GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Cables

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REMOVAL & INSTALLATION



1988-93 Vehicles

See Figures 1, 2 and 3



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Fig. Fig. 1: Parking brake cable routing-1993 Lumina shown



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Fig. Fig. 2: Releasing the parking brake cable from the rear calipers



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Fig. Fig. 3: Unfastening the parking brake cable from the underbody bracket

FRONT CABLE
  1. Raise the vehicle and support with jackstands.
  2.  
  3. Loosen the equalizer under the drivers side door.
  4.  
  5. Remove the front cable from the left rear cable at the retainer.
  6.  
  7. Remove the nut at the underbody bracket.
  8.  
  9. Remove the clip from underbody.
  10.  
  11. Lower the vehicle.
  12.  
  13. Remove the cable from the parking brake lever assembly using a brake cable release tool J-37043 or equivalent.
  14.  

To install:
  1. Install the cable to the parking brake lever assembly.
  2.  
  3. Raise the vehicle and support with jackstands.
  4.  
  5. Install the clip to the underbody and the nut at the underbody bracket.
  6.  
  7. Install the front cable to the left rear cable at the retainer.
  8.  
  9. Adjust the cable as outlined in this section.
  10.  
  11. Lower the vehicle and check operation.
  12.  

LEFT REAR CABLE
  1. Raise the vehicle and support with jackstands.
  2.  
  3. Remove the spring from the equalizer under the drivers door and equalizer.
  4.  
  5. Remove the left rear cable from the front cable at the retainer.
  6.  
  7. Remove the cable retainer and cable from the caliper parking lever bracket using a cable release tool J-37043 or equivalent.
  8.  

To install:
  1. Install the cable to the bracket and cable support.
  2.  
  3. Install the cable to the brake lever and cable retainer.
  4.  
  5. Install the left rear cable to the front cable with the retainer.
  6.  
  7. Install the equalizer and spring.
  8.  
  9. Adjust the parking brake as outlined in this section.
  10.  
  11. Lower the vehicle and check operation.
  12.  

RIGHT REAR CABLE
  1. Raise the vehicle and support with jackstands.
  2.  
  3. Remove the spring from the equalizer under the driver's door and equalizer.
  4.  
  5. Remove the cable from the underbody bracket using a cable release tool J-37043 or equivalent.
  6.  
  7. Remove the bolts from the clips above the fuel tank.
  8.  
  9. Remove the cable retainer and cable from the caliper parking lever bracket using a cable release tool J-37043 or equivalent.
  10.  

To install:
  1. Position the cable above the fuel tank.
  2.  
  3. Install the cable to the bracket and cable support.
  4.  
  5. Install the cable to the brake lever and cable retainer.
  6.  
  7. Install the clips above the fuel tank.
  8.  
  9. Install the cable to the underbody brackets.
  10.  
  11. Install the equalizer and spring.
  12.  
  13. Adjust the parking brake as outlined in this section.
  14.  
  15. Lower the vehicle and check operation.
  16.  

1995-96 Vehucles

See Figures 4, 5, 6 and 7



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Fig. Fig. 4: Parking brake cable routing-1995 vehicle with rear disc brakes shown



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Fig. Fig. 5: Parking brake cable routing-1995 vehicle with rear drum brakes shown



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Fig. Fig. 6: Release the parking brake cable from the rear caliper-1995 vehicle shown



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Fig. Fig. 7: Release the parking brake cable from the underbody bracket

This vehicle is equipped with coated parking brake cable assemblies. The wire strand is coated with a clear plastic material which slides over plastic seals inside the conduit end fittings. This is for corrosion protection and reduced parking brake effort.

Handling of these cables during servicing of the parking brake system requires extra care. Damage to the plastic coating will reduce corrosion protection and if the damaged area passes through the seal, increased parking brake effort could result. Contact of the coating with sharp-edged tools, or with sharp surfaces of the vehicle underbody should be avoided.

