Infiniti I30 (A33). Manual — part 112
SBR868C
SBR646
Disassembly
NHBR0040
1.
Remove piston by turning it counterclockwise with suitable
commercial service tool or long nose pliers.
SBR889
2.
Pry off ring A from piston with suitable pliers and remove
adjusting nut.
SBR088B
3.
Disassemble cylinder body.
a.
Pry off ring B with suitable pliers, then remove spring cover,
spring and seat.
b.
Pry off ring C, then remove key plate, push rod and rod.
SBR656
c.
Remove piston seal.
Be careful not to damage cylinder body.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
REAR DISC BRAKE
Disassembly
BR-31
SBR877
4.
Remove return spring, toggle lever and cable guide.
Inspection
NHBR0041
CALIPER
NHBR0041S01
CAUTION:
Use brake fluid to clean cylinder. Never use mineral oil.
Cylinder Body
NHBR0041S0101
I
Check inside surface of cylinder for score, rust, wear, damage
or presence of foreign materials. If any of the above conditions
are observed, replace cylinder body.
I
Minor damage from rust or foreign materials may be eliminated
by polishing surface with a fine emery paper.
Replace cylinder body if necessary.
Torque Member
NHBR0041S0102
Check for wear, cracks or other damage. Replace if necessary.
Piston
NHBR0041S0103
CAUTION:
Piston sliding surface is plated. Do not polish with emery
paper even if rust or foreign matter is stuck to sliding surface.
Check piston for score, rust, wear, damage or presence of foreign
materials.
Replace if any of the above conditions are observed.
Pin and Pin Boot
NHBR0041S0104
Check for wear, cracks or other damage.
Replace if any of the above conditions are observed.
SBR219C
ROTOR
NHBR0041S02
Rubbing Surface
NHBR0041S0201
Check rotor for roughness, cracks or chips.
Runout
NHBR0041S0202
1.
Secure rotor to wheel hub with two nuts (M12 x 1.25).
2.
Check runout using a dial indicator.
Make sure that axial end play is within the specifications
before measuring. Refer to AX section (“REAR WHEEL
BEARING”, “On-vehicle Service”).
REAR DISC BRAKE
Disassembly (Cont’d)
BR-32
3.
Change relative positions of rotor and wheel hub so that runout
is minimized.
Maximum runout:
0.07 mm (0.0028 in)
Thickness
NHBR0041S0203
Rotor repair limit:
Standard thickness
9 mm (0.35 in)
Minimum thickness
8 mm (0.31 in)
Thickness variation (At least 8 portions)
Maximum 0.02 mm (0.0008 in)
SBR247B
Assembly
NHBR0042
1.
Insert cam with depression facing towards open end of cylin-
der.
SBR248B
2.
Generously apply rubber grease to strut and push rod to make
insertion easy.
SBR893
3.
Fit push rod into square hole in key plate. Also match convex
portion of key plate with concave portion of cylinder.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
REAR DISC BRAKE
Inspection (Cont’d)
BR-33
SBR878
4.
Install ring C with a suitable tool.
SBR869C
SBR879
5.
Install seat, spring, spring cover and ring B with suitable press
and drift.
SBR892
6.
Install cup in the specified direction.
SBR100B
7.
Install cup, adjuster, bearing, spacers, washers and ring A with
a suitable tool.
REAR DISC BRAKE
Assembly (Cont’d)
BR-34
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