Infiniti QX56 (Z62). Manual — part 127
BR-40
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
3.
Press the pistons. Refer to
BR-34, "BRAKE PAD : Removal and Installation"
.
4.
Install brake pads. Refer to
BR-34, "BRAKE PAD : Removal and Installation"
.
5.
Depress the brake pedal several times.
6.
Check a drag of front disc brake again. If any drag is found, disassemble the caliper. Refer to
"BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
7.
Burnish contact surfaces brake pads and disc rotor after refinishing or replacing disc rotor, or if a soft
pedal occurs at very low mileage. Refer to
BR-16, "DISC ROTOR : Inspection and Adjustment"
.
REAR DISC BRAKE
BR-41
< REMOVAL AND INSTALLATION >
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REAR DISC BRAKE
BRAKE PAD
BRAKE PAD : Exploded View
INFOID:0000000006222495
BRAKE PAD : Removal and Installation
INFOID:0000000006222496
REMOVAL
WARNING:
Clean any dust from the brake caliper assembly and brake pads with a vacuum dust collector. Never
blow with compressed air.
CAUTION:
• Never depress the brake pedal while removing the brake pads because the piston may pop out.
• If the brake fluid or grease adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
1.
Remove tires with power tool.
2.
Remove upper sliding pin bolt.
3.
Suspend the cylinder body with suitable wire so that the brake hose will not stretch. Then remove the
brake pads from the torque member.
CAUTION:
• Never deform the pad retainer when removing the pad retainer from the torque member.
• Never damage the piston boot.
• Never drop the brake pads and shims.
• Remember each position of the removed brake pads.
4.
Perform inspection after removal. Refer to
BR-42, "BRAKE PAD : Inspection"
.
INSTALLATION
WARNING:
Clean any dust from the brake caliper assembly and brake pads with a vacuum dust collector. Never
blow with compressed air.
CAUTION:
• Never depress the brake pedal while removing the brake pads because the piston may pop out.
• If the brake fluid or grease adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
1.
Cylinder body
2.
Inner shim
3.
Inner pad (with pad wear sensor)
4.
Pad retaining
5.
Torque member
6.
Outer pad
7.
Outer shim
: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
Refer to
for symbols not described on the above.
JPFIA0734GB
BR-42
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
1.
Install the torque member if the pad retainers has been removed.
CAUTION:
• Securely assemble the pad retainers so that it will not be lifted up from the torque member.
• Never deform the pad retainers.
2.
Apply PCB (Poly Butyl Cuprysil) grease or silicone-based
grease to the matching faces (A) between the brake pad and
shim, and install the shims to brake pads.
CAUTION:
Always replace the shims when replacing the brake pad.
3.
Apply PCB (Poly Butyl Cuprysil) grease or silicone-based
grease to the matching faces (B) between the brake pad and
torque member.
4.
Install cylinder body to the torque member.
CAUTION:
• Never damage the piston boot.
• When replacing brake pad with new one, check a brake
fluid level in the reservoir tank because brake fluid returns to reservoir tank when pressing pis-
ton in.
NOTE:
Use a disc brake piston tool to easily press piston.
5.
Install the upper sliding pin bolt and tighten it to the specified torque.
6.
Depress the brake pedal several times to check that no drag feel is present for the front disc brake. Refer
to
BR-42, "BRAKE PAD : Inspection"
.
7.
Install tires with power tool. Refer to
BRAKE PAD : Inspection
INFOID:0000000006222497
INSPECTION AFTER REMOVAL
• Replace the shims if rust is excessively attached.
• Eliminate rust on the pad retainers and the torque member. Replace them if rust is excessively attached.
INSPECTION AFTER INSTALLATION
1.
Check a drag of rear disc brake. If any drag is found, follow the procedure described below.
2.
Remove brake pads. Refer to
BR-41, "BRAKE PAD : Removal and Installation"
.
3.
Press the piston. Refer to
BR-41, "BRAKE PAD : Removal and Installation"
.
4.
Install brake pads. Refer to
BR-41, "BRAKE PAD : Removal and Installation"
.
5.
Depress the brake pedal several times.
6.
Check a drag of rear disc brake again. If any drag is found, disassemble the caliper. Refer to
"BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
7.
Burnish contact surfaces brake pads and disc rotor after refinishing or replacing brake pads, or if a soft
pedal occurs at very low mileage. Refer to
BR-18, "BRAKE PAD : Inspection and Adjustment"
BRAKE CALIPER ASSEMBLY
BRAKE CALIPER ASSEMBLY : Exploded View
INFOID:0000000006222498
REMOVAL
JPFIA0741ZZ
REAR DISC BRAKE
BR-43
< REMOVAL AND INSTALLATION >
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DISASSEMBLY
BRAKE CALIPER ASSEMBLY : Removal and Installation
INFOID:0000000006222499
REMOVAL
WARNING:
Clean any dust from the brake caliper assembly and brake pads with a vacuum dust collector. Never
blow with compressed air.
1.
Brake caliper assembly
Refer to
for symbols in the figure.
JPFIA0735GB
1.
Cap
2.
Bleeder valve
3.
Cylinder body
4.
Piston seal
5.
Piston
6.
Piston boot
7.
Sliding pin
8.
Bushing
9.
Sliding pin boot
10.
Torque member
: Apply rubber grease.
: Apply brake fluid
Refer to
for symbols not described on the above.
JPFIA0736GB
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