GM Cadillac 1967-1989 Repair Guide

Parking Brake Cables

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REMOVAL AND INSTALLATION



See Figures 1, 2, 3 and 4

Front Cable
  1. Raise the front of the vehicle and support it on safety stands.
  2.  
  3. Disconnect the front cable from the intermediate cable at the adjuster.
  4.  
  5. Disengage the cable housing retainer at the point where the cable passes through the underbody.
  6.  
  7. Lower the vehicle and remove the left side dash close-out panel.
  8.  
  9. Disconnect the cable at the pedal assembly and remove the cable.
  10.  

To install:
  1. Position the cable in the car and install the cable end in the pedal assembly.
  2.  
  3. Install the left dash close-out panel.
  4.  
  5. Raise and support the vehicle again.
  6.  
  7. Connect the front cable to the intermediate cable and adjust the parking brake.
  8.  

Intermediate Cable

  1. Raise the front of the vehicle and support it on safety stands.
  2.  
  3. Disconnect the front cable from the intermediate cable at the adjuster.
  4.  
  5. Remove the adjuster from the cable.
  6.  
  7. Disconnect the intermediate cable and both rear cables at the equalizer.
  8.  
  9. Remove the cable from the vehicle.
  10.  

To install:
  1. Position the intermediate cable through the retainers.
  2.  
  3. Reconnect all cables to the equalizer.
  4.  
  5. Connect the intermediate cable to the front cable at the adjuster. Adjust the parking brake.
  6.  

Rear Cables

  1. Raise the front of the vehicle and support it on safety stands.
  2.  
  3. Loosen the cable at the adjuster.
  4.  
  5. Disconnect all cables at the equalizer.
  6.  
  7. Disengage the cable housing retainer from the rear suspension crossmember assembly.
  8.  
  9. Remove the cable from the caliper assembly and then remove the cable.
  10.  

To install:
  1. Position the cables in the retainers.
  2.  
  3. Install the cable in the caliper assembly.
  4.  
  5. Reconnect all cables at the equalizer.
  6.  
  7. Adjust the parking brake.
  8.  

ADJUSTMENT



Rear Drum Brakes

The need for parking brake adjustment is indicated if the parking brake pedal travel is more than 15 clicks under heavy foot pressure.

  1. Depress the parking brake pedal exactly 4 ratchet clicks.
  2.  
  3. Jack up the car and safely support it with jackstands.
  4.  
  5. Tighten the adjusting nut until the left rear wheel can just be turned rearward using two hands, but is locked when forward rotation is attempted.
  6.  
  7. With the mechanism totally disengaged, the rear wheels should turn freely in either direction with no brake drag.
  8.  

It is very important that the parking brake cables are not adjusted too tightly causing brake drag.

  1. Remove the jackstands and lower the car.
  2.  

Rear Disc Brakes

For adjustment on 1986-89 Eldorado and Sevilles, please refer to the Rear Disc Brake Caliper (removal and installation) section.

  1. Lubricate the parking brake cables at the underbody rub points and at the equalizer hooks. Make sure there is free movement at all cables, and that the parking brake pedal is in the fully released position.
  2.  
  3. Jack up the rear of the car and support it with jackstands.
  4.  
  5. Hold the brake cable stud from turning and tighten the equalizer nut until all cable slack is removed.
  6.  
  7. Make sure the caliper levers are against the stops on the caliper housings after tightening the equalizer nut.
  8.  
  9. If the levers are off the stops, loosen the cable until the levers return to the stops.
  10.  
  11. Operate the parking brake pedal several times to check the adjustment. When the cable is adjusted, the parking brake pedal should travel 4-5 inches (102-127 Nm) with about 125 pounds of force on the pedal.
  12.  
  13. After the adjustment, the levers must be on the caliper stops. Back off the brake adjustment if necessary to keep the levers on the stops. Remove the jackstands and lower the car.
  14.  



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Fig. Fig. 1: Parking brake cables and retainers - 1986-89 Eldorado and Seville



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Fig. Fig. 2: Parking brake system details - Full Size models



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Fig. Fig. 3: Removing the parking brake cable from the brake backing plate



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Fig. Fig. 4: Common parking brake adjustment

 
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