Infiniti FX35, FX50 (S51). Manual — part 228
BRAKE PEDAL
BR-9
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4.
Press-fit stop lamp switch and ASCD brake switch (2) until stop
lamp switch and ASCD brake switch hits the stopper rubber (1)
45
°
clockwise.
CAUTION:
• The clearance (C) between the stopper rubber and stop
lamp switch and ASCD brake switch threaded end must
be the specified value. Refer to
.
• The stop lamp must be turned off when the brake pedal is
released.
JPFIA0122ZZ
BR-10
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BRAKE FLUID
BRAKE FLUID
Inspection
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BRAKE FLUID LEVEL
• Check that the fluid level in the reservoir tank is within the specified
range (MAX – MIN lines).
• Visually check for any brake fluid leakage around the reservoir
tank.
• Check the brake system for any leakage if the fluid level is
extremely low (lower than MIN).
• Check the brake system for fluid leakage if the warning lamp
remains illuminated even after the parking brake is released.
BRAKE LINE
1.
Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged
parts.
2.
Check for fluid leakage by fully depressing brake pedal while
engine is running.
CAUTION:
If leakage occurs around joints, retighten or, if necessary,
replace damaged parts.
Draining
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CAUTION:
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with water if it gets on a painted surface.
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) con-
nector or the battery negative terminal before performing work.
1.
Connect a vinyl tube to the bleed valve.
2.
Depress the brake pedal and loosen the bleeder valve to gradu-
ally discharge brake fluid.
Refilling
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CAUTION:
Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connec-
tor or the battery negative terminal before performing work.
1.
Check that there is no foreign material in the reservoir tank, and refill with new brake fluid.
CAUTION:
Never reuse drained brake fluid.
JPFIA0007ZZ
SBR389C
BRA0007D
BRAKE FLUID
BR-11
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2.
Loosen the bleeder valve, slowly depress the brake pedal to the full stroke, and then release the pedal.
Repeat this operation at intervals of 2 or 3 seconds until new brake fluid is discharged. Then close the
bleeder valve with the brake pedal depressed. Repeat the same work on each wheel.
3.
Perform the air bleeding. Refer to
BR-11, "Bleeding Brake System"
Bleeding Brake System
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CAUTION:
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) con-
nector or the battery negative terminal before performing the work.
• Monitor the fluid level in the reservoir tank while performing the air bleeding
• Always use new brake fluid for refilling. Never reuse the drained brake fluid.
1.
Connect a vinyl tube to the bleeder valve of the rear right brake.
2.
Fully depress the brake pedal 4 to 5 times.
3.
Loosen the bleeder valve and bleed air with the brake pedal depressed, and then quickly tighten the
bleeder valve.
4.
Repeat steps 2 and 3 until all of the air is out of the brake line.
5.
Tighten the bleeder valve to the specified torque.
• Front disc brake: refer to
BR-43, "BRAKE CALIPER ASSEMBLY (2 PISTON TYPE) : Exploded View"
BR-47, "BRAKE CALIPER ASSEMBLY (4 PISTON TYPE) : Exploded View"
(4 piston
type).
• Rear disc brake: refer to
BR-56, "BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Exploded View"
BR-60, "BRAKE CALIPER ASSEMBLY (2 PISTON TYPE) : Exploded View"
(2 piston
type).
6.
Perform steps 1 to 5 for the rear right brake
→
front left brake
→
rear left brake
→
and front right brake in
order.
7.
Check that the fluid level in the reservoir tank is within the specified range after air bleeding. Refer to
8.
Check each item of brake pedal. Adjust it if the measurement value is not the standard. Refer to
.
BR-12
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BRAKE MASTER CYLINDER
BRAKE MASTER CYLINDER
Inspection
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FLUID LEAK
Check for brake fluid leakage from the master cylinder mounting face, reservoir tank mounting face and brake
tube connections.
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