Subaru 2009 IMPREZA, Service Manual

Page: 2622 / 3619

PB-8
Parking Brake Assembly (Rear Disc Brake)
PARKING BRAKE
C: INSPECTION
1) Measure the brake disc rotor inside diameter. If
the disc is scored or worn, replace the brake disc
rotor.
Disc rotor inside diameter:
Standard:
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 shoes.
Lining thickness:
Standard:
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) Return the parking brake lever fully.
2) Loosen the adjusting nut, and make the cable
free.
3) Remove the adjusting hole cover from the disc
rotor.
4) Using a flat tip screwdriver, turn the adjusting
screw in the direction of the arrow as shown in the
figure until the brake shoe is in close contact with
the disc rotor.
5) Loosen the adjusting screw by 5 notches to op-
posite direction of arrow.
CAUTION:
• Check there is no brake drag.
• If the amount that the adjusting screw is
turned back is little, securely loosen it by 5
notches to avoid dragging.
6) Install the adjusting hole cover to the disc rotor.
7) Adjust the parking lever stroke. <Ref. to PB-8,
LEVER STROKE, ADJUSTMENT, Parking Brake
Assembly (Rear Disc Brake).>
2. LEVER STROKE
1) Adjust the shoe clearance before adjusting lever
stroke. <Ref. to PB-8, SHOE CLEARANCE, AD-
JUSTMENT, Parking Brake Assembly (Rear Disc
Brake).>
2) Remove the parking lever cover.
3) Pull the parking brake lever hard 3 to 5 times.
4) Turn the adjusting nut until the lever stroke is at
the specified value.
Lever stroke:
7 to 8 notches when pulled with a force of 200
N (20.4 kgf, 45 lbf)
5) Check there is no brake drag.
6) Install the parking lever cover.
(1) Adjusting screw
(2) Flat tip screwdriver
(3) Disc rotor
(1)
(3)
(2)
PM-00537
(1) Adjusting nut (Self-locking nut)
PB-00054
(1)