Infiniti I30 (A33). Manual — part 111
Thickness
NHBR0033S0203
Thickness variation (At least 8 positions):
Maximum 0.01 mm (0.0004 in)
If thickness variation exceeds the specification, turn rotor with on-
car brake lathe.
Rotor repair limit:
24.0 mm (0.945 in)
SBR574
Assembly
NHBR0034
1.
Insert piston seal into groove on cylinder body.
2.
With piston boot fitted to piston, insert piston boot into groove
on cylinder body and install piston.
3.
Properly secure piston boot.
SBR980B
Installation
NHBR0035
CAUTION:
I
Refill with new brake fluid “DOT 3”.
I
Never reuse drained brake fluid.
1.
Install brake hose to caliper securely.
2.
Install all parts and secure all bolts.
3.
Bleed air. Refer to “Bleeding Brake System”, BR-9.
SBR557E
CAUTION:
The upper pad retainer is built so the pad returns to its origi-
nal position. Be careful to install the pad-return lever securely
to the pad wear sensor, as shown in the left figure.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
FRONT DISC BRAKE
Inspection (Cont’d)
BR-27
Component
NHBR0038
SBR558E
1.
Nut
2.
Washer
3.
Return spring
4.
Parking brake lever
5.
Cam boot
6.
Cam
7.
Brake hose
8.
Connecting bolt
9.
Copper washer
10. Bleed screw
11. Pin bolt
12. Cable mounting bracket
13. Cylinder
14. Strut
15. O-ring
16. Push rod
17. Key plate
18. Ring C
19. Seat
20. Spring
21. Spring cover
22. Ring B
23. Piston seal
24. Ring A
25. Spacer
26. Wave washer
27. Spacer
28. Ball bearing
29. Adjust nut
30. Cup
31. Piston
32. Dust seal
33. Inner shim
34. Inner pad
35. Outer pad
36. Outer shim
37. Pin
38. Pin boot
39. Pad retainer
40. Torque member
41. Torque member fixing bolt
Pad Replacement
NHBR0037
WARNING:
Clean brake pads with a vacuum dust collector to minimize the
hazard of airborne particles or other materials.
CAUTION:
I
When cylinder body is open, do not depress brake pedal
because piston will pop out.
I
Be careful not to damage piston boot or get oil on rotor.
Always replace shims in replacing pads.
I
If shims are rusted or show peeling of rubber coat, replace
them with new shims.
REAR DISC BRAKE
Component
BR-28
I
It is not necessary to remove connecting bolt except for
disassembly or replacement of caliper assembly. In this
case, suspend cylinder body with wire so as not to stretch
brake hose.
I
Burnish the brake contact surfaces after refinishing or
replacing drums or rotors, after replacing pads or linings,
or if a soft pedal occurs at very low mileage.
Refer to “Brake Burnishing Procedure”, “ON-VEHICLE
SERVICE”, BR-8.
SBR938C
SBR916C
1.
Remove master cylinder reservoir cap.
2.
Remove brake cable mounting bolt and lock spring.
3.
Release parking brake control lever, then disconnect cable
from the caliper.
4.
Remove upper pin bolt.
5.
Open cylinder body downward. Then remove pad retainers,
and inner and outer shims.
Standard pad thickness:
10 mm (0.39 in)
Pad wear limit:
1.5 mm (0.059 in)
SBR641
SBR868C
6.
When installing new pads, push piston into cylinder body by
gently turning piston clockwise, as shown.
Carefully monitor brake fluid level because brake fluid will
return to reservoir when pushing back piston.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
REAR DISC BRAKE
Pad Replacement (Cont’d)
BR-29
SBR306E
7.
Adjust the piston to the right angle as shown in the figure.
SBR307E
8.
As shown in the figure, align the piston’s concave to the pad’s
convex, then install the cylinder body to the torque member.
SBR939C
Removal
NHBR0039
WARNING:
Clean brake pads with a vacuum dust collector to minimize the
hazard of airborne particles or other materials.
1.
Remove brake cable mounting bolt and lock spring.
2.
Release parking brake control lever, then disconnect cable
from the caliper.
3.
Remove torque member fixing bolts and connecting bolt.
It is not necessary to remove connecting bolt except for dis-
assembly or replacement of caliper assembly. In this case,
suspend caliper assembly with wire so as not to stretch brake
hose.
REAR DISC BRAKE
Pad Replacement (Cont’d)
BR-30
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