Nissan Pathfinder (2012 year). Instruction — part 89
FRONT DISC BRAKE
BR-39
< REMOVAL AND INSTALLATION >
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FRONT DISC BRAKE
Exploded View of Brake Pads
INFOID:0000000007356627
Front Brake Pads, Shims and Retainers VQ40DE
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1.
Outer shim cover
2.
Outer shim
3.
Upper pad retainer
4.
Lower pad retainer
5.
Inner brake pad
6.
Outer brake pad
7.
Inner shim
A.
Molykote AS-880N grease
B.
Molykote 7439 grease
August 2012
2012 Pathfinder
BR-40
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
Front Brake Pads, Shims and Retainers VK56DE
WARNING:
Clean dust on caliper and brake pads with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
• While removing brake pads 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 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
.
Removal and Installation of Brake Pad
INFOID:0000000007356628
REMOVAL
1. Remove the front wheel and tire. Refer to
.
2. Remove master cylinder reservoir cap.
3. Partially drain the brake fluid. Refer to
4. Remove lower sliding pin bolt using power tool and swing the caliper body up to access the brake pads.
5. Support the caliper body with a suitable wire to avoid pulling on the front brake hose.
6. Remove the front inner and outer brake pads, shims, shim covers and retainers from the torque member.
INSTALLATION
1. Apply grease to the shims and shim covers as follows:
AWFIA0849ZZ
1.
Inner shim cover
2.
Inner shim
3.
Upper pad retainer
4.
Lower pad retainer
5.
Inner brake pad
6.
Outer brake pad
7.
Outer shim
8.
Outer shim cover
A.
Molykote AS-880N grease
B.
Molykote 7439 grease
August 2012
2012 Pathfinder
FRONT DISC BRAKE
BR-41
< REMOVAL AND INSTALLATION >
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• For vehicles equipped with VK56DE engine, apply Molykote AS-880N grease between the inner and
outer shims and shim covers, then attach shims and shim covers to the brake pads.
• For vehicles equipped with VQ40DE engine, apply Molykote AS-880N grease between the outer shim
and shim cover, then attach the shims and outer shim cover to the brake pads.
2. Apply Molykote 7439 grease (A) to the pad retainers as shown,
then install the brake pads, shims and shim covers to the torque
member.
3. Attach pad retainers to torque member.
CAUTION:
When attaching pad retainer, attach it firmly so that it is
flush with torque member, as shown.
4. Using a suitable tool push pistons into caliper body.
CAUTION:
When pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of
the brake fluid in the reservoir tank.
5. Remove the suitable wire, then swing the caliper body down over the brake pad assemblies.
6. Install the lower sliding pin bolt and tighten to specification. Refer to
BR-42, "Exploded View of Brake Cal-
7. Check the brakes for drag.
8. Inspect the brake fluid level, refill if necessary. Refer to
.
9. Install the front wheel and tire. Refer to
.
Brake Burnishing
INFOID:0000000007356629
Burnish brake contact surface according to the following procedure after refinishing or replacing rotors, after
replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on a straight smooth road at 50 km/h (31 MPH).
2. Use medium brake pedal/foot effort to bring the vehicle to a complete stop from 50 km/h (31 MPH). Adjust
brake pedal/foot pressure such that vehicle stopping time equals 3 to 5 seconds.
3. To cool brake system, drive the vehicle at 50 km/h (31 MPH) for 1 minute without stopping.
4. Repeat steps 1 to 3, 10 times or more to complete the burnishing procedure.
AWFIA0039ZZ
PFIA0273E
August 2012
2012 Pathfinder
BR-42
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
Exploded View of Brake Caliper
INFOID:0000000007356630
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 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
.
Removal and Installation of Brake Caliper and Disc Rotor
INFOID:0000000007356631
REMOVAL
1. Remove the front wheel and tire. Refer to
.
2. Remove master cylinder reservoir cap.
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
August 2012
2012 Pathfinder
FRONT DISC BRAKE
BR-43
< REMOVAL AND INSTALLATION >
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3. Remove the union bolt then disconnect the brake hose and dis-
card the copper sealing washers.
CAUTION:
Do not reuse copper sealing washers.
4. Remove the sliding pin bolts and remove the caliper body from
the torque member.
5. Remove the brake pads, shims, shim covers 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, shim covers and retainers on the torque member. Refer to
LFIA0235E
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SDIA2608E
SDIA2608E
August 2012
2012 Pathfinder
BR-44
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
4. Install caliper body and sliding pins, then tighten the sliding pin
bolts to the specified torque. Refer to
CAUTION:
When installing the caliper body to the torque member,
wipe any oil off of the torque member, washers and caliper
body attachment surfaces.
5. Install brake hose by aligning with the protrusion on caliper
body, then install new copper sealing washers (1) and union bolt
(A). Tighten union bolt (A) to specified torque. Refer to
.
CAUTION:
Do not reuse copper sealing washers.
6. Refill with new brake fluid as necessary and bleed the brake system. Refer to
CAUTION:
• Refill with new brake fluid.
• Do not reuse drained brake fluid.
7. Install the front wheel and tire. Refer to
AWFIA0788ZZ
AWFIA0795ZZ
August 2012
2012 Pathfinder
REAR DISC BRAKE
BR-45
< REMOVAL AND INSTALLATION >
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REAR DISC BRAKE
Exploded View of Brake Pad
INFOID:0000000007356632
Rear Brake Pads, Shims and Retainers
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 brake pads 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 inner and outer shims 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
.
Removal and Installation of Brake Pad
INFOID:0000000007356633
REMOVAL
1. Remove the rear wheel and tire. Refer to
2. Remove master cylinder reservoir cap.
AWFIA0596ZZ
1.
Inner shim
2.
Upper pad retainer
3.
Inner brake pad
4.
Outer brake pad
5.
Lower pad retainer
6.
Outer shim
A.
Molykote 7439 grease
August 2012
2012 Pathfinder
BR-46
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
3. Partially drain the brake fluid. Refer to
4. Remove lower sliding pin bolt using power tool and swing the caliper body up to access the brake pads.
5. Support the caliper body with a suