Nissan Leaf. Instruction — part 300
FRONT DISC BRAKE
BR-521
< REMOVAL AND INSTALLATION >
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3. Push piston (1) into brake caliper by hand and push piston boot
(2) piston side lip into the piston groove.
CAUTION:
Press the piston evenly and vary the pressing point to pre-
vent cylinder inner wall from being rubbed.
BRAKE CALIPER ASSEMBLY : Inspection
INFOID:0000000010123150
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
Cylinder Body
Check the inner wall of the cylinder for rust, wear, cracks or damage.
CAUTION:
Always clean with new brake fluid. Never clean with mineral oil such as gasoline and light oil.
Torque Member
Check the torque member for rust, wear, cracks or damage.
Pistons
Check the surface of the piston for rust, wear, cracks or damage.
CAUTION:
To prevent damage to the parts, piston sliding surface is plated. Never polish with sandpaper.
Sliding Pin, Sliding Pin Boot and Bushing
Check the sliding pins, sliding boots and bushing for rust, wear, cracks or damage.
INSPECTION AFTER INSTALLATION
• Check a drag of front disc brake. If any drag is found, follow the procedure described below.
1. Remove brake pads. Refer to
BR-516, "BRAKE PAD : Removal and Installation"
2. Press the piston. Refer to
BR-516, "BRAKE PAD : Removal and Installation"
.
3. Install brake pads. Refer to
BR-516, "BRAKE PAD : Removal and Installation"
.
4. Securely depress the brake pedal several times.
5. Check a drag of front disc brake again. If any drag is found, disassemble the cylinder body and replace if
necessary. Refer to
BR-520, "BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
.
• Burnish contact surface between disc rotor and brake pads after refinishing or replacing disc rotor, or if a soft
pedal occurs at very low mileage. Refer to
BR-496, "DISC ROTOR : Inspection and Adjustment"
.
JPFIA0041ZZ
BR-522
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
REAR DISC BRAKE
BRAKE PAD
BRAKE PAD : Exploded View
INFOID:0000000010123151
Molykote is a registered trademark of Dow Corning Corporation.
BRAKE PAD : Removal and Installation
INFOID:0000000010123152
REMOVAL
WARNING:
Since dust covering the front and rear brakes has an affect on human body, the dust must be removed
with a dust collector. Do not splatter the dust with an air blow gun.
CAUTION:
• Do not depress brake pedal. While removing the brake pads because the piston may pop out.
• Do not spill or splash brake fluid on the disc rotor.
• To prevent damage to the parts, if the brake fluid or grease adheres to the disc rotor, quickly wipe it
off.
1. Remove wheel and tire using power tool. Refer to
WT-45, "Removal and Installation"
Sliding pin bolt
Cylinder body
Inner shim cover
Inner shim
Inner pad (with pad wear sensor)
Pad retainer
Torque member
Outer pad
Outer shim
Outer shim cover
1 Apply rubber grease.
2: Apply MOLYKOTE
®
AS880N or silicone-based grease.
3: Apply MOLYKOTE
®
7439 or equivalent
: N·m (kg-m, ft-lb)
JSFIA0780GB
REAR DISC BRAKE
BR-523
< REMOVAL AND INSTALLATION >
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2. Remove lower sliding pin bolt.
3. Remove cylinder body from torque member, and suspend the
cylinder body with suitable wire so that the brake hose will not
stretch.
4. Remove the brake pads, shims, shim covers and pad retainers from the torque member.
CAUTION:
• Do not deform the pad retainer when removing the pad
retainer from the torque member .
• Do not damage the piston boot.
• Do not drop the brake pads, shims, and the shim covers.
• Remember each position of the removed brake pads.
5. Perform inspection after removal. Refer to
.
INSTALLATION
WARNING:
Since dust covering the front and rear brakes has an affect on human body, the dust must be removed
with a dust collector. Do not splatter the dust with an air blow gun.
CAUTION:
• Do not depress brake pedal. While removing the brake pads or the cylinder body because the piston
may pop out.
• Do not spill or splash brake fluid on the disc rotor.
• To prevent damage to the parts, if the brake fluid or grease adheres to the disc rotor, quickly wipe it
off.
1. Install the pad retainers to 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.
• Do not deform the pad retainers.
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PFIA0763J
BR-524
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
2. Apply MOLYKOTE
®
AS880N or silicone-based grease to the
mating faces between the brake pads and the shims ,
and install the shims and shim covers to the brake pad.
CAUTION:
Always replace the shim together with the shim cover when
replacing the brake pad.
Molykote is a registered trademark of Dow Corning Corporation.
3. Apply MOLYKOTE
®
7439 or equivalent to the mating faces
between the brake pads and the pad retainers.
Molykote is a registered trademark of Dow Corning Corporation.
4. Install the brake pads to the torque member.
CAUTION:
Do not deform the pad retainers.
5. Install cylinder body to torque member.
CAUTION:
• Do not 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 master cylinder reservoir tank when pressing
piston in.
NOTE:
Use a disc brake piston tool to easily press piston.
6. Apply rubber grease to the sliding pin bolt, install the lower slid-
ing pin bolt and tighten it to the specified torque.
7. Depress the brake pedal several times to check that no drag feel
is present for the rear disc brake. Refer to
.
8. Install wheel and tire. Refer to
BRAKE PAD : Inspection
INFOID:0000000010123153
INSPECTION AFTER REMOVAL
• Replace the shims and the shim covers 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
• Check a drag of rear disc brake. If any drag is found, follow the procedure described below.
1. Remove brake pads. Refer to
BR-522, "BRAKE PAD : Removal and Installation"
2. Press the pistons. Refer to
BR-522, "BRAKE PAD : Removal and Installation"
3. Install brake pads. Refer to
BR-522, "BRAKE PAD : Removal and Installation"
.
4. Securely depress the brake pedal several times.
5. Check a drag of rear disc brake again. If any drag is found, disassemble the cylinder body and replace if
necessary. Refer to
BR-527, "BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
• 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-498, "BRAKE PAD : Inspection and Adjustment"
BRAKE CALIPER ASSEMBLY
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