Infiniti FX35, FX50 (S51). Manual — part 239
REAR DISC BRAKE
BR-53
< REMOVAL AND INSTALLATION >
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CAUTION:
• Never depress the brake pedal while removing the brake pads or the cylinder body because the pis-
ton may pop out.
• Never spill or splash brake fluid on the disc rotor.
1.
Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease to the pad retainers before installing it 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.
• Never deform the pad retainers.
2.
Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease to the mating faces between the shims
and the shim cover.
CAUTION:
Always replace the shims together with the shim cover when replacing the brake pad.
3.
Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease to the mating faces between the brake
pads and pad retainers and install them to the brake pads.
4.
Install cylinder body and brake pads to 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 master cylinder reservoir tank when pressing piston 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 rear disc brake. Refer
to
BR-53, "BRAKE PAD (1 PISTON TYPE) : Inspection"
BRAKE PAD (1 PISTON TYPE) : Inspection
INFOID:0000000005234211
INSPECTION AFTER REMOVAL
Replace the shims and the shim cover 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.
3.
Press the pistons.
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 rear disc brake again. If any drag is found, disassemble the cylinder body. Refer to
58, "BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Disassembly and Assembly"
.
7.
Burnish contact surface between brake pads and disc rotor after refinishing or replacing brake pads, or if
a soft pedal occurs at very low mileage. Refer to
BR-16, "BRAKE PAD : Inspection and Adjustment"
.
BRAKE PAD (2 PISTON TYPE)
BR-54
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
BRAKE PAD (2 PISTON TYPE) : Exploded View
INFOID:0000000005234212
BRAKE PAD (2 PISTON TYPE) : Removal and Installation
INFOID:0000000005234213
REMOVAL
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
• Never depress the brake pedal while removing the brake pads or the cylinder body because the pis-
ton may pop out.
• Never spill or splash brake fluid on the disc rotor and caliper.
1.
Remove tires with power tool.
2.
Remove clips from pad pins.
1.
Clip
2.
Pad pin
3.
Inner shim cover
4.
Inner shim
5.
Inner pad (with pad wear sensor)*
6.
Cross spring
7.
Caliper
8.
Outer pad
9.
Outer shim
10.
Outer shim cover
*: Some vehicles has pad wear sensor only for one side.
: Apply copper based brake grease.
Refer to
for symbols not described on the above.
JPFIA0462ZZ
JPFIA0220ZZ
REAR DISC BRAKE
BR-55
< REMOVAL AND INSTALLATION >
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3.
Remove pad pins while holding down cross spring, then remove
cross spring from caliper.
4.
Using pliers, remove brake pads, shims and shim covers from
caliper.
CAUTION:
• Never damage the piston boot.
• Never drop the brake pad, shims, and the shim cover.
• Remember each position of the removed brake pads.
INSTALLATION
WARNING:
Clean any dust from the brake caliper 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.
• Never spill or splash brake fluid on the disc rotor and caliper.
1.
Apply copper based brake grease to the mating faces between the brake pads, shims and shim cover,
and install shims and shim cover to the brake pad.
CAUTION:
Always replace the shims together when replacing the brake pad.
2.
Apply copper based brake grease to the mating faces between the brake pads and caliper.
3.
Apply copper based brake grease to the mating faces between the brake pads and pad pins.
4.
Apply copper based brake grease to the mating faces between the brake pads and cross spring.
5.
Install brake pads to caliper.
CAUTION:
• Never damage the piston boot.
• In the case of 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.
6.
Install upper pad pin from the inner side, then install firmly to the outer side through the hole in the top of
brake pad.
7.
Place the top of cross spring over the upper pad pin, press in the
cross spring, install lower pad pin from the inner side to the outer
side, and secure cross spring.
8.
Install clips to the pad pins.
CAUTION:
If clip is not fully attached, pad pin or brake pad could fall
out while vehicle is in motion.
9.
Depress the brake pedal several times to check that no drag feel
is present for the rear disc brake. Refer to
.
JPFIA0221ZZ
JPFIA0222ZZ
JPFIA0223ZZ
BR-56
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
BRAKE PAD (2 PISTON TYPE) : Inspection
INFOID:0000000005234214
INSPECTION AFTER REMOVAL
Replace the shims and shim cover 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.
3.
Press the pistons.
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 rear disc brake again. If any drag is found, disassemble the cylinder body. Refer to
62, "BRAKE CALIPER ASSEMBLY (2 PISTON TYPE) : Disassembly and Assembly"
.
7.
Burnish contact surface between brake pads and disc rotor after refinishing or replacing brake 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
INFOID:0000000005234215
REMOVAL
DISASSEMBLY
1.
Brake caliper assembly
Refer to
for symbols not described on the above.
JPFIA0311GB
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