GM Corvette 1984-1996 Repair Guide

Steering Wheel

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REMOVAL & INSTALLATION



1984-89 Vehicles

See Figures 1 and 2

  1. Disconnect the negative battery cable.
  2.  
  3. Squeeze the top and bottom of the horn cap to disengage the locking fingers, then pull back and remove the horn cap.
  4.  
  5. If equipped, carefully pull the horn contact plate from the steering wheel.
  6.  
  7. Disconnect the horn lead wire.
  8.  
  9. Remove the telescope lever screws and the shaft lock knob, then remove the telescope adjusting lever from the slot in the top of the steering wheel.
  10.  
  11. If equipped, remove the steering wheel nut retainer, then unfasten the wheel retaining nut.
  12.  
  13. Note the matchmarks on the steering wheel and shaft for alignment during installation. If you cant see any marks, use a marker or equivalent to make matchmarks.
  14.  
  15. Install a suitable steering wheel puller, then remove the steering wheel from the vehicle.
  16.  
  17. Remove the horn contact spring.
  18.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the steering wheel components-1984-88 vehicles



Click image to see an enlarged view

Fig. Fig. 2: Steering wheel removal and installation-1989 vehicles

To install:
  1. Install the horn contact spring.
  2.  
  3. Align the matchmarks, then position the steering wheel. Secure with the retaining nut and tighten it to 30 ft. lbs. (40 Nm). When tightening, do not force the steering shaft against the steering column "Lock".
  4.  
  5. Install the steering wheel nut retainer.
  6.  
  7. Install the telescope lever assembly through the slot in the top of the steering wheel. Install the shaft lock knob screw and tighten to 30 inch lbs. (2.8 Nm).
  8.  
  9. Position the telescope adjustment lever as far to the right as possible while aligning the screws holes, then install the screws and tighten to 40 inch lbs. (3.3 Nm).
  10.  
  11. Connect the horn electrical lead.
  12.  
  13. For 1984-88 vehicles, perform the following:
    1. Align the contact plate (with the horn lead wire on the bottom) and press it in place.
    2.  
    3. Align the horn cap with the openings in the contact plate.
    4.  
    5. Use 2 1 / 4 in. square spacers as shown in the accompanying figure to press the cap to seat the 2 locking fingers, then withdraw the spacers.
    6.  

  14.  
  15. For 1989 vehicles, secure the horn cap to the steering wheel.
  16.  
  17. Connect the negative battery cable.
  18.  

1990-96 Vehicles

See Figures 3 and 4


CAUTION
Some models covered by this guide may be equipped with a Supplemental Inflatable Restraint (SIR) system, which uses an air bag. Whenever working near any of the SIR components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SIR, as described in Chassis Electrical .

preferred method
  1. Properly disable the SIR system, as outlined in Chassis Electrical of this repair guide.
  2.  
  3. Remove the SIR inflator module as follows:
    1. Unfasten the screws from the back of the steering wheel retaining the inflator module to the steering wheel.
    2.  
    3. Remove the inflator module from the steering wheel.
    4.  
    5. Detach the CPA and SIR coil electrical connector from the inflator module.
    6.  

  4.  


CAUTION
When carrying a live inflator module, make sure the bag and trim cover and pointed away from you. Never carry the module by the wires or connector on the underside of the module. If the bag accidentally deploys, the bag will deploy with minimal chance of injury. When you place the inflator module on a bench or other surface, always face the bag and trim cover up, away from the surface. Refer to Chassis Electrical for more information about the air bag system.



Click image to see an enlarged view

Fig. Fig. 3: Exploded view of the SIR inflator module mounting-1990-96 vehicles


WARNING
Make sure to use the proper type of steering wheel puller or side screws. Using the wrong type could easily damage the SIR coil.

  1. Unfasten the steering wheel jam nut. Discard the nut and use a new one during installation.
  2.  
  3. Detach the horn electrical connector.
  4.  
  5. Note the matchmarks on the steering wheel and shaft for alignment during installation. If you cant see any marks, use a marker or equivalent to make matchmarks.
  6.  
  7. Install a suitable steering wheel puller and puller screws such as the type shown in the accompanying figure. Remove the steering wheel from the shaft. If the steering wheel does not come off easily, follow the "ALTERNATE METHOD" procedure.
  8.  



Click image to see an enlarged view

Fig. Fig. 4: The proper type of puller and side screws must be used when removing the steering wheel

To install:
  1. Attach the horn electrical connector.
  2.  
  3. Position the steering wheel on the column, observing the alignment marks (splines).
  4.  
  5. Install a new steering wheel jam nut and tighten to 30 ft. lbs. (41 Nm).
  6.  
  7. Install the inflator module, by performing the following steps:
    1. Make sure the ignition switch is OFF .
    2.  
    3. Attach the SIR coil electrical connector to the inflator module, then install the CPA retaining clip.
    4.  
    5. Positoin the inflator module to the steering wheel, then install the module retaining screws through the back of the steering wheel to the inflator module. Tighten the retaining screws to 86 inch lbs. (9.7 Nm).
    6.  

  8.  
  9. Properly enable the SIR system, as outlined in Chassis Electrical of this repair guide.
  10.  

alternate method
  1. Remove the inflator module, jam nut and horn connector as outlined under the "PREFERRED METHOD" procedure.
  2.  
  3. Install a suitable steering wheel puller (J 1859-A or equivalent), using J 38720 side screws. Make sure the side screws are fully threaded (up to shoulder) into the puller, then tighten the puller center screw snugly against the steering shaft.
  4.  
  5. Back out each side screw 1 revolution from the fully installed position. Retighten the puller center screw.
  6.  

Tightening the screws more that1/4turn at a time could damage the steering wheel.

  1. Alternately tighten each side screw 1 / 4 turn until you can remove the steering wheel.
  2.  
  3. To install, follow the procedure located under "PREFERRED METHOD".
  4.  

 
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