2005 INFINITI QX4 Factory Service Manual

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Page 1001 of 3419

INFINITI QX4 2005 Factory Service Manual BR-22
FRONT DISC BRAKE
Revision: October 20052005 QX56
Do not reuse drained brake fluid.
1. Install disc rotor.
2. Install sliding pin bolts and torque member to caliper, if removed. Refer to BR-20,

Page 1002 of 3419

INFINITI QX4 2005 Factory Service Manual FRONT DISC BRAKE
BR-23
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Revision: October 20052005 QX56
4. Using a flat-bladed screwdriver, remove piston seal from cylin-
der body.
CAUTION:
Be careful not to damage cylinder

Page 1003 of 3419

INFINITI QX4 2005 Factory Service Manual BR-24
FRONT DISC BRAKE
Revision: October 20052005 QX56
2. Apply brake fluid to piston and piston boot, then install piston
boot in to piston groove.
CAUTION:
Do not reuse piston boot.
3. Insert into

Page 1004 of 3419

INFINITI QX4 2005 Factory Service Manual FRONT DISC BRAKE
BR-25
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Revision: October 20052005 QX56
CAUTION:
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle

Page 1005 of 3419

INFINITI QX4 2005 Factory Service Manual BR-26
REAR DISC BRAKE
Revision: October 20052005 QX56
REAR DISC BRAKEPFP:44000
On-vehicle InspectionEFS004WL
PAD WEAR INSPECTION
Inspect the thickness of pad through cylinder body inspection
hole. Us

Page 1006 of 3419

INFINITI QX4 2005 Factory Service Manual REAR DISC BRAKE
BR-27
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Revision: October 20052005 QX56
CAUTION:
While removing cylinder body, never depress brake pedal because piston will pop out.
It is not necessary to r

REAR DISC BRAKE
BR-27
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Revision: October 20052005 QX56
CAUTION:
While removing cylinder body, never depress brake pedal because piston will pop out.
It is not necessary to remove bolts on torque member and brake hose except for disassembly or
replacement of cylinder body. In this case, hang cylinder body with a wire so as not to stretch
brake hose.
Do not damage piston boot.
Burnish brake contact surface after refinishing or replacing rotors, after replacing pads, or it a soft
pedal occurs at very low mileage. Refer to BR-30, "
BRAKE BURNISHING PROCEDURE" .
Removal and Installation of Brake PadEFS004WN
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove mounting bolt from the top mount.
3. Swing cylinder body open, and remove pads.
INSTALLATION
1. Push piston in so that pad is firmly attached and mount cylinder body to torque member.
NOTE:
Using a disc brake piston tool (commercial service tool), makes it easier to push in the piston.
CAUTION:
By pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of the
surface of reservoir tank.
2. Install pads to cylinder body.
3. Install top mounting bolt and tighten to specification.
4. Check brake for drag.
5. Install tires to the vehicle. Refer to WT-7, "
Rotation" .
Removal and Installation of Brake Caliper and Disc RotorEF S0 04 WO
REMOVAL
1. Remove tires from vehicle with power tool.
2. Drain brake fluid as necessary. Refer to BR-9, "
Drain and Refill" .
NOTE:
Do not remove union bolt unless removing cylinder body from vehicle.
3. Remove mounting bolts and cylinder body.
NOTE:
Position cylinder body aside using suitable wire, as necessary.
4. Remove disc rotor.
INSTALLATION
CAUTION:
Refill with new brake fluid. Refer to MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS" .
Do not reuse drained brake fluid.
1. Install disc rotor.
2. Install cylinder body to the vehicle, and tighten mounting bolts to specification. Refer to BR-26, "
Compo-
nents" .
CAUTION:
Before installing cylinder body to the vehicle, wipe off mounting surface of cylinder body.
3. Install brake hose to cylinder body and tighten union bolt to specification as necessary. Refer to BR-26,
"Components" .
LFIA0211E

Page 1007 of 3419

INFINITI QX4 2005 Factory Service Manual BR-28
REAR DISC BRAKE
Revision: October 20052005 QX56
CAUTION:
Do not reuse copper washers.
Securely attach brake hose to protrusion on cylinder body.
4. Refill new brake fluid and bleed air as nece

Page 1008 of 3419

INFINITI QX4 2005 Factory Service Manual REAR DISC BRAKE
BR-29
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Revision: October 20052005 QX56
ASSEMBLY
CAUTION:
Do not use NISSAN Rubber Grease (KRE00 00010, KRE00 00010 01) when assembling.
1. Apply clean brake fl

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