GM Firebird 1982-1992 Repair Guide

Cables

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REMOVAL & INSTALLATION



Front Cable

See Figure 1



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Fig. Fig. 1: Lever and front cable

  1. Raise the car and support it with jackstands.
  2.  
  3. Remove the adjusting nut at the equalizer.
  4.  
  5. Remove the spring retainer clip from the bracket.
  6.  
  7. Lower the car. Remove the upper console cover and lower console rear screws.
  8.  
  9. Lift the rear of the lower console for access to the cable retainer at the hand lever.
  10.  
  11. Remove the cable retainer pin, cable retainer, then the cable.
  12.  

To install:
  1. Position the cable retainer pin, cable retainer, then the cable.
  2.  
  3. Install the upper console cover and lower console rear screws. Raise the car and support it with jackstands.
  4.  
  5. Install the spring retainer clip from the bracket.
  6.  
  7. Install the adjusting nut at the equalizer.
  8.  
  9. Adjust the parking brake. Lower the car.
  10.  

Rear Cable
DRUM BRAKES

See Figure 2



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Fig. Fig. 2: Rear cables


CAUTION
Brake shoes may contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

  1. Raise the car and support it with jackstands.
  2.  
  3. Loosen the adjusting nut at the equalizer.
  4.  
  5. Disengage the rear cable at the connector.
  6.  
  7. Remove the wheel assembly and brake drum.
  8.  
  9. Bend the retainer fingers.
  10.  
  11. Disengage the cable at the brake shoe operating lever.
  12.  

To install:
  1. Engage the cable at the brake shoe operating lever.
  2.  
  3. Bend the retainer fingers.
  4.  
  5. Install the wheel assembly and brake drum.
  6.  
  7. Engage the rear cable at the connector.
  8.  
  9. Adjust the parking brake by the adjusting nut at the equalizer.
  10.  
  11. Lower the car.
  12.  

DISC BRAKES
  1. Raise the car and support it with jackstands.
  2.  
  3. Loosen the adjusting nut at the equalizer.
  4.  
  5. Disengage the cable at the connector.
  6.  
  7. Push forward on the caliper parking brake apply lever. This allows the cable to be removed from the tang. Then, release the lever.
  8.  
  9. Pull on the caliper parking brake apply lever to engage the cable to the tang.
  10.  
  11. Engage the cable at the connector.
  12.  
  13. Adjust the parking brake cable by the adjusting nut at the equalizer.
  14.  
  15. Apply the parking brake 3 times with heavy pressure and repeat adjustment.
  16.  
  17. Lower the car.
  18.  

ADJUSTMENT



The parking brake cable is adjustable only on 1982-89 vehicles. All 1990-92 vehicles feature a self-adjusting parking brake.

Rear Drum Brakes
  1. Depress the parking brake lever exactly two ratchet clicks.
  2.  
  3. Raise the rear of the vehicle and support safely with jackstands.
  4.  
  5. Tighten the brake cable adjusting nut until the left rear wheel can be turned rearward with both hands, but locks when forward rotation is attempted.
  6.  
  7. Release the parking brake lever; both rear wheels must turn freely in either direction without brake drag.
  8.  
  9. Lower the vehicle.
  10.  

Rear Disc Brakes

See Figures 3 and 4



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Fig. Fig. 3: Free travel adjustment; 1990-92



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Fig. Fig. 4: Fabricated cable retainer compressing tool

  1. Apply the brake pedal 3 times with a pedal force of approximately 175 lbs. (778 N). Apply and release the parking brake 3 times.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Check the parking brake lever for full release:
    1. Turn the ignition ON .
    2.  
    3. The brake warning light should be OFF . If the brake warning light is still ON and the parking brake lever is completely released, pull downward on the front parking brake cable to remove slack from the lever assembly.
    4.  
    5. Turn the ignition switch OFF .
    6.  

  6.  
  7. Remove the rear wheels and tires. Reinstall 2 wheel nuts on each side to retain the brake rotors.
  8.  
  9. Pull the parking lever 4 clicks. The parking brake levers on both calipers should be against the lever stops on the caliper housings. If the levers are not against the stops, check for binding in the rear cables and/or loosen the cables at the equalizer nut until both left and right levers are against their stops.
  10.  
  11. Adjust the equalizer adjusting nut until the parking brake levers on both calipers just begin to move off their stops.
  12.  
  13. Back off the adjuster nut until the levers move back, barely touching their stops.
  14.  
  15. Operate the parking brake lever several times to check adjustment. After cable adjustment, the parking brake lever should travel no more than 14 ratchet clicks. The rear wheels should not turn forward when the parking brake lever is applied 8-16 ratchet clicks.
  16.  
  17. Release the parking brake lever. Both rear wheels must turn freely in both directions. The parking brake levers on both calipers should be resting on their stops.
  18.  
  19. Remove the wheel nuts retaining the rotors. Install the wheel and tire assemblies.
  20.  
  21. Lower the vehicle.
  22.  

 
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