Nissan Xterra. Instruction — part 84
FRONT DISC BRAKE
BR-45
< UNIT DISASSEMBLY AND ASSEMBLY >
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FRONT DISC BRAKE
Exploded View of Brake Caliper
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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, do not depress brake pedal because piston will pop out.
• 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 grease and 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:0000000009484671
DISASSEMBLY
1. Remove the caliper body from the torque member. Refer to
BR-34, "Removal and Installation of Brake
.
2. Remove the upper sliding pin, lower sliding pin, and sliding pin boots from the torque member.
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 sealing washers
13. Union bolt
14. Front brake hose
R.
Rubber grease
BR-46
< UNIT DISASSEMBLY AND ASSEMBLY >
FRONT DISC BRAKE
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.
ASSEMBLY
CAUTION:
Use NISSAN Rubber Grease when assembling.
1. Install the bleed valve and cap.
BRB0032D
SFIA0141E
FRONT DISC BRAKE
BR-47
< UNIT DISASSEMBLY AND ASSEMBLY >
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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.
6. Install the caliper body on the torque member. Refer to
BR-34, "Removal and Installation of Brake Caliper
.
JPFIA0032ZZ
JPFIA0033ZZ
JPFIA0034ZZ
BR-48
< UNIT DISASSEMBLY AND ASSEMBLY >
REAR DISC BRAKE
REAR DISC BRAKE
Exploded View of Brake Caliper
INFOID:0000000009484672
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, do not depress brake pedal because piston will pop out.
• 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 grease and 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:0000000009484673
DISASSEMBLY
1. Remove the caliper body from the torque member. Refer to
BR-39, "Removal and Installation of Brake
2. Remove the sliding pins and boots from the torque member.
AWFIA0712GB
1.
Brake hose
2.
Hose connection
3.
Copper sealing washer
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
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