brake rotor NISSAN 300ZX 1984 Z31 Brake System Workshop Manual

BRAKE SYSTEM
P 7- I
SECTION BR
CONTENTS
BRAKE HYDRAULIC LINE ..
BRAKE PEDAL. . . ..
MASTER CYLINDER .
BRAKE BOOSTER
FRONT DISC BRAKE (CL28VA, CL28VB) - Rotor
REAR DISC BRAKE (CL14H, CL14HB) - Callper
PARKING BRAKE
SERVICE DATA AND SPECIFICATIONS
6 D.S)
SPECIAL SERVICE TOOL
FRONT DISC BRAKE (CL28VA, CL28VB) - Caliper
REAR DISC BRAKE - Rotor ..
.. .. .. BR- 2
. BR- 4
BR- 6
BR- 7
BR- 9
. . . BR-11
.. BR-12
BR-16
. .. . BR-17
. BR-19
.. . .. BR-21

FRONT DISC BRAKE (CL28VA, CL28VB) - Caliper
CAUTION:
When cylinder body
IS open, do not depress brake
pedal, or piston
w~ll pop out.
1. Remove pin bolt.
SBR~
Toraue member fixing bolt- rWear indicator
2. Open cylinder body upward. Then remove pad
retainer, and Inner and outer shims
SBR825
Be careful not to damage piston boot or get oil on
rotor. Always replace shims in replacing pads.
/ / /rlnner~hm [9) 72 - 97 (7 3.9 9,53.721
Sub p~n =@ to rildlng portion
Rubber bushing
Retainer bushing Pin boot1 hetamer boot
=@ P B c IPOI~ ~utyl Cupryrill grease or rhcone-based grease Pomt =@ Rubber grease point I Always replace when disassembled (c1 N m Ikg-rn. ft-lbl
SEI3824

FRONT DISC BRAKE (CL28VA, CL28VB) - Rotor
Inspection
RUBBING SURFACE
Check rotor for roughness, cracks or chips.
RUNOUT
Make sure axle shaft has
no axial end play Then
check runout using
a dial guage.
SBR826
Rotor repair limit:
Maximum runout
(Total indicator reading at
center
of rotor pad contact surface)
Less than 0.07 mm (0 0028 in)
THICKNESS
SERE27
Rotor repair limit:
Minimum thickness
More than 20.0 mm (0.787 in)
BR-11

REAR DISC BRAKE (CL14H, CL14HB) - Caliper
Pad Replacement
CAUTION:
When cylinder body IS open, do not depress brake
pedal, or piston will pop out.
1 Disconnect parking brake cable, then remove
pin bolts
2 Remove pad retainer, pads and shims.
SBR840
SBR640
3. When inaalllng pads, retract piston into cylin-
der body by turning
it clockwise
Be careful not to damage piston boot or get oil on
rotor.
Always replace shims when replacing pads.
SBR641
Removal and Installation
Disconnect parking brake cable and brake hose,
then remove caliper assembly
u SBRB41
BR-13

REAR DISC BRAKE - Rotor
Inspection
RUBBING SURFACE
Check rotor for roughness, cracks or chips Repair
or replace if necessary
RUNOUT
Make sure that axial end play IS within the specifi-
cations before measuring Refer to section
RA
Then check runout using a dial guage.
Rotor repair limit:
Maximum runout
(Total indicator reading at
center of rotor pad contact surface)
Less than 0.07 mm (0.0028 in)
THICKNESS
SBR847
Rotor repair limit:
Minimum thickness
More than 9.0 mm (0.354 in)
BR-16

