Brake Drum Inside Diameter; Rear Drum Brake Adjustment; Parking Brake (Rear Disc Brake) Adjustment - Subaru IMPREZA 2004 Service Manual

Brake drum inside diameter

Except for STi model
Standard value: 170 mm (6.69 in)
Wear limit: 171 mm (6.73 in)
STi model
Standard value: 190 mm (7.48 in)
Wear limit: 191 mm (7.52 in)
(B)
(A) Inside diameter
(B) Disk
3) If the deformation or wear of back plate, shoe,
etc. is noticeable, replace them.
4) When the shoe return spring tension is exces-
sively weakened, replace it.
B: ADJUSTMENT
1. REAR DRUM BRAKE
The main brake is adjusted automatically, and so
there is no need to adjust it.
2. PARKING BRAKE (REAR DISC BRAKE)
For rear disc brake, adjust the parking brake after
bleeding air.
1) Remove the rear cover (rubber) installed at back
plate.
2) Turn the adjuster toward arrow mark (upward)
until it is locked slightly, by using a flat tip screwdriv-
er as shown in illustration.
(A)
(A) Adjuster
(B) Cover (rubber)
(C) Back plate
Brake Linings and Drums
(A)
PM-00055
(B)
(C)
PM-00056
PERIODIC MAINTENANCE SERVICES
3) Turn back (downward) the adjuster 3 to 4 notch-
es.
4) Install the cover (rubber) at original position cor-
rectly.
PM-37