Nissan Almera Tino V10. Instruction — part 242
Removal
NLBR0117
NBR360
1.
Reservoir cap
2.
Filter
3.
Reservoir tank
4.
Adapter
5.
Elastic pin
6.
Seal
7.
Washer
8.
Circlip
9.
Piston stopper pin
10. Primary piston assembly
11. Secondary piston assembly
12. Cylinder body
CAUTION:
Be careful not to splash brake fluid on painted areas; it may
cause paint damage. If brake fluid is splashed on painted
areas, wash it away with water immediately.
1.
Connect a vinyl tube to air bleeder valve.
2.
Drain brake fluid from each front caliper air bleeder valve,
depressing brake pedal to empty fluid from master cylinder.
3.
Remove brake pipe flare nuts.
4.
Disconnect hoses from adapter.
5.
Remove master cylinder mounting nuts.
NBR361
Disassembly
NLBR0118
1.
Drive out elastic pin from cylinder body.
2.
Remove adapter, washer and seals.
MASTER CYLINDER
Removal
BR-16
NBR353
3.
Remove the circlip with suitable pliers while piston is pushed
into cylinder.
SBR232E
4.
Remove piston stopper pin while piston is pushed into cylinder.
5.
Remove piston assemblies.
If it is difficult to remove secondary piston assembly,
gradually apply compressed air through fluid outlet.
Inspection
NLBR0119
Check for the following items.
Replace any part if damaged.
Master cylinder:
I
Pin holes or scratches on inner wall.
Piston:
I
Deformation or scratches on piston cups.
SBR233E
Assembly
NLBR0120
1.
Insert secondary piston assembly. Then insert primary piston
assembly.
I
Pay attention to alignment of secondary piston slit with
valve stopper mounting hole of cylinder body.
SBR232E
2.
Install piston stopper pin while piston is pushed into cylinder.
Then secure the primary and secondary piston assemblies
with new circlip.
3.
Insert washer and push reservoir seals and adapter into cylin-
der body.
4.
Install elastic pin.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
MASTER CYLINDER
Disassembly (Cont’d)
BR-17
Installation
NLBR0121
CAUTION:
I
Refill with new brake fluid “DOT 3” or “DOT 4”.
I
Never reuse drained brake fluid.
1.
Place master cylinder onto brake booster and secure mount-
ing nuts lightly.
2.
Torque mounting nuts.
: 13 - 15 N·m (1.3 - 1.5 kg-m, 9 - 11 ft-lb)
NBR363
NBR364
3.
Check hoses for damage. If the hoses show cracks or damage,
replace the hose.
4.
Insert the dot (coloured) mark hoses to the primary - and sec-
ondary inlet ports adapter. Then secure it with clamps.
Hose marking
Booster model
M215T
S255
Primary-inlet port
White dot
Blue dot
Secondary-inlet port
Yellow dot
Green dot
NBR362
5.
Fill up reservoir tank with new brake fluid.
6.
Plug all ports on master cylinder with fingers to prevent air
suction while releasing brake pedal.
7.
Have driver depress brake pedal slowly several times until no
air comes out of master cylinder.
8.
Fit brake lines to master cylinder.
9.
Tighten flare nuts.
: 15 - 18 N·m (1.5 - 1.8 kg-m, 11 - 13 ft-lb)
10. Bleed air procedure from brake and clutch system. Refer to
“Bleeding Brake System”, BR-11 and “Air Bleeding Procedure”,
CL-10.
MASTER CYLINDER
Installation
BR-18
SBR002A
On-vehicle Service
NLBR0023
OPERATING CHECK
NLBR0023S01
1.
Stop engine and depress brake pedal several times. Check
that pedal stroke does not change.
2.
Depress brake pedal, then start engine. If pedal goes down
slightly, operation is normal.
SBR365AA
AIRTIGHT CHECK
NLBR0023S02
1.
Start engine, and stop it after one or two minutes. Depress
brake pedal several times slowly. The pedal should go further
down at the first time, and then it should gradually rise there-
after.
2.
Depress brake pedal while engine is running, and stop engine
with pedal depressed. The pedal stroke should not change
after holding pedal down for 30 seconds.
SBR232CB
Removal
NLBR0024
CAUTION:
I
Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
painted areas, wash it away with water immediately.
I
Be careful not to deform or bend brake pipes, during
booster removal.
SBR208E
Inspection
NLBR0025
OUTPUT ROD LENGTH CHECK
NLBR0025S01
1.
Apply vacuum of −66.7 kPa (−667 mbar, −500 mmHg, −19.69
inHg) to brake booster with a handy vacuum pump.
2.
Add preload of 19.6 N (2 kg, 4.4 lb) to output rod.
3.
Check output rod length.
Specified length:
Without ESP
10.275 - 10.525 mm (0.4045 - 0.4144 in)
With ESP
4.9 - 5.1 mm (0.193 - 0.201 in)
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
BRAKE BOOSTER
On-vehicle Service
BR-19
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