Brake Shoe: Service and Repair

Brake Shoes - Rear

Service Repair No - 70.40.09

Remove
1. Raise rear of vehicle.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

2. Remove rear road wheels.
3. Remove rear brake drums.





4. Depress brake shoe clips and turn to release, remove 2 clips and 2 retaining pins.





5. Release handbrake cable from brake shoe lever.





6. Ease one brake shoe out of retaining groove in abutment followed by the other shoe.





7. Manoeuvre brake shoe assembly around wheel cylinder and rear hub and remove brake shoe assembly.

CAUTION: Ensure edges of brake shoes do not damage wheel cylinder dust covers.





8. Fit an elastic band around wheel cylinder to retain pistons.





9. Noting their fitted position, release and remove return springs. Collect adjuster and expander.
10. Clean backplate and drum with brake cleaning fluid.

WARNING: Do not use petroleum based fluid as damage will occur to rubber components

11. Use a wire brush to remove any corrosion, take care not to damage wheel cylinder covers.

WARNING: Do not use compressed air to clean brake components. Dust from friction materials can be harmful if inhaled.

12. Inspect all parts for wear or damage.
13. Examine wheel cylinder dust seals for signs of brake fluid leakage, a certain amount of dampness is usual. However, if excessive fluid is apparent, lift dust seals and check for leakage. Renew wheel cylinders and brake shoes if linings are contaminated.
14. Check wheel cylinder pistons for freedom of movement.
15. Check brake adjuster threads, nut and handbrake linkage for wear. Renew if necessary.
16. Check condition of return springs and renew if necessary.
17. Ensure brake adjuster is fully off.

Refit
1. Position adjuster and expander to brake shoes and fit return springs.
2. Smear brake shoe contact points with Molykote 111 grease.
3. Remove elastic band from wheel cylinder.
4. Manoeuvre brake shoes around rear hub and locate to abutment and wheel cylinder.
5. Fit brake shoe retaining pins and secure with clips.
6. Connect hand brake cable to brake shoe lever.
7. Fit brake drum.
8. Apply brake pedal a min. of 30 times to ensure full adjustment of rear brake shoes after refitting.
9. Fit road wheel(s) and tighten nuts.
10. Remove stands and lower vehicle.