Nissan Pathfinder (2010 year). Manual — part 97
BR-46
< ON-VEHICLE REPAIR >
REAR DISC BRAKE
3. Remove the union bolt then disconnect the brake hose and dis-
card the copper washers.
CAUTION:
Discard the copper washers, do not reuse.
4. Remove the sliding pin bolts and remove the caliper body from
torque member.
5. Remove the brake pads, shims and retainers from the torque member.
6. Remove the torque member bolts and remove the torque member.
7. Remove the disc rotor. If reusing the disc rotor, apply a matching
mark as shown for installation.
CAUTION:
Put matching marks on the wheel hub assembly and disc
rotor, if reusing the disc rotor.
INSTALLATION
1. Install the disc rotor. If reusing the disc rotor, align the matching
marks as shown for installation.
CAUTION:
Align the matching marks on the wheel hub assembly and
disc rotor, if reusing the disc rotor.
2. Install torque member and tighten the torque member bolts to specification. Refer to
.
3. Install the brake pads, shims and retainers on the torque member. Refer to
4. Install caliper body and sliding pins, then tighten the sliding pin bolts to the specified torque. Refer to
45, "Exploded View of Brake Caliper"
CAUTION:
When installing the caliper body to the torque member, wipe any oil off of the knuckle spindle,
washers and caliper body attachment surfaces.
LFIA0211E
SDIA2638E
SDIA2638E
2010 Pathfinder
REAR DISC BRAKE
BR-47
< ON-VEHICLE REPAIR >
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5. Install brake hose by aligning with the protrusion on caliper
body, then install new copper washers and union bolt. Tighten
union bolt to specified torque. Refer to
CAUTION:
Use new copper washers for installation.
6. Refill with new brake fluid as necessary and bleed the air. Refer to
.
CAUTION:
• Refill with new brake fluid.
• Do not reuse drained brake fluid.
7. Install the rear wheel and tire. Refer to
SFIA1137E
2010 Pathfinder
BR-48
< DISASSEMBLY AND ASSEMBLY >
BRAKE MASTER CYLINDER
DISASSEMBLY AND ASSEMBLY
BRAKE MASTER CYLINDER
Disassembly and Assembly
INFOID:0000000005260225
Brake Master Cylinder
DISASSEMBLY
CAUTION:
• Master cylinder sub-assembly cannot be disassembled.
• Remove reservoir tank only when absolutely necessary.
• While working, cover the primary piston rod with a cloth to prevent it from being damaged.
• Never use mineral oils such as kerosene, gasoline during the cleaning and assembly process.
• Do not drop parts. If a part is dropped, do not use it.
AWFIA0462GB
1.
Reservoir cap
2.
Strainer
3.
Fluid level sensor
4.
Reservoir tank
5.
Grommet
6.
Restriction washer
7.
Master cylinder sub-assembly
8.
Fluid pressure sensor
9.
O-ring
10. Brake booster
11. Pin
A.
PBC (Poly Butyl Cuprysil) grease
or silicone based grease
B.
Brake fluid
R.
Rubber grease
Front
2010 Pathfinder
BRAKE MASTER CYLINDER
BR-49
< DISASSEMBLY AND ASSEMBLY >
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1. Secure the flange of the master cylinder sub-assembly in a vise.
CAUTION:
• Use copper plates or a cloth to cover the flange before
securing it in the vise.
• When securing the master cylinder sub-assembly in a
vise, be sure not to over-tighten the vise.
2. Remove the pin and pull the reservoir tank off of the master cylinder sub-assembly.
3. Remove the grommets from the master cylinder sub-assembly body.
CAUTION:
Do not reuse grommets.
4. Remove the restriction washer from the master cylinder sub-assembly body.
CAUTION:
Do not reuse restriction washer.
5. Remove the fluid level sensor.
6. Remove the fluid pressure sensor.
CAUTION:
Do not reuse fluid level pressure sensor.
ASSEMBLY
Assembly is in the reverse order of disassembly.
CAUTION:
• Master cylinder sub-assembly cannot be disassembled.
• Remove reservoir tank only when absolutely necessary.
• While working, cover the primary piston rod with a cloth to prevent it from being damaged.
• Never use mineral oils such as kerosene, gasoline during the cleaning and assembly process.
• Do not drop parts. If a part is dropped, do not use it.
BRA0558D
2010 Pathfinder
BR-50
< DISASSEMBLY AND ASSEMBLY >
FRONT DISC BRAKE
FRONT DISC BRAKE
Exploded View of Brake Caliper
INFOID:0000000005260226
Front Disc Brake Caliper
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
• While removing caliper 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 caliper body. In this case, hang caliper body with a wire so as not to stretch the brake
hose.
• Do not damage the piston boot.
• If any shim is subject to serious corrosion, replace it with a new one.
• Always replace shim and shim cover as a set when replacing brake pads.
• Keep rotor free from brake fluid.
• Burnish the brake contact surface after refinishing or replacing rotors, after replacing pads, or if a
soft pedal occurs at very low mileage. Refer to
.
