Brake Linings And Drums; Rear Drum Brake - Subaru Forester SG 2004 Manual

PERIODIC MAINTENANCE SERVICES

21.Brake Linings and Drums

A: INSPECTION

1. REAR DRUM BRAKE

1) Remove the brake drum, and check that there is
no fluid leakage from wheel cylinder.
If there is fluid leakage from wheel cylinder, inspect
the wheel cylinder, and then repair or replace it.
2) Inspect the brake shoes for damage or deformi-
ties and check brake linings for wear.
CAUTION:
• Always replace both leading and trailing
brake shoes for the right and left wheels at the
same time.
• When either the right and left brake assembly
is replaced, always replace the leading shoe
and trailing shoe of the other.
Thickness of lining (except back metal)
Standard value: 4.1 mm (0.161 in)
Service limit: 1.5 mm (0.059 in)
(A)
(G)
(A) Rotational direction of drum (Forward)
(B) Wheel cylinder
(C) Upper shoe return spring
(D) Adjusting lever
(E) Trailing shoe
(F) Lower shoe return spring
(G) Leading shoe
3) Check the brake drum for wear, dents or other
damage.
If the inside surface of brake drum is streaked, cor-
rect the surface with emery cloth (#200 or more). If
it is unevenly worn, tapered or the outside surface
of brake drum is damaged, correct or replace it.
Brake drum inner diameter
Standard value: 228.6 mm (9.000 in)
Service limit: 230.6 mm (9.079 in)
BRAKE LININGS AND DRUMS
(B)
(C)
(D)
(E)
(F)
PM-00052
If deformation or wear of back plate, shoe, etc. is
noticeable, replace the affected parts.
(A) Inside diameter
2. PARKING BRAKE (REAR DISC BRAKE)
Inspect the brake linings and the disk rotor inside of
both sides of the rear brake at the same time by re-
moving the disk rotor.
1) Inspect the brake shoes for damage or deforma-
tion and check brake linings for wear.
CAUTION:
Always replace both primary and secondary
brake shoes for the right and left wheels at the
same time.
Brake lining thickness (excluding back metal)
Standard value: 3.2 mm (0.126 in)
Wear limit: 1.5 mm (0.059 in)
(A)
(A) Forward
(B) Brake shoe (Primary side)
(C) Brake shoe (Secondary side)
PM-32
(A)
PM-00053
(B)
(C)
PM-00054