  5. Remove the steering wheel inflatable restraint module. The module is either secured with retaining bolts/screws on the backside of the module, or by leaf springs which are also located on the rear side of the module. To remove this type, use a suitable flat bladed tool to release the springs while gently pulling on the module.
  6.  

See Figures 2 and 3

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Fig. Fig. 2: Unfasten the module retaining screws



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Fig. Fig. 3: Exploded view of the inflatable restraint steering wheel module-Silhouette shown

  1. Detach the electrical connector from the steering wheel inflatable module, then remove the module and place it in a safe location with the pad facing up.
  2.  

See Figures 4 through 9

Click image to see an enlarged view

Fig. Fig. 4: Pull the inflator module partially away from the steering wheel ...



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Fig. Fig. 5: ... then remove the Connector Position Assurance (CPA) clip ...



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Fig. Fig. 6: ... and detach the module electrical connector



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Fig. Fig. 7: The electrical connector either attaches to either the module or the steering wheel, depending upon the model



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Fig. Fig. 8: Make sure to place the inflator module on a suitable workbench the pad facing up



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Fig. Fig. 9: View of the horn lead (A) and inflator module electrical connector (B)

  1. Matchmark the steering wheel and the shaft.
  2.  
  3. Loosen the steering wheel shaft nut and unthread it until it is flush with the end of the shaft.
  4.  
  5. Use a suitable puller to pull the steering wheel loose from the shaft.
  6.  
  7. Remove the steering wheel shaft nut, then remove the steering wheel from the shaft.
  8.  

See Figure 10

Click image to see an enlarged view

Fig. Fig. 10: Once the puller loosens the steering wheel from the shaft, you can remove the nut and then the steering wheel

To install:
  1. Route the SRS electrical connector through the steering wheel.
  2.  
  3. Align the matchmarks made during removal and tighten the steering wheel retaining nut to 33 ft. lbs. (45 Nm).
  4.  
  5. Attach the electrical connector to the steering wheel inflatable module.
  6.  
  7. Install the inflator module, using a reverse of the removal procedure.
  8.  
  9. Enable the SRS system, as outlined in Chassis Electrical of this repair guide.
  10.  
  11. If not already done, connect the negative battery cable.
  12.  

 
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