Disassembly and Assembly
INFOID:0000000005260227
DISASSEMBLY
AWFIA0467GB
1.
Sliding pin bolt
2.
Caliper body
3.
Piston seal
4.
Piston
5.
Piston boot
6.
Sliding pin
7.
Sliding pin boot
8.
Torque member bolt
9.
Torque member
10. Bleed valve
11. Cap
12. Copper washers
13. Union bolt
14. Front brake hose
R.
Rubber grease
2010 Pathfinder
FRONT DISC BRAKE
BR-51
< DISASSEMBLY AND ASSEMBLY >
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1. Remove the caliper body from the torque member. Refer to
BR-40, "Removal and Installation of Brake
.
2. Remove the upper sliding pin, lower sliding pin, and sliding pin boots from the torque member.
CAUTION:
Upper sliding pin must be replaced at each service.
3. Place a wooden block as shown, and then blow air from the
union bolt hole to remove the pistons and piston boots.
WARNING:
Do not get your fingers caught between the pistons and
wooden block.
4. Remove the piston boots from the pistons.
CAUTION:
Do not reuse piston boot.
5. Remove piston seals from cylinder body, using a suitable tool.
CAUTION:
• Be careful not to damage cylinder body inner wall.
• Do not reuse piston seal.
6. Remove the bleed valve and cap.
CALIPER INSPECTION
Cylinder Body
• Check the inside surface of the cylinder body for score, rust, wear, damage or foreign materials. If any of the
above conditions are observed, replace the cylinder body.
• Minor damage from rust or foreign materials may be eliminated by polishing surface with a fine emery paper.
Replace cylinder body if necessary.
CAUTION:
• Use new brake fluid for cleaning. Do not use mineral oils such as gasoline or kerosene.
Torque Member
Check the torque member for wear, cracks, and damage. If damage or deformation is present, replace the
torque member.
Piston
Check the pistons for score, rust, wear, damage or presence of foreign materials. Replace if any of these con-
ditions are observed.
CAUTION:
Piston sliding surface is plated, do not polish with emery paper even if rust or foreign materials are
stuck to sliding surface.
Sliding Pins, and Sliding Pin Boots
Check the sliding pins and sliding pin boots for wear, damage, and cracks. If damage or deformation is
present, replace the affected part.
CAUTION:
Upper sliding pin must be replaced at each service.
ASSEMBLY
BRB0032D
SFIA0141E
2010 Pathfinder
BR-52
< DISASSEMBLY AND ASSEMBLY >
FRONT DISC BRAKE
CAUTION:
Use NISSAN Rubber Grease when assembling.
1. Install the bleed valve and cap.
2. Apply rubber grease to the new piston seals (1) and insert the
new piston seals (1) into the groove on the cylinder body.
CAUTION:
Do not reuse piston seals.
3. Apply rubber grease to the new piston boots (1). Cover the pis-
ton end (2) with the piston boot (1), and then install the cylinder
side lip on the piston boot (1) securely into the groove on the cyl-
inder body.
CAUTION:
• Do not reuse piston boot.
• Press pistons in evenly and vary the pressing points to
prevent the cylinder inner wall from being damaged.
4. Install the pistons (1) into the cylinder body and insert the piston
boots (2) side lip into the piston groove as shown.
CAUTION:
Press pistons in evenly and vary the pressing points to pre-
vent the cylinder inner wall from being damaged.
5. Apply rubber grease to the sliding pin boots, then install the new upper sliding pin, lower sliding pin, and
sliding pin boots on the torque member.
CAUTION:
Upper sliding pin must be replaced at each service.
6. Install the cylinder body on the torque member. Refer to
BR-40, "Removal and Installation of Brake Cali-
.
JPFIA0032ZZ
JPFIA0033ZZ
JPFIA0034ZZ
2010 Pathfinder
REAR DISC BRAKE
BR-53
< DISASSEMBLY AND ASSEMBLY >
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REAR DISC BRAKE
Exploded View of Brake Caliper
INFOID:0000000005260228
Rear Disc Brake Caliper
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
• While removing caliper 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 caliper body. In this case, hang caliper body with a wire so as not to stretch the brake
hose.
• Do not damage the piston boot.
• If any shim is subject to serious corrosion, replace it with a new one.
• Always replace shim and shim cover as a set when replacing brake pads.
• Keep rotor free from brake fluid.
• Burnish the brake contact surface after refinishing or replacing rotors, after replacing pads, or if a
soft pedal occurs at very low mileage. Refer to
.
Disassembly and Assembly
INFOID:0000000005260229
DISASSEMBLY
1. Remove the cylinder body. Refer to
BR-45, "Removal and Installation of Brake Caliper and Disc Rotor"
.
2. Remove the sliding sleeves and boots from the torque member.
AWFIA0471GB
1.
Union bolt
2.
Brake hose
3.
Copper washers
4.
Sliding pin bolt
5.
Cap
6.
Bleed valve
7.
Caliper body
8.
Sliding pin
9.
Piston seal
10. Piston
11. Piston boot
12. Torque member
13. Torque member bolt
14. Sliding pin boot
R.
Rubber grease
2010 Pathfinder
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