Drum Brake System: Service and Repair

REMOVAL
1. After removing the wheel, remove the brake drum.





2. Remove the shoe hold-down spring, the automatic adjuster spring and adjuster lever.
3. Spread the shoes and remove the shoe adjuster.





4. Remove the shoe to shoe spring and the shoe hold down spring.

INSPECTION





1. Measure the brake drum inside diameter.
Check the runout of the brake drum using a dial indicator.





2. Measure the brake shoe lining thickness.
3. Inspect the brake lining and drum for proper contact.
4. Inspect the wheel cylinder outside for excessive corrosion and damage.





5. Inspect the backing plate for wear or damage.

INSTALLATION





1. Apply the specified grease to the locations indicated in the illustration and to each component.
- Shoe and backing plate contact surfaces.
- Shoe and anchor plate contact surfaces.
2. Install the shoe hold down pin.
3. Assemble the return spring with the push rod shortened.





4. After assembling the drum components, pull the parking brake lever all the way up several times.