Disc Brake Pads And Discs Inspection - Subaru IMPREZA 2004 Service Manual

21.Disc Brake Pads and Discs
A: INSPECTION
1. DISC BRAKE PAD AND DISC
1) Jack-up the vehicle and support with rigid racks.
Then remove the wheels.
2) Visually check the pad thickness through inspec-
tion hole of disc brake assembly. Replace the pad if
necessary.
NOTE:
When replacing a pad, always replace the pads for
both the right and left wheels at the same time. Also
replace the pad clips if they are twisted or worn.
(A) Inspection hole
• Front
Pad thicknessmm (in)
Standard
Service limit
• Rear
Pad thicknessmm (in)
Standard
Service limit
Disc Brake Pads and Discs
(A)
PM-00049
14, 15 inch 11 (0.43)
16 inch 10 (0.39)
17 inch 9.2 (0.36)
14, 15 inch 1.5 (0.059)
16 inch 1.5 (0.059)
17 inch 1.2 (0.047)
14 inch 9 (0.35)
15 inch 11.5 (0.45)
17 inch 9 (0.35)
14 inch 1.5 (0.059)
15 inch 1.5 (0.059)
17 inch 1.2 (0.047)
PERIODIC MAINTENANCE SERVICES
(A) Thickness of pad
(B) Back metal
(C) Lining
3) Check the disc rotor, and correct or replace if it is
damaged or worn.
• Front
Disc rotor thicknessmm (in)
Standard
Service limit
• Rear
Disc rotor thicknessmm (in)
Standard
Service limit
4) Remove the caliper body. <Ref. to BR-31, Front
Disc Brake Assembly.>, <Ref. to BR-42, Rear Disc
Brake Assembly.>
5) Tighten the wheel nuts to secure disk rotor.
6) Set a dial gauge at a point less than 10 mm (0.39
in) from outer periphery of rotor, and then measure
the disk rotor runout.
Disc rotor runout limit:
Front: 0.075 mm (0.0030 in)
Rear: 0.070 mm (0.0028 in)
PM-35
(A)
(C)
(B)
PM-00140
14, 15, 16 inch 24 (0.94)
17 inch 30 (1.18)
14, 15, 16 inch 22 (0.87)
17 inch 28 (1.10)
14 inch 10 (0.39)
15 inch 18 (0.71)
17 inch 20 (0.79)
14 inch 8.5 (0.34)
15 inch 16 (0.63)
17 inch 18 (0.71)
PM-00051