SERVICE DATA AND SPECIFICATIONS (S. D. S.)
250 19 841
General Specifications
274 110 791
Front brake
Brake model
CL14H
Pad Width x thickness x
length mm lml
CL14HB
Rotor outer diameter
mm linl
Caliper inner diameter mm Iinl
Rear brake
Brake model
Pad Width x th$Ckness x
length mm (in)
Rotor outer diameter
mm lml ~
Callper cnner
diameter mm On1
Master
cylinder Inner diameter
mm (In1
Brake booster
Model
Dtaphragm dtameter
mm On1
Control valve
Model
Sprlt pomt
kPa Ikglcm', psi)
Reducing ratto
Recommended brake fluid
VG30E IVG3LT
CL28VA I CL28VB
Inner 43x llx 12651169~043~4981
3uter
43 x 11 x 129 0 I1 69 x 0 43 x 5 08)
40x80~ 75 I1 57 x0315x 295)
258 110 161 290 I1 1 421
42 8 I1 6851
2381 115/161
M20T
Primary 205 (8 071 Secondary 201 17 911
Proport,o"l"g YalYe
(within master cylinder)
3,432
3,923 140.5691
04
DOT 3
--Inspection and Adjustment-
BRAKE PEDAL -
Pedal ratio
Maximum stroke
mm Itnl
-
Free helght mm 18")
Depiessed height [Under force of
490
N 150 kg, 110 Ibl wlth engme
runn,ngl mm On)
Clearance between pedal stopper and
threaded end
of stop lamp swmh
mm (("1
Clearance between pedal stopper and
thredded end of AS
C D switch
mm Inn1 ~~~
~
Pedal free play mm lml
PARKING BRAKE
38
More than 134 15 281
M/T
182 1921717-7561
AIT
184 194 17 24 - 7 641
More than 90 13 541
03 1010012-00391
03-3810012 01501
Type Center lever type
Number of notches when warnmg lamp
sw8tch comes on 1
Number of notches [When pulled under
force of 196 N (20 kg, 44 lbll 8-9
-
CHECK VALVE
Maximum vacuum leakage
115 seconds after
66 ? kPa (500 mmHg,
19 69 mHg1
16 applied 1 1 3 (10. 0 39)
kPa ImmHg, mHg1
BRAKE BOOSTER
Maximum vacuum leakage
115 seconds after engme
IS ~toppedl 3 3 125.0 981 kPa ImmHg. inHgl
Input rod length mm Iml 140 15 511

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
I Front brake
-inspection and Adjustment
(Cont'd)
Rear brake
Pad repair limit
Minimum
thickness
mm lml
Brakemodel I CL28VA I CL28VB I CL14H I CL14HB
2 IO 081 2 IO 081
Mmmum
thcknerr More than
20 0 10 7871 mm (in)
Rotor repair limit I I
More than
9 0 (0 354)
Less than
0 07 IO 00281
Maximum
r"nO"1 Less than
0 07 10 00281 mm lid
Tightening Torque
Item Nm kg-m ft-lb
Brake pedal Pedal bracket to body
.Pedal bracket
to pedal
Stop lamp witch lock
nut
Brake booster
Brake booster to body
Input rod lack nut
Brake booster to
master cylinder
Three-way connector
Three-way connector
to brake tube
Three-way
connector mounting bolt
Brake hose connector
Brake tube flare nut
Wheel cylinder air bleeder
Front disc brake
Baffle plate
Torque member fixing
bolt
Torque member
to
cylinder body
8- 11
30.40 12 15
8-11
16
- 22
8-11
15 - 18
5-7
17 - 20
15 18
7-9
32-43 72.97
22-31
Disc rotor to wheel hub 49 69
Rear disc brake Baffle plate 8-11
Torque member fixing 72 - 97
bolt
Torque member to
22-31
cylinder body
Parkmg brake Center lever type
Control lwer to body 16.21 Adjuster lock nut 31-43
Front cable clamp to
body 8 - 11
08 11
31-41 12-15
08-1 1
16-22
08 11
15-18
05-07
17 20
15 18
07-09
58-80
22
- 30
9-11
58-80 12 16
58-80
11 13
36-51
12.14
11
- 13
51-65
033-044 24-32
73-99 53-72
22-32 16-23
50 70 36-51
08-11 58 80
73-99 53 72
22-32 16-23
16-21 12-15
032-044 23-32
08-11 58-80