Brake System
Rear drum brake repair procedure
In this manual: Brake System
37steps
~222min
4/5difficulty
Done 0 of 37
Removal
|
- Release the parking brake.
- Remove the rear wheel and tire.
Tightening torque: 88.3 ~ 108 N·m
- Remove the rear brake drum (A).

- Remove the upper return spring (A).

- Remove the lower return spring (A).

- Remove the shoe hold-down springs (A) and shoe hold-down pins (B), then remove the brake shoe (C). Do not damage the wheel cylinder dust boot.

- Remove the parking brake cable (A), then remove the brake shoe (B).

- Disconnect the brake tubes (A) from the wheel cylinder (B).

- Remove the bolts (C) and the wheel cylinder (B) from the backing plate (D).
Installation
|
- Apply sealant (C) between the wheel cylinder (B) and the backing plate (D), then install the wheel cylinder.

- Connect the brake tubes (A) to the wheel cylinder.
Tightening torque: 12.7 - 16.7 N·m
- Connect the parking brake cable (A) to the brake shoe.

- Install the brake shoes (C) on the backing plate. Be careful not to damage the wheel cylinder dust boots.

- Install the shoe hold-down pins (B) and the shoe hold-down springs (A).
- Clean the threaded portion of the adjuster sleeve (A) and push in the socket pin (B). Apply grease to the threads of the adjuster assembly. To shorten the strut, turn the adjusting bolt (C).

- Hook the shoe adjuster lever (C), then install it on the brake shoe.

- Install the adjuster assembly (B) and the upper return spring (A) in the correct direction. Be careful not to damage the wheel cylinder dust boot.

- Install the lower return spring (B).

- Apply brake cylinder grease or equivalent rubber lubricant to the sliding surfaces shown. Do not allow grease to contact the brake shoes.

- Apply brake cylinder grease or equivalent rubber lubricant to the ends of the brake shoes and the opposing edges of the shoes as shown. Do not allow grease to contact the brake lining.

- Install the rear brake drum (A).
Tightening torque: 4.9 - 5.9 N·m

- If the wheel cylinder was removed, bleed the brake system.
- Depress the brake pedal several times to activate the self-adjusting brake.
- Adjust the parking brake.
Inspection
|
|
- Raise the rear of the vehicle and make sure it is securely supported.
- Release the parking brake and remove the rear brake drum.
- Inspect the wheel cylinder (A) for leaks.

- Inspect the brake shoes (B) for cracks, glazing, wear and contamination.
- Measure the brake lining thickness (C). The measurement does not include the shoe thickness. Brake lining thickness Standard: 4.5 mm (0.177 in) Service limit: 1.0 mm (0.039 in)
- If the brake lining thickness is less than the service limit, replace the brake shoes as a set.
- Check the bearings in the hub assembly for smooth rotation. If necessary, replace them.
- Measure the inside diameter of the brake drum with a caliper. Brake drum inside diameter Standard: 203.2 mm (8.0 in) Service limit: 205.2 mm (8.079 in) Brake drum out-of-round Maximum limit: 0.06 mm (0.00236 in)

- If the brake drum inside diameter exceeds the service limit, replace the brake drum.
- Inspect the brake drum for scoring, grooves and cracks.
- Inspect the brake shoe and drum for proper contact.

- Inspect the outside of the wheel cylinder for excessive wear and damage.
- Inspect the backing plate for wear or damage.
Test yourself
A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.
Was this page helpful?

