Subaru Outback manuals

Subaru Outback: Parking Brake

General Description

A: SPECIFICATION

Subaru Outback. Parking Brake

B: COMPONENT

1. PARKING BRAKE (REAR DISC BRAKE)

Subaru Outback. Parking Brake

  1. Back plate
  2. Retainer
  3. Lever
  4. Parking brake shoe (Primary)
  5. Parking brake shoe (Secondary)
  6. Strut spring
  7. Strut
  8. Shoe guide plate
  9. Primary return spring
  10. Secondary return spring
  11. Adjusting screw
  12. Adjusting spring
  13. Shoe hold-down cup
  14. Shoe hold-down spring
  15. Shoe hold-down pin
  16. Wave washer

2. PARKING BRAKE ACTUATOR

Subaru Outback. Parking Brake

  1. Upper bracket
  2. Bushing
  3. Spacer
  4. Bushing
  5. Bracket
  6. Brake actuator
  7. Clamp
  8. Parking brake cable
  9. Tank bracket
  10. Cap
  11. O-ring

Tightening torque:N*m (kgf-m, ft-lb)
T1: 3 (0.31, 2.2)
T2: 7.5 (0.76, 5.5)
T3: 18 (1.84, 13.3)

C: CAUTION

D: PREPARATION TOOL

1. SPECIAL TOOL

Subaru Outback. Parking Brake

2. GENERAL TOOL

Subaru Outback. Parking Brake

Parking Brake System

A: WIRING DIAGRAM

Refer to "Parking Brake / Brake Fluid Level Warning Light System" in the wiring diagram. <Ref. to WI-194, WIRING DIAGRAM, Parking Brake / Brake Fluid Level Warning Light System.>

B: ELECTRICAL SPECIFICATION

Refer to "Control Module I/O Signal" of "PARKING BRAKE (DIAGNOSTICS)". <Ref. to PB(diag)-12, ELECTRICAL SPECIFICATION, Control Module I/O Signal.>

C: INSPECTION

Refer to "PARKING BRAKE (DIAGNOSTICS)". <Ref. to PB(diag)-2, Basic Diagnostic Procedure.>

D: NOTE

For procedure of each component in the parking brake system, refer to the respective section.

Parking Brake Actuator

A: REMOVAL

CAUTION: Since the parking brake actuator and parking brake cable are integrated as a unit, do not disassemble them.

1) Lift up the vehicle, and then remove the rear wheels.

2) Perform "Parking Brake Removal Mode" after connecting the Subaru Select Monitor. <Ref. to PB(diag)- 18, PARKING BRAKE REMOVAL MODE, OPERATION, Subaru Select Monitor.>

CAUTION: Be sure to lift up the vehicle before performing the "Parking Brake Removal Mode".

3) Disconnect the ground cable from battery.

4) Remove the fuel tank protector.

  1. Remove the bolts, and remove the fuel tank protector.
  2. Remove the clips.

Subaru Outback. Parking Brake

5) Remove the parking brake actuator.

  1. Remove the parking brake cable from parking brake assembly. <Ref. to PB-10, REMOVAL, Parking Brake Assembly (Rear Disc Brake).>
  2. Remove the bolt and detach the cable clamp.

Subaru Outback. Parking Brake

NOTE: Make a line marking to confirm the twist of parking cable, and then perform the following procedures:

  1. Push the lock (a), and pull up the lock lever (b).
  2. With the lock lever pulled up, disconnect the parking brake actuator connector.
  3. Remove the bolts and remove the parking brake actuator.

Subaru Outback. Parking Brake

B: INSTALLATION

1) Install the parking brake actuator assembly.

  1.  Connect the parking brake actuator connector.

CAUTION: Securely lock the locking connector (a).

Subaru Outback. Parking Brake

  1. Install the parking brake actuator.

Tightening torque: 18 N*m (1.84 kgf-m, 13.3 ft-lb)

  1. Check that the parking brake cable is not twisted, and install the cable clamps in the order of (a) to (f).

CAUTION:

Subaru Outback. Parking Brake

Tightening torque: 18 N*m (1.84 kgf-m, 13.3 ft-lb)

2) Install each part in the reverse order of removal.

