2007 INFINITI QX56 Factory Service Manual

USB port brake buttons warning fuel tank capacity open bonnet

Page 905 of 3061

INFINITI QX56 2007 Factory Service Manual BRAKE PEDAL
BR-7
< SERVICE INFORMATION >
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REMOVAL
WARNING:
Do not deform the brake tube.
CAUTION:
• Before removal and installation the accelerator and brake pedals m

BRAKE PEDAL
BR-7
< SERVICE INFORMATION >
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REMOVAL
WARNING:
Do not deform the brake tube.
CAUTION:
• Before removal and installation the accelerator and brake pedals must be in the forward most posi-
tion (closest to the floor). This is to align the base position of the accelerator and brake pedals.
• Do not disassemble the brake pedal adjusting mechanism.
• Avoid damage from dropping the brake pedal assembly during handling.
• Keep the brake pedal assembly away from water.
1. Remove the lower driver instrument panel. Refer to IP-10, "
Removal and Installation" .
2. Remove the stop lamp switch and ASCD switch from the pedal assembly.
3. Disconnect the adjustable brake pedal cable from the adjustable
pedal electric motor.
• Unlock (1) then pull (2) the adjustable brake pedal cable to dis-
connect it from the adjustable pedal electric motor as shown.
4. Remove snap pin and clevis pin from the clevis of brake booster.
5. Remove mounting nuts and the pedal assembly.
• Temporarily install nuts by hand to support booster.
CAUTION:
• Before removal and installation the accelerator and brake
pedals must be in the forwardmost position (closest to
the floor). This is to align the base position of the acceler-
ator and brake pedals.
• Do not disassemble the brake pedal adjusting mechanism.
• Avoid damage from dropping the brake pedal assembly during handling.
• Keep the brake pedal assembly away from water.
INSPECTION AFTER REMOVAL
Check brake pedal for following items.
• Crack or deformation of clevis pin stopper
• Clevis pin deformation
• Crack of any welded portion
• Brake pedal bend
INSTALLATION
1. Installation is in the reverse order of removal.
• Check the brake pedal for smooth operation. There should be no binding or sticking when applying or
releasing the brake pedal.
• Check the brake pedal adjustable feature for smooth operation. There should be no binding or sticking
when adjusting the brake pedal forward or backward.
• After installing the brake pedal assembly in the vehicle, be sure to adjust it. Refer to BR-5, "
Inspection and
Adjustment" .
4. Stop lamp switch 5. Pedal pad 6. Clevis pin
7. ASCD cancel switch
LBIA0374E
SBR997

Page 906 of 3061

INFINITI QX56 2007 Factory Service Manual BR-8
< SERVICE INFORMATION >
BRAKE FLUID
BRAKE FLUID
On Board InspectionINFOID:0000000003532724
LEVEL CHECK
• Make sure the fluid level in reservoir tank is within the standard
(between MAX and MIN

Page 907 of 3061

INFINITI QX56 2007 Factory Service Manual BRAKE FLUID
BR-9
< SERVICE INFORMATION >
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4. With brake pedal depressed, loosen bleed valve to let the air out, and then tighten it immediately.
5. Repeat steps 3 and 4

Page 908 of 3061

INFINITI QX56 2007 Factory Service Manual BR-10
< SERVICE INFORMATION >
BRAKE PIPING AND HOSE
BRAKE PIPING AND HOSE
Hydraulic CircuitINFOID:0000000003532727
CAUTION:
• All hoses and tubes must be free from excessive bending, twisting and pu

Page 909 of 3061

INFINITI QX56 2007 Factory Service Manual BRAKE PIPING AND HOSE
BR-11
< SERVICE INFORMATION >
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1. Install brake hose by aligning with the protrusion on cylinder
body, and tighten union bolt. Refer to BR-10, "
Hy

Page 910 of 3061

INFINITI QX56 2007 Factory Service Manual BR-12
< SERVICE INFORMATION >
BRAKE PIPING AND HOSE
Inspection After Installation
INFOID:0000000003532730
CAUTION:
If a leak is detected at the connections, retighten it or, if necessary, replace the

Page 911 of 3061

INFINITI QX56 2007 Factory Service Manual BRAKE MASTER CYLINDER
BR-13
< SERVICE INFORMATION >
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BRAKE MASTER CYLINDER
On Board InspectionINFOID:0000000003532731
LEAK INSPECTION
• Check for leaks at brake master

Page 912 of 3061

INFINITI QX56 2007 Factory Service Manual BR-14
< SERVICE INFORMATION >
BRAKE MASTER CYLINDER
• Refill brake fluid and bleed air. Refer to BR-8, "Bleeding Brake System".
CAUTION:
• Refill with new brake fluid. Refer to MA-10
.
• Do not

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