parking brake 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

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

PARKING BRAKE
Rear cable assembly [L H 1
(9) 3 1 -4 3 IO 32.0 44,2 3 - 3 21
[01 8-11 108-1 1.58-80)
Rear cable assembly [R H Front cable assembly-
(9116.21 116-2.1.12- ~16-21H6-21,12-151
[01 N m (kg-m, ft-lbl
Warning switch
SBR834
I'nspection
Removal
If necessary, separate front cable from parking
brake lever by breaking pin
Front cable, clevis pin and cotter pin are available
as service parts.
SBR835
1 Check control lever for wear or other damage
Replace if necessary.
2 Check wires for discontinuity or deterioration
Replace
if necessary
3 Check warning lamp and switch Replace if
necessary.
4. Check parts at each connecting portion and, if
found deformed or damaged, replace
BR-17

PARKING BRAKE
Adjustment
STROKE
0 Pull lever with specified amount of force
Check lever stroke and smooth operation
Number of notches 8 .9
Adjust lever stroke
SERB36
WARNING LAMP SWITCH
Bend parking brake warning lamp switch plate so
that brake warning light comes on when ratchet at
parking brake lever is pulled one notch and goes
out when fully released.
BR-18

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