3) Park the vehicle on a level ground with the four wheels on the ground.

4) Connect the Subaru Select Monitor to perform the following operations.

Parking Brake Assembly (Rear Disc Brake)

A: REMOVAL

1) Lift up the vehicle, and then remove the rear wheels.

2) Perform "Parking Brake Removal Mode" after connecting the Subaru Select Monitor. <Ref. to PB(diag)- 18, PARKING BRAKE REMOVAL MODE, OPERATION, Subaru Select Monitor.>

CAUTION: Be sure to lift up the vehicle before performing the "Parking Brake Removal Mode".

3) Disconnect the ground cable from battery.

4) Remove the rear disc brake caliper from the rear axle housing.

  1. Remove the bolt from the brake hose bracket.
  2. Remove the mounting bolts, and then remove the rear disc brake caliper.

Subaru Outback. Parking Brake

  1. Prepare wiring harnesses etc. to be discarded, and suspend the rear disc brake caliper from the shock absorber with the harnesses.

Subaru Outback. Parking Brake

5) Remove the rear disc brake rotor.

NOTE: If the disc rotor is difficult to remove, try the following two methods in order.

  1. Insert the flat tip screwdriver (b) into the brake adjustment hole (A), and rotate the adjusting screw (a) until the brake shoe moves far enough to remove the disc rotor (c).

Subaru Outback. Parking Brake

  1. When the disc rotor is difficult to be removed from the rear hub unit bearing, screw in 8 mm (0.31 in) bolt to the threaded part of the disc rotor (A), and remove the disc rotor.

Subaru Outback. Parking Brake

6) Remove the parking brake shoe (primary).

  1. Remove the primary and secondary return springs.
  2. Remove the shoe guide plate.

Subaru Outback. Parking Brake

  1. Remove the shoe hold-down cup (a), and remove the shoe hold-down spring.
  2. Remove the parking brake shoe (primary) (b).

Subaru Outback. Parking Brake

7) Remove the parking brake shoe (secondary).

  1. Remove the strut (a), strut spring (b), and adjusting screw (c).
  2. Remove the shoe hold-down cup (d), and remove the shoe hold-down spring (e).

Subaru Outback. Parking Brake

  1. Remove the parking brake cable (f) from lever (g).

Subaru Outback. Parking Brake

  1. Remove a retainer from the secondary side brake shoe.
  2. Remove the lever from the brake shoe.
  3. Remove the clamp, and remove the parking brake cable from the back plate.

B: INSTALLATION

1) Before assembly, check the brake disc rotor and brake shoe. <Ref. to PB-15, INSPECTION, Parking Brake Assembly (Rear Disc Brake).>

2) Install the parking brake cable to the back plate, and secure it with the clamp.

CAUTION: Be sure the lining surface is free from brake fluid and grease.

3) Apply brake grease to the following locations.

Brake grease: Brake Grease (Part No. 003602002)

4) Install the wave washer and lever to the secondary side brake shoe pin, and lock the retainer securely.

5) Install the parking brake cable to the lever.

6) Install the adjusting screw and adjusting spring to the brake shoe.

NOTE: Install the adjusting screw with the screw section facing toward the direction shown in the figure below.

Subaru Outback. Parking Brake

  1. Left wheel: front side of vehicle, right wheel: rear side of vehicle

7) Check that the parking brake cable does not fall from the cable guide.

8) Install the brake shoes to the back plate with shoe hold-down pins, shoe hold-down springs, and shoe hold-down cups.

9) Install the strut and strut spring to the brake shoes.

NOTE: Install the strut springs on front side of the vehicle.

10) Install the return springs on the primary side first, and then the secondary side.

11) Install the brake disc rotor and brake caliper.

12) Install the brake hose bracket.

Tightening torque: Refer to "COMPONENT" of "General Description". <Ref. to BR-4, COMPONENT, General Description.>

13) Adjust the parking brake. <Ref. to PB-15, ADJUSTMENT, Parking Brake Assembly (Rear Disc Brake).>

14) When replacing with the new brake shoe, connect the Subaru Select Monitor and perform the "Break-in Parking Brake Drive Mode". <Ref. to PB(diag)-19, BREAK-IN PARKING BRAKE DRIVE MODE, OPERATION, Subaru Select Monitor.>

15) After breaking-in, re-adjust the parking brakes. <Ref. to PB-15, ADJUSTMENT, Parking Brake Assembly (Rear Disc Brake).>

C: INSPECTION

1) Measure the inner diameter of the brake disc rotor.

