Parking Brake System: Adjustments
CABALLERO & EL CAMINO
1. Raise and support rear of vehicle.
2. Apply parking brake two clicks on 1980---85 models, or three clicks on 1986---87 models.
3. Tighten adjusting nut until left rear wheel can just be rotated rearward, but is locked when forward rotation is attempted.
4. Release parking brake and check to ensure rear wheels rotate freely in either direction with no brake drag.