Brake Pad: Service and Repair
Removal1. Hoist vehicle and remove wheel.
2. Remove caliper pin bolts (2).
3. Remove E-ring from strut and then remove caliper (1) from caliper carrier.
NOTE: Hang removed caliper (1) with a wire hook (2) or the like so as to prevent brake hose from bending and twisting excessively or being pulled. Don't operate brake pedal with pads removed.
4. Remove pads (3).
Installation
NOTE: Before installation, inspect the parts.
1. Install pad clips (1) and pads (2).
NOTE: Install pad with sensor to body center side of caliper.
2. Install caliper and torque caliper (slide) pin bolts (1) to specification.
NOTE: Make sure that boots are fit into groove securely.
Tightening torque
Caliper pin bolt (a): 50 Nm (5.0 kgf-m, 36.5 ft. lbs.)
Caliper pin bolt (b): 85 Nm (8.5 kgf-m, 61.5 ft. lbs.)
3. Torque front wheel nuts to specification.
Tightening torque
Wheel nut (a): 100 Nm (10.0 kgf-m, 72.5 ft. lbs.)
4. Upon completion of installation, perform brake test.
Inspection
Brake Pad
Check pad lining for wear. When wear exceeds limit, replace with new one
CAUTION: Never polish pad lining with sandpaper. If lining is polished with sandpaper, hard particles of sandpaper will be deposited in lining and may damage disc. When pad lining requires correction, replace it with a new one.
NOTE: When pads are removed, visually inspect caliper for brake fluid leak. Correct leaky point, if any.
Front disc brake pad thickness (lining + rim) "a"
Standard: 15.0 mm (0.590 inch)
Limit: 7.0 mm (0.275 inch)
Brake Disc
Before this inspection, brake pads must be removed.
Check disc surface for scratches in wearing parts. Scratches on disc surface noticed at the time of specified inspection or replacement are normal and disc is not defective unless they are serious.
But when there are deep scratches or scratches all over disc surface, replace it. When only one side is scratched, polish and correct that side.
Front brake disc thickness "a"
Standard: 22 mm (0.866 inch)
Limit: 20 mm (0.787 inch)
Use wheel nuts (1) and suitable plain washers (2) to hold the disc securely against the hub, then mount a dial gauge (3) as shown in the figure and measure the runout at 25 mm (0.98 inch) from the outer edge of the disc.
NOTE: Check front wheel bearing for looseness before measurement.
Front brake disc deflection
Limit: 0.15 mm (0.006 inch)
Slide Pin Bolt/Cylinder Slide Pin
Check slide pin (bolt) for smooth movement as shown in the figure.
If it is found faulty, correct or replace. Apply rubber grease to slide pin (bolt) outer surface. Rubber grease should be the on whose viscosity is less affected by such low temperature a -40°C (-40°F).
"A": Apply grease
Dust Boot
Check boot for breakage, crack and damage. If defective, replace.