If scoring or worn is found on the disk, replace the brake disc rotor.

Disc rotor inner diameter:
Specification: 190 mm (7.48 in)
Service limit: 191 mm (7.52 in)

2) Measure the lining thickness. If it exceeds the limit, replace the brake shoe.

Lining thickness:
Specification: 2.8 mm (0.11 in)
Service limit: 1.5 mm (0.059 in)

NOTE: Replace the right and left brake shoe as a set.

D: ADJUSTMENT

1. SHOE CLEARANCE

1) Lift up the vehicle, and then remove the rear wheels.

2) Remove the adjusting hole cover from the disc rotor.

3) Insert the flat tip screwdriver (b) into the brake adjustment hole (A), and rotate the adjusting screw (a) until the brake shoe contacts the disc rotor (c)

Subaru Outback. Parking Brake

4) Loosen the adjusting screw by 5 notches to opposite direction of arrow.

CAUTION:

5) Install the adjusting hole cover to the disc rotor.

6) Install the rear wheels and lower the vehicle.

7) Park the vehicle on a level ground with the four wheels on the ground.

8) Connect the Subaru Select Monitor to perform the "Force Sensor Calibration Mode". <Ref. to PB(diag)-18, FORCE SENSOR CALIBRATION MODE, OPERATION, Subaru Select Monitor.>

Parking Brake Switch

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the instrument panel lower cover.

  1. Remove the clips, and remove the instrument panel side cover LH.

Subaru Outback. Parking Brake

  1. Remove the clips and data link connector, and remove the instrument panel lower cover under.

Subaru Outback. Parking Brake

  1. Remove the screws and clips and release the claws, and remove the instrument panel lower cover while disconnecting the harness connectors.

Subaru Outback. Parking Brake

3) Remove the screws and remove the parking brake switch.

Subaru Outback. Parking Brake

B: INSTALLATION

Install each part in the reverse order of removal.

C: INSPECTION

1. PARKING BRAKE CONTROL SWITCH

Check the resistance between parking brake control switch terminals.

Subaru Outback. Parking Brake

Subaru Outback. Parking Brake

  1. Parking brake control switch
  2. Hill hold switch

NOTE: Replace the switch if the inspection result is not within the standard value.

2. HILL HOLD SWITCH

Check the resistance between hill hold switch terminals.

Subaru Outback. Parking Brake

Subaru Outback. Parking Brake

  1. Parking brake control switch
  2. Hill hold switch

NOTE: Replace the switch if the inspection result is not within the standard value.

Emergency Release of Electronic Parking Brake

A: OPERATION

CAUTION:

1) Shift the select lever to "P" range (AT or CVT model), or set the shift lever to "1st " or "R" position (MT model).

2) Stop the engine.

3) Set the wheel stoppers to tires.

4) Take out the electronic parking brake release tool from the vehicle service tools.

5) Insert the release tool to the parking brake actuator cap (a), and remove the cap by rotating it counterclockwise.

Subaru Outback. Parking Brake

6) Insert the release tool through the film into the parking brake actuator, and rotate the tool clockwise 200 to 250 turns.

Subaru Outback. Parking Brake

7) Install the cap removed in step 5).

Tightening torque: 3 N*m (0.31 kgf-m, 2.2 ft-lb)

8) When the emergency release of electronic parking brake was performed, be sure to perform the inspection related to the emergency release of electronic parking brake, regardless of whether the vehicle was running or not. <Ref. to PB-20, INSPECTION, Emergency Release of Electronic Parking Brake.>

B: INSPECTION

When the emergency release of electronic parking brake was performed, check the following points regardless of whether the vehicle was running or not.

NOTE: The actuator operates from lock to lock when recovering from the emergency release mode, and therefore it may take more than ten seconds to finish the operation.

General Diagnostic Table

A: INSPECTION

Subaru Outback. Parking Brake

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