Parking Brake System: Service and Repair

Fig. 7 Parking Brake Assembly. FWD Models:

Fig. 8 Parking Brake Assembly. AWD Models:

Fig. 9 Installation Of Shoe To Anchor Spring:

Fig. 10 Installing Flange Nut. FWD Models:

1. Raise and support vehicle then remove wheels.
2. Remove rear disc caliper as outlined under CALIPER.
3. Disassemble parking brakes in numbered sequence shown in Figs. 7 and 8, noting the following:
a. When removing the speed sensor from knuckle, use care not to hit pole piece at its tip against the rotor teeth or other parts.
b. Using axle shaft holding tool No. MB990767-01, or equivalent, secure axle shaft and remove companion flange self locking nut.
c. Using axle shaft puller tool Nos. MB990211-01 and MB990241-01 or equivalent, remove axle shaft from trailing arm.
4. Reverse numbered sequence shown in Figs. 7 and 8 to assemble parking brakes, noting the following:
a. Install the shoe to anchor spring as shown in Fig. 9. Each shoe to anchor spring has a unique spring load and spring marked ``a'' is painted for identification. Figure shown is for left wheel.
b. Install adjuster facing left adjusting bolt to vehicle front and right adjusting bolt to vehicle rear.
c. Secure axle shaft using special tool and install companion flange self locking nut.
d. On FWD models, after tightening flange nut to specification, align with spindle's indentation and crimp, Fig. 10.
e. On all models, insert a .008-.028 inch filler gauge between speed sensor pole piece and rotor teeth and tighten speed sensor. Tighten speed sensor in position where gap is as specified over entire circumference.