GM Corvette 1984-1996 Repair Guide

Seats

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REMOVAL & INSTALLATION



1984-92 Vehicles

See Figure 1

EXCEPT 1984-88 POWER SEATS
  1. Move the seat to the full forward position, then fold the seat back forward for access to the support bracket rear bolts or floor pan studs and nuts. Unfasten the bolts/nuts.
  2.  
  3. 1989-92 vehicles driver side seats, remove the jack wheel wrench handle.
  4.  
  5. Reposition the seat back, then slide the seat rearward.
  6.  
  7. Either move the carpeting away at the edges of the seats, or remove the seat adjuster cover for access to the support front bolts and nuts. You may have to pry the seat adjuster cover retainers out with a suitable prytool.
  8.  
  9. Remove the seat adjuster front nuts.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of a manual seat assembly-1989 vehicle shown

Vehicles with power seats required removing the seat cushion to get to 1 of the 2 electrical connectors The connection under the seat cushion is attached to the seat frame with a push-on type fastener.

  1. If equipped, detach the electrical connectors.
  2.  
  3. Remove the seat from the vehicle. If replacing the seat, transfer all necessary components to the new seat.
  4.  

On 1991-92 vehicles, make sure that the power seat wiring harness is protected with a 4 in. section of plastic hose which is split and taped to cover the harness at the gear nut support bracket. This hose protects the harness from shorting with the weight of a person on the seat.

  1. Installation is the reverse of the removal procedure.
  2.  

1984-88 Power seats

The drivers seat is attached to the floor pan with 4 nuts secured to the floor pan. There are electrical connectors from the motor to the switch, and from the switch harness to the body harness.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the seat cushion for access to the adjuster bolts.
  4.  
  5. Remove the seat assembly-to-adjuster bolts, then remove the seat.
  6.  
  7. Remove the front adjuster leg trim covers.
  8.  
  9. Remove the power seat mechanism-to-floor pan stud nuts.
  10.  
  11. Unplug the wire connector from the adjuster and power seat mechanism.
  12.  
  13. Unfasten the cable retainer-to-motor screws, then remove the cable.
  14.  
  15. Remove the vertical adjuster spring, pry off or out of slot with a suitable prytool.
  16.  
  17. Remove the cotter pins from the left side adjuster and split the carriage. You may need to lightly tap with a mallet to disengage the driveshaft at the transmission. The shaft is tubular and is fitted over a mating shaft at the transmission.
  18.  
  19. Remove the driveshaft by prying it out at the left adjuster.
  20.  
  21. Remove the adjuster from the rack and seat mounting.
  22.  
  23. Remove the horizontal adjuster springs.
  24.  
  25. Remove the bolts from the spring retainer.
  26.  
  27. Remove the rack from the adjuster at the carriage assembly.
  28.  

To install:
  1. Align the adjuster in the rack and slide the block to the other slide. Place the plastic side blocks on the mating surface to the rack and gear.
  2.  
  3. Installation is the reverse of the removal procedure, with the following exceptions:
    1. Make sure to align the adjusters before replacing them.
    2.  
    3. The adjuster can be moved into position using the motor to access the attaching bolts.
    4.  

  4.  

1993-96 Vehicles

See Figures 2, 3 and 4

Seat Wth Adjusters
  1. Move the seat to the full forward position, then fold the seat back forward.
  2.  
  3. If removing the drivers side seat, remove the jack handle and retainers.
  4.  
  5. Remove the nuts rear of the adjuster to the floor studs.
  6.  
  7. Move the seat rearward.
  8.  
  9. Remove the seat cushion, then detach the electrical connector, if equipped.
  10.  
  11. If equipped with sport seats, perform the following:
  12.  

Do NOT overbend the locking tabs when disassembling the vacuum hose under the right seat. The tabs will break if they are bent too far, which will require replacing the hose.

  1. Disconnect the vacuum hose from the connector (right seat), or from the solenoid (left seat).
  2.  
  3. Detach the solenoid harness connector.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the base seat assembly, sport seat similar



Click image to see an enlarged view

Fig. Fig. 3: View of the drivers side sport seat components



Click image to see an enlarged view

Fig. Fig. 4: Passengers side sport seat components

    1. If removing the left seat, remove the retainer, strap and relay module.
    2.  


  1. Remove the front adjuster covers by carefully prying out the retainers.
  2.  
  3. Remove the front of the adjusters-to-floor stud nuts.
  4.  
  5. Remove the seat assembly with the adjusters.
  6.  
  7. Installation is the reverse of the removal procedure. Tighten the adjuster nuts to 20 ft. lbs. (27 Nm).
  8.  

Seat Without Adjusters
  1. Remove the seat cushion, then detach the electrical connector, if equipped.
  2.  
  3. If equipped with sport seats, perform the following:
  4.  

Do NOT overbend the locking tabs when disassembling the vacuum hose under the right seat. The tabs will break if they are bent too far, which will require replacing the hose.

    1. Disconnect the vacuum hose from the connector (right seat), or from the solenoid (left seat).
    2.  
    3. Detach the electrical connector from the harness (right side) or solenoid (left side).
    4.  
    5. If removing the left seat, remove the retainer, strap and relay module.
    6.  


  1. Remove the seat frame-to-adjuster bolts.
  2.  
  3. Remove the seat assembly.
  4.  
  5. Installation is the reverse of the removal procedure. Tighten the seat-to-adjuster bolts to 20 ft. lbs. (27 Nm).
  6.  

 
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