GM Caprice 1990-1993 Repair Guide

Transmission

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REMOVAL & INSTALLATION



See Figures 1 through 5



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Fig. Fig. 1: Flywheel cover removal



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Fig. Fig. 2: Converter-to-flywheel bolts



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Fig. Fig. 3: Transmission-to-engine attaching bolts



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Fig. Fig. 4: Torque converter retaining strap



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Fig. Fig. 5: Transmission mount removal

  1. Disconnect the negative battery cable at the battery.
  2.  
  3. Remove the air cleaner assembly.
  4.  
  5. Disconnect the throttle valve (TV) control cable at the carburetor.
  6.  
  7. Remove the transmission oil dipstick. Unbolt and remove the dipstick tube.
  8.  
  9. Raise the vehicle and support it safely with jackstands.
  10.  

In order to provide adequate clearance for transmission removal, it may be necessary to raise both the front and the rear of the vehicle.

  1. Mark the relationship between the driveshaft and the rear pinion flange so that the driveshaft may be reinstalled in its original position.
  2.  
  3. Unbolt the universal joint straps from the pinion flange (use care to keep the universal joint caps in place), lower and remove the driveshaft from the vehicle. Place a transmission tailshaft plug or rag in place of the driveshaft to keep the transmission fluid from draining out.
  4.  
  5. Remove the floorpan reinforcement.
  6.  
  7. Disconnect the catalytic converter support bracket at the transmission.
  8.  
  9. Disconnect the speedometer cable, electrical connectors and the shift control cable from the transmission.
  10.  
  11. Remove the flywheel cover, then mark the relationship between the torque converter and the flywheel so that these parts may be reassembled in the same relationship.
  12.  
  13. Remove the 3 torque converter-to-flywheel attaching bolts. Remove the bolts by rotating the flywheel to access each bolt.
  14.  
  15. Support the transmission with a jack, then remove the transmission mount bolt.
  16.  
  17. Unbolt and remove the transmission crossmember.
  18.  
  19. Lower the transmission slightly. Disconnect the throttle valve cable and oil cooler lines from the transmission. Plug the transmission cooler lines to prevent leakage and dirt from entering.
  20.  
  21. Support the engine using Chevrolet special tool BT-6424 or its equivalent. Remove the transmission-to-engine mounting bolts. Install a suitable converter holding strap to retain the converter in position.
  22.  


CAUTION
The transmission must be secured to the transmission jack.

  1. Remove the transmission from the vehicle. Be careful not to damage the oil cooler lines, throttle valve cable, or the shift control cable. Also, keep the rear of the transmission lower than the front to avoid the possibility of the torque converter disengaging from the transmission.
  2.  

To install:
  1. To install, position the transmission and converter into place.
  2.  
  3. Install the transmission-to-engine mounting bolts.
  4.  
  5. Connect the throttle valve cable and oil cooler lines to the transmission.
  6.  
  7. Install the transmission crossmember and secure with bolts.
  8.  
  9. Install the transmission mount bolt.
  10.  
  11. Align the match mark on the torque converter and flywheel. Install the torque converter-to-flywheel attaching bolts.
  12.  

Before installing the converter-to-flywheel bolts, be sure that the weld nuts on the converter are flush with the flywheel, and that the converter rotates freely by hand in this position. This will ensure that the converter is properly engaged to the front pump of the transmission.

  1. Install the flywheel cover.
  2.  
  3. Connect the speedometer cable, electrical connectors and the shift control cable from the transmission.
  4.  
  5. Connect the catalytic converter support bracket at the transmission.
  6.  
  7. Install the driveshaft to the match mark made earlier to the driveshaft and axle pinion. Bolt the universal joint straps to the pinion flange.
  8.  
  9. Install the floorpan reinforcement.
  10.  
  11. Lower the vehicle.
  12.  
  13. Install the dipstick tube using a new dipstick tube O-ring and secure with the bolt. Install the transmission oil dipstick.
  14.  
  15. Connect the throttle valve (TV) control cable at TBI assembly.
  16.  
  17. Install the air cleaner assembly.
  18.  
  19. Connect the negative battery cable at the battery.
  20.  

 
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