brake fluid NISSAN 300ZX 1984 Z31 Brake System Workshop Manual

BRAKE HYDRAULIC LINE
rn Recommended fluid is brake fluid "DOT 3".
Do not reuse drained brake fluid
Be careful not to splash brake fluid on painted areas
Front brake lCL28VA. CL28VB)
rFlare nut
7
7
Rear brake lCL14H. CL14HB)
7 0 15- 18 I1 5- 18.11.131
@@.A
Three-way connector I1 5. 1 8, 11 - 131
Flare nut 15-18 I1 5- 18.11 -13)
\Flare nut
0 15.18 I1 5.18.11.13)
WARNING
Clean pad and shoe dust using a dust
collector after
cleaning with waste cloth
Primary llne - Secondary lone
N m lkg-m,ft Ibl
SBR821
Bleeding Procedure
Precautions
Carefully monitor brake fluid level at master
cylinder during bleeding operation.
Bleed air according to the following pro-
cedure
Left rear caliper @ -t Right rear caliper @
-t Right front caliper @ -f Left front caliper
Connect a transparent vinyl tube to air bleeder
valve of caliper.
U SBRSOS
BR-2

FRONT DISC BRAKE (CL28VA, CL28VB) - Caliper
Removal and Installation
Remove torque member fixing bolts and brake
hose connector
SBR839
Disassembly
Push out piston with dust seal using compressed
air
SER772
Inspection
CAUTION: Use brake fluid to clean. Never
use mineral oil
CYLINDER BODY
a 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.
Minor damage from rust of foreign materials
may be eliminated by polishing surface with
a
fine emery paper. Replace cylinder body if
necessary.
a
PISTON
Check piston for score, rust, wear, damage or
presence of foreign materials. Replace if any of
the above conditions are observed.
CAUTl ON :
Piston sliding surface IS plated. Do not polish with
emery paper even if rust
or foreign materials IS
stuck to sliding surface.
PIN, PIN BOLT, RETAINER BOOT, RUBBER
BUSHING, RETAINER BUSHING, AND
PIN
BOOT
Check for wear, cracks or other damage. Replace
if any of the above conditions are observed
0
0
Properly secure dust seal.
a
With dust seal fitted to piston, insert dust seal
into groove on cylinder body and install piston.
Pay attention to piston
seal direction.
y000t n
PlStO"
Plrron seal
ULdU
LCvlinder body SBR574
BR-10

REAR DISC BRAKE (CL14H, CL14HB) - Caliper
CAUTION:
Use brake fluid to clean Never use mineral oil
CYLINDER BODY
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
Minor damage from
rust of foreign materials
may be eliminated by polishing surface with
a
fine emery paper Replace cylinder body if
necessary
TORQUE MEMBER
Check for wear, cracks or other damage Replace if
necessary
PISTON
Check piston for score, rust, wear, damage or
presence of foreign materials Replace
if any of the
above conditions are observed
CAUTION.
Piston sliding surface IS plated. Do not polish with
emery paper even
if rust or foreign matter is stuck
to sliding surface.
PIN AND PIN BOOT
Check for wear, cracksor other damage Replace if
any of the above conditions are observed
Assembly
Install cup securely in the specified direction
Adjust nu1
SBR849
Fit push rod into square hole in key plate Also
fit convex portion of key plate with concave
portion of cylinder
onvex portmn
v SBRB42
Install ring B with suitable tool
Rmg B
Key plate
Push rod
S0R843
Install seat, spring, spring cover and ring A with
suitable press and
drift.
Ring A-
Spring cover-
Seat-
BR-15

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