Infiniti M35/M45 Y50. Manual — part 321
BRAKE BOOSTER
BR-19
C
D
E
G
H
I
J
K
L
M
A
B
BR
4.
Install brake pedal bracket mounting nuts and bolt, and tighten them to the specified torque. Refer to
5.
Install vacuum hose into brake booster. Refer to
BR-21, "Removal and Installation"
6.
Install master cylinder to booster assembly. Refer to
BR-14, "Removal and Installation"
7.
Adjust the brake pedal height and the play of the brake pedal. Refer to
.
8.
Tighten lock nut of input rod to the specified torque. Refer to
9.
Connect front left brake tube to ABS actuator and electric unit (control unit). Refer to
.
10. Install cowl top. Refer to
EI-18, "Removal and Installation"
11. Refill new brake fluid and bleed air. Refer to
BR-20
VACUUM LINES
VACUUM LINES
PFP:41920
Components
NFS000S9
VK45DE ENGINE MODELS
VQ35DE ENGINE MODELS
SFIA2957E
1.
Clamp
2.
Vacuum hose
3.
Engine direction indicator stamp
(Built in check valve)
4.
Clip
5.
Vacuum piping
6.
Grommet (Vacuum hose side)
7.
Grommet (Cowl top assy side)
8.
For intake manifold
9.
For brake booster
SFIA2958E
1.
Clamp
2.
Vacuum hose
3.
Engine direction indicator stamp
(Built in check valve)
4.
Clip
5.
Vacuum piping
6.
Grommet (Vacuum hose side)
7.
Grommet (Cowl top assy side)
8.
For intake manifold
9.
For brake booster
VACUUM LINES
BR-21
C
D
E
G
H
I
J
K
L
M
A
B
BR
Removal and Installation
NFS000SA
CAUTION:
●
Because vacuum hose contains a check valve, it must be
installed in the correct position. Refer to the stamp to con-
firm correct installation. Brake booster will not operate nor-
mally if the hose is installed in the wrong direction.
●
Insert vacuum hose at least 24 mm (0.94 in).
●
Do not use lubricating oil during assembly.
Inspection
NFS000SB
VISUAL INSPECTION
Check for correct assembly, damage and deterioration.
CHECK VALVE INSPECTION
Airtightness Inspection
Use a handy vacuum pump to check.
●
Replace vacuum hose assembly if vacuum hose and check
valve are malfunctioning.
SBR225B
When connected to the booster side (1):
Vacuum should decrease within 1.3 kPa (10
mmHg, 0.39 inHg) for 15 seconds under a vacuum
of
−
66.7 kPa (
−
500 mmHg,
−
19.69 inHg).
When connected to the engine side (2):
Vacuum should not exist.
SFIA0210E
BR-22
FRONT DISC BRAKE
FRONT DISC BRAKE
PFP:41000
On-Board Inspection
NFS000SC
PAD WEAR INSPECTION
●
Check pad thickness from an inspection hole on cylinder body.
Check using a scale if necessary.
Components
NFS000SD
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.
CAUTION:
●
While removing cylinder body, do not depress brake pedal because piston will pop out.
Standard thickness
: 11.0 mm (0.433 in)
Repair limit thickness
: 2.0 mm (0.079 in)
MAA0439D
1.
Union bolt
2.
Copper washer
3.
Brake hose
4.
Cap
5.
Bleed valve
6.
Sliding pin bolt
7.
Piston seal
8.
Piston
9.
Piston boot
10.
Cylinder body
11.
Sliding pin
12.
Torque member mounting bolt
13.
Washer
14.
Sliding pin boot
15.
Bushing
16.
Torque member
17.
Inner shim cover
18.
Inner shim
19.
Inner pad
20.
Pad retainer
21.
Pad wear sensor
22.
Outer pad
23.
Outer shim
24.
Outer shim cover
and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0820E
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