Subaru XT 1988 Service Manual page 981

4-4
BRAKES
Fig.
85
1 Back plate
2 Back plate install ing bolt
3 Adjuster
4) Remove shoe hold down spring with pliers.
5) Pull out shoe on anchor side.
6) Pull out shoe on cylinder side.
INSPECTION
A17-351
Check the disassembled parts. Correct or replace if defective.
1) If the inside surface of brake drum is streaked, correct the
surface. If it is unevenly worn, taperingly streaked, or the
outside surface of brake drum is damaged, correct or replace it.
Drum inner diameter:
Standard
180 mm (7.09 in)
Service limit
182 mm (7.17 in)
2) Measure the lining thickness. If it exceeds the limit,
replace shoe ASSY.
Lining thickness:
Standard
4.5 mm (0.177 in)
Service limit
1.5 mm (0.059 in)
Replace the leading and trailing shoes on the right and left
brake ASSV at the same time.
3) If the deformation or wear of back plate, shoe, etc. are
notable, replace them.
4) When the shoe return spring tension is excessively
weakened, replace it, taking ,care to identify upper and lower
springs.
5) If grease has leaked from brake drum, replace oil seal or
drum.
6) If drum bearing is abnormal or loose, replace it.
34
7) Strut ASSY (4WD only)
(1) Improper operation (due to worn meshing tooth
surface or rust etc.) or damage.
(2) Wear on brake shoe contacting portion.
Never disassemble strut ASSY.
INSTALLATION (FWD)
1) Clean back plate and wheel cylinder.
2) Assemble shoe ASSY with springs. Pay attention to the
shape and installing position of springs.
Upper
Wire diameter Thin
Installing
On wheel cylin-
der and brake
position
drum side.
1 Upper return spring
2 Lower return spring
Fig.
86
Lower
Thick
On anchor and
brake drum
side.
A17·352
3) Apply brake grease to the portions shown by arrows in
figure.
Brake grease:
Dow Corning Molykote No. 7439 (PIN 725191460)