Parking Brake Drum: Service and Repair
PARKING BRAKE LINING AND DRUMREMOVAL AND INSTALLATION
Pre-removal & Post-installation Operation:
Removal Steps 1-21:
Removal Steps 22:
REMOVAL SERVICE POINTS
[A] REAR BRAKE CALIPER ASSEMBLY REMOVAL
1. Remove the rear brake caliper assembly with the brake hose kept attached.
2. Secure the removed rear brake caliper assembly with a wire or other similar material at a position where it will not interfere with the removal and installation works.
[B]REAR BRAKE DISC REMOVAL
If the rear brake disc removal is difficult, install bolts (M8 x 1.25 mm) shown in the figure, and tighten them evenly and gradually to remove the rear brake disc.
INSTALLATION SERVICE POINTS
]A[ WASHER INSTALLATION
Install the washer in the direction shown in the illustration.
]B[ CHAMBER RETAINER INSTALLATION
Use pliers or a similar tool to close the chamber retainer end onto the pin.
]C[ ADJUSTER ASSEMBLY INSTALLATION
Install the adjuster assembly so that the shoe adjusting bolt is positioned at the rear of the vehicle for the left side, and at the front of the vehicle for the right side.
]D[ SHOE-TO-ANCHOR SPRING INSTALLATION
The shoe-to-anchor springs are not interchangeable because their spring loads are different. The one with blue paint must be installed to the vehicle front, and the other with yellow paint to the vehicle rear.
INSPECTION
BRAKE LINING THICKNESS CHECK
1. Measure the lining thickness at the most worn area.
Standard value: 2.8 mm (0.11 inch)
Limit: 1.0 mm (0.04 inch)
2. If the thickness is less than the limit value, replace the right and left shoe and lining assemblies as a set.
BRAKE DRUM INSIDE DIAMETER CHECK
1. Measure the inside diameter of the brake drum at two positions or more.
Standard value: 190.0 mm (7.48 inch)
Limit: 191.0 mm (7.52 inch)
2. If the inside diameter is more than limit value or if there is excessive wear, replace the brake disc.