Nissan Murano. Instruction — part 207
BR-38
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
• Securely assemble the pad retainers so that it will not be lifted up from the torque member.
• Never deform the pad retainers.
2.
Apply copper based brake grease to the mating faces between the shims and shim covers, and install
them to the brake pads.
CAUTION:
Always replace the shims together with the shim covers when replacing the brake pad.
3.
Install the brake pads to the torque member.
CAUTION:
Both inner and outer pads have a pad return system on the
pad retainer. Install pad return lever (1) securely to pad wear
sensor (2).
4.
Install the cylinder body to the torque member.
CAUTION:
• Never damage the piston boot.
• When replacing a pad with new one, check a brake fluid
level in the reservoir tank because brake fluid returns to
master cylinder reservoir tank when pressing piston in.
NOTE:
Use a disc brake piston tool to easily press piston.
5.
Install the lower 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-38, "BRAKE PAD (2 PISTON TYPE) : Inspection"
BRAKE PAD (2 PISTON TYPE) : Inspection
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INSPECTION AFTER REMOVAL
Replace the shims and the shim covers if rust is excessively attached.
INSPECTION AFTER INSTALLATION
1.
Check a drag of front disc brake. If any drag is found, follow the procedure described below.
2.
Remove brake pads.
3.
Press the piston.
CAUTION:
• Never damage the piston boot.
• When replacing a pad with new one, check a brake fluid level in the reservoir tank because brake
fluid returns to master cylinder reservoir tank when pressing piston in.
NOTE:
Use a disc brake piston tool to easily press piston.
4.
Install brake pads.
5.
Depress the brake pedal several times.
6.
Check a drag of front disc brake again. If any drag is found, disassemble the cylinder body. Refer to
44, "BRAKE CALIPER ASSEMBLY (2 PISTON TYPE) : Disassembly and Assembly"
.
7.
Burnish contact surfaces after refinishing or replacing pads, or if a soft pedal occurs at very low mileage.
Refer to
BR-16, "BRAKE PAD : Inspection and Adjustment"
.
BRAKE CALIPER ASSEMBLY (1 PISTON TYPE)
BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Exploded View
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REMOVAL
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FRONT DISC BRAKE
BR-39
< REMOVAL AND INSTALLATION >
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DISASSEMBLY
BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Removal and Installation
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REMOVAL
WARNING:
1.
Brake caliper assembly
Refer to
for symbols not described on the above.
JSFIA1553GB
1.
Cap
2.
Bleeder valve
3.
Cylinder body
4.
Piston seal
5.
Piston
6.
Piston boot
7.
Sliding pin
8.
Sliding pin boot
9.
Bushing
10. Torque member
1: Apply rubber grease.
2: Apply polyglycol ether based lubricant.
: Apply brake fluid.
Refer to
for symbols not described on the above.
JPFIA0309GB
BR-40
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
Since dust covering the front brake has an affect on human body, the dust must be removed with a
dust collector. Never splatter the dust with an air blow gun.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1.
Remove tires with power tool.
2.
Fix the disc rotor using wheel nuts.
3.
Drain brake fluid. Refer to
.
CAUTION:
Never spill or splash brake fluid on the disc rotor.
4.
Remove union bolt and copper washers, and then disconnect brake hose from caliper assembly. Refer to
BR-22, "FRONT : Exploded View"
.
5.
Remove torque member mounting bolts, and remove brake caliper assembly.
CAUTION:
Never drop brake pads and caliper assembly.
6.
Remove disc rotor.
CAUTION:
• Put matching marks on the wheel hub and bearing assembly and the disc rotor before removing
the disc rotor.
• Never drop disc rotor.
INSTALLATION
WARNING:
Since dust covering the front brake has an affect on human body, the dust must be removed with a
dust collector. Never splatter the dust with an air blow gun.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1.
Install disc rotor.
CAUTION:
Align the matching marks put during removal when reusing the disc rotor.
2.
Install the brake caliper assembly to the vehicle and tighten the torque member mounting bolts to the
specified torque.
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts and washers. Wipe out any grease and moisture.
3.
Install brake hose and copper washers to brake caliper assembly, and tighten union bolts to the specified
torque. Refer to
BR-22, "FRONT : Exploded View"
CAUTION:
Never reuse copper washer.
4.
Refill with new brake fluid and perform the air bleeding. Refer to
BR-13, "Bleeding Brake System"
.
CAUTION:
• Never reuse drained brake fluid.
• Never spill or splash brake fluid on the disc rotor.
5.
Check a drag of front disc brake. If any drag is found, refer to
BR-42, "BRAKE CALIPER ASSEMBLY (1
BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Disassembly and Assembly
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DISASSEMBLY
NOTE:
Never remove the torque member and pad retainers when disassembling and assembling the cylinder body.
1.
Remove the sliding pin bolts, and remove the cylinder body from the torque member.
CAUTION:
Never drop brake pads, shims, shim covers and pad retainers from torque member.
2.
Remove brake pads, shims and shim cover. Refer to
BR-35, "BRAKE PAD (1 PISTON TYPE) : Exploded
.
3.
Remove sliding pins and sliding pin boots from torque member.
FRONT DISC BRAKE
BR-41
< REMOVAL AND INSTALLATION >
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4.
Remove bushing from sliding pin.
5.
Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove piston and piston boot.
CAUTION:
Never get fingers caught in the piston.
6.
Remove piston seal from cylinder body using suitable tool.
CAUTION:
Be careful not to damage a cylinder inner wall.
7.
Remove bleeder valve and cap.
ASSEMBLY
1.
Install bleeder valve and cap.
2.
Apply polyglycol ether based lubricant to piston seal (1), and
install to cylinder body.
CAUTION:
Never reuse piston seal.
3.
Apply rubber grease to piston boot (1). Cover the piston (2) end
with piston boot, and then install cylinder side lip on piston boot
securely into a groove on cylinder body.
CAUTION:
Never reuse piston boot.
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