To prevent damage to the threaded parking brake adjusting rod when servicing the parking brake, the following is recommended: before attempting to turn the adjusting nut, clean the exposed threads on each side of the nut; lubricate the threads of the adjusting rod before turning the nut.

If any one of the parking brake cables has been replaced, it is necessary to pre-stretch the new cable before adjusting the parking brake. To do this, apply the parking brake pedal several times. Fully release it each time. The parking brake pedal assembly, located on the dash panel left of the service brake pedal, is a push-to-release type mechanism which is APPLIED by depressing the pedal once and RELEASED by depressing the pedal again. No release handle is used.

This is a parking brake NOT a emergency brake. It is designed to hold the vehicle on a flat or an incline and will not stop a vehicle in motion.

FRONT CABLE
  1. Remove the lower door sill trim plate.
  2.  
  3. Remove the driver's side sound insulator panel.
  4.  
  5. Fold back the carpeting to expose the parking brake cable.
  6.  
  7. Raise and safely support the vehicle.
  8.  
  9. Loosen the parking brake cable at the equalizer.
  10.  
  11. Pull the front cable at the connector clip and attach loop of the shear strap to hook of the parking brake ratcheting.
  12.  
  13. Remove the parking brake front cable at the connector clip.
  14.  
  15. Remove the parking brake front cable clip from the underbody bracket using special tool J 37043 Brake Cable Release Tool or equivalent.
  16.  
  17. Remove the cable button end from the lever clevis.
  18.  
  19. Remove the parking brake cable from the parking brake assembly using special tool J 37043 or equivalent.
  20.  

To install:
  1. Install the cable into the vehicle and from inside the vehicle connect the parking brake cable housing to the parking brake lever assembly and fully seat the locking fingers.
  2.  
  3. Install the parking brake cable end to the lever clevis.
  4.  
  5. Feed the parking brake cable and snap clip to the underbody.
  6.  
  7. Install the carpeting.
  8.  
  9. Install the driver's side sound insulator.
  10.  
  11. Install the lower door sill trim plate.
  12.  
  13. From under the vehicle, connect the front cable to the left rear cable at the connector clip. Tighten the nut on the equalizer to remove cable slack.
  14.  
  15. Adjust the parking brake cable.
  16.  
  17. Lower the vehicle.
  18.  

LEFT REAR CABLE



  1. Raise and safely support the vehicle.
  2.  
  3. Loosen the cable at the equalizer assembly.
  4.  
  5. Disconnect the left rear cable from the front cable at the connector clip.
  6.  
  7. Disconnect the cable from the bracket.
  8.  
  9. Compress the locking fingers to disconnect the parking brake cable housing from the equalizer assembly using special tool J 37043 or the equivalent Brake Cable Release Tool.
  10.  
  11. Disconnect the parking brake cable end from the parking brake lever on the caliper, if equipped with rear disc brakes. If equipped with rear drum brakes, remove the rear wheel and brake drum. Disconnect the cable end from the brake shoe lever and disengage from the backing plate.
  12.  
  13. Disconnect the cable from the rear bracket and cable support and remove the cable from the vehicle.
  14.  

To install:
  1. Route the cable through the rear cable bracket and cable support.
  2.  
  3. Feed the cable through the equalizer and front cable bracket.
  4.  
  5. Fully seat the cable housing locking fingers into the equalizer assembly.
  6.  
  7. Connect the parking brake cable to the parking brake lever on the caliper, if equipped with rear disc brakes. If equipped with rear drum brakes, thread the cable end through the opening in the backing plate and then connect the cable end to the brake shoe lever.
  8.  
  9. Connect the left rear cable to the front cable at the connector clip.
  10.  
  11. Tighten nut on the equalizer to remove the parking cable slack.
  12.  
  13. Lower the vehicle.
  14.  
  15. Adjust the parking brakes.
  16.  

