Parking Brake - Revised Adjustment Procedure

9218chevy05

Number: 90-118-5


Section: 5

Date: December 1989

Corporate Bulletin No.: 975003


Subject:
PARKING BRAKE ADJUSTMENT


Model and Year:
1987-90 J CARS


TO: ALL CHEVROLET DEALERS

THE 1990 J CAR HAS BEEN ADDED TO THIS BULLETIN, THEREFORE, DEALER SERVICE BULLETIN NO. 89-119-5, DATED APRIL 1989 HAS BEEN CANCELLED. DISCARD ALL COPIES OF 89-119-5.

The service procedure for adjusting the park brake has been revised because of an increase in the number of teeth in the park ratchet mechanism. This change improves the "feel" of the park brake while applying it.

The only change to the service procedure is the number of clicks the brake is applied before the adjustment is made.

REVISED PROCEDURE:

1. If necessary (drums turned, or brake shoes replaced), adjust rear brakes as described in Section 5C2 of the service manual.

2. Lift parking brake lever to 5 ratchet clicks on all models with hand lever park brakes.

3. Raise car and suitably support. See Section 0A of the service manual.

NOTICE:
To prevent damage to the threaded parking brake adjusting rod when servicing the parking brake, clean and lubricate the exposed threads on each side of the nut.

4. Tighten adjusting nut on parking brake cable until the right rear wheel can just be turned rearward with two hands but cannot be turned forward.

5. Release parking brake. Rear wheels should now turn freely in either direction with no brake drag.

6. Lower car.