Infiniti M35/M45 Y50. Manual — part 318
BRAKE PEDAL
BR-7
C
D
E
G
H
I
J
K
L
M
A
B
BR
Removal and Installation
NFS000RU
COMPONENTS
WITHOUT PRE-CRASH SEAT BELT
WITH PRE-CRASH SEAT BELT
NOTE:
Clevis pin can be installed from both left and right.
PFIA0838E
1.
Clevis pin
2.
Snap pin
3.
Stop lamp switch
4.
Brake switch
5.
Clip
6.
Brake pedal assembly
7.
Brake pedal pad
Refer to
and the followings for the symbols in the figure.
: Apply Multi-purpose grease.
PFIA0839E
1.
Clevis pin
2.
Brake pedal stroke sensor
3.
Snap pin
4.
Stop lamp switch
5.
Brake switch
6.
Clip
7.
Brake pedal assembly
8.
Brake pedal pad
Refer to
and the followings for the symbols in the figure.
: Apply Multi-purpose grease.
BR-8
BRAKE PEDAL
REMOVAL
1.
Remove instrument driver lower panel. Refer to
IP-10, "INSTRUMENT PANEL ASSEMBLY"
.
2.
Remove steering column assembly. Refer to
3.
Disconnect stop lamp switch and brake switch connector.
4.
Remove stop lamp switch and brake switch from brake pedal assembly.
5.
Disconnect brake pedal stroke sensor connector.(With pre-crash seat belt)
CAUTION:
Brake pedal stroke sensor is not detachable. Do not detach it.
6.
Remove snap pin and clevis pin from clevis of brake booster.
7.
Remove brake pedal assembly mounting nuts. Pull brake booster toward engine room to the extent that
does not deform brake tube.
8.
Remove brake booster clevis from input rod.
9.
Remove mounting bolt and then remove brake pedal assembly from vehicle.
INSPECTION AFTER REMOVAL
●
Check the items below. If any is found, replace brake pedal
assembly.
–
Check brake pedal upper rivet for deformation.
–
Make sure that joint length “L” of sub-bracket and sliding plate is
4 mm (0.16 in) or more.
–
Check brake pedal for bend, damage, and cracks on the welded
parts.
●
Check clevis pin and plastic stopper for damage and deforma-
tion. If any is found, replace clevis pin.
INSTALLATION
Installation is the reverse order of removal. Tightening torques for brake pedal assembly mounting nuts and
bolt are referred to
. Tightening torque for lock nut is referred to
●
Adjust brake pedal height after installing brake pedal assembly to vehicle. Refer to
SFIA2487E
SBR997
BRAKE FLUID
BR-9
C
D
E
G
H
I
J
K
L
M
A
B
BR
BRAKE FLUID
PFP:KN100
On-Board Inspection
NFS000RV
CHECKING BRAKE FLUID LEVEL
●
Make sure that a brake fluid level in reservoir tank is within the
standard (between MAX and MIN lines).
●
Visually check around reservoir tank for fluid leakage.
●
If the level is excessively low, check brake system for leakage.
●
Release parking brake pedal and see if brake warning lamp
goes off. If not, check brake system for fluid leakage.
Checking Brake Line
NFS000RW
CAUTION:
If leakage occurs around joints, retighten or, if necessary, replace damaged parts.
1.
Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged
parts.
2.
Check for oil leakage by fully depressing brake pedal while
engine is running.
Drain and Refill
NFS000RX
CAUTION:
●
Refill with new brake fluid “DOT 3”.
●
Never reuse drained brake fluid.
●
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.
●
Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery
cable from the negative terminal.
1.
Connect a vinyl tube to bleed valve.
2.
Depress brake pedal, loosen bleed valve, and gradually remove
brake fluid.
SFIA2484E
SBR389C
BRA0007D
BR-10
BRAKE FLUID
3.
Make sure there is no foreign material in the reservoir tank, and
refill with new brake fluid.
4.
Loosen bleed valve, depress brake pedal slowly to full stroke
and then release it. Repeat the procedure every 2 or 3 seconds
until the new brake fluid comes out, then close the bleed valve
while depressing the pedal. Repeat the same work for each
wheel.
5.
BR-10, "Bleeding Brake System"
Bleeding Brake System
NFS000RY
CAUTION:
●
While bleeding, pay attention to master cylinder fluid level.
●
Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery
cable from the negative terminal.
1.
Connect a vinyl tube to rear right brake caliper bleed valve.
2.
Fully depress brake pedal 4 or 5 times.
3.
With brake pedal depressed, loosen bleed valve to bleed air in brake line, and then tighten it immediately.
4.
Repeat steps 2 and 3 until all of the air is out of the brake line.
5.
Tighten the bleed valve to the specified torque. Refer to front disc brake:
, rear disc
brake:
6.
From step 1 to 5, with master cylinder reservoir tank filled at least half way, bleed air from brake hydraulic
line bleed valves in the following order:
Rear right brake
→
Front left brake
→
Rear left brake
→
Front right brake
PFIA0403J
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