RIGHT REAR CABLE
  1. Raise and safely support the vehicle.
  2.  
  3. Remove the parking brake cable at the equalizer.
  4.  
  5. Remove the parking brake cable from the brake cable support assembly.
  6.  
  7. Remove the parking brake cable from the rear underbody bracket using special tool J 37043 or the equivalent.
  8.  
  9. Remove the two bolts from clips on the underbody rail.
  10.  
  11. Remove the parking brake cable from the backing plate and parking brake lever for vehicle equipped with drum brakes.
  12.  
  13. Remove the caliper parking brake lever and bracket using special tool J 37043 or the equivalent on vehicles equipped with rear disc brakes.
  14.  

To install:
  1. Install the parking brake cable in position on the underbody rail.
  2.  
  3. Install the two bolts to support clips above the knuckle hub support.
  4.  
  5. Install the parking brake cable to the backing plate and the parking brake lever on vehicle equipped with drum brakes.
  6.  
  7. Install the parking brake cable to the caliper parking brake lever and bracket on vehicles equipped with disc brakes. Tighten the bolts to 36 inch lbs. (4 Nm).
  8.  
  9. Feed the parking brake cable through the underbody bracket and snap conduit to the bracket.
  10.  
  11. Install the parking brake cable threaded rod to the equalizer.
  12.  
  13. Tighten the nut on the equalizer to remove the cable slack.
  14.  
  15. Safely lower the vehicle.
  16.  
  17. Adjust the parking brakes as required.
  18.  

ADJUSTMENT



See Figure 8

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Fig. Fig. 8: Parking brake cable adjustment specifications

  1. Apply the parking brake pedal three times with heavy force of about 175 lbs. (778 N).
  2.  

Do not apply the main/service brake pedal during the next step.

  1. Fully apply and release the parking brake three times.
  2.  
  3. Raise the vehicle and support with jackstands.
  4.  
  5. Matchmark the position of the wheel to the hub and bearing assembly.
  6.  
  7. Make sure the parking brake is fully released. Turn the ignition to the ON position. The BRAKE warning lamp should be OFF. If the BRAKE warning light is still on, pull downward on the front parking brake to remove the slack from the pedal assembly.
  8.  
  9. Remove the rear wheel and tire assemblies, then reinstall two lug nuts to retain the rotors.
  10.  
  11. The parking brake levers on both calipers should be against the lever stops on the caliper housing. If not against the stops, check for binding in the rear cables and/or loosen the cables at the adjustor until both left and right levers are against their stops.
  12.  
  13. Tighten the parking brake cable at the adjuster until either the right or left lever reaches the dimensions shown in the accompanying figure.
  14.  

Do not apply the main/service brake pedal during the next step.

  1. Operate the parking brake several times to check adjustments. A firm pedal should be present. The rear wheels should not rotate forward when the parking brake is fully applies. If necessary, repeat steps 8 and 9.
  2.  
  3. Remove the two wheel lug nuts, then install the rear wheel and tire assemblies.
  4.  
  5. Carefully lower the vehicle.
  6.  

Rear Drum Brakes
  1. Adjust the rear brakes, as outlined earlier in this section.
  2.  
  3. Apply the parking brake to 10 clicks, then release. Repeat 5 times.
  4.  
  5. Make sure the parking brake is fully released. Turn the ignition to the ON position. The BRAKE warning lamp should be OFF. If the BRAKE warning light is still on, pull downward on the front parking brake to remove the slack from the pedal assembly.
  6.  
  7. Raise and safely support the vehicle with jackstands.
  8.  
  9. Adjust the parking brake by turning the nut on the equalizer while spinning both rear wheels. When either rear wheel develops drag, stop adjusting and back OFF the equalizer 1 full turn.
  10.  
  11. Apply the parking brake to 4 clicks and check the rear wheel rotation. The wheel should not move when you attempt to rotate it, by hand, in a forward rotation. The wheel should drag or not move when attempting to rotate it in a rearward direction.
  12.  
  13. Release the parking brake and check for free wheel rotation.
  14.  
  15. Carefully lower the vehicle.
  16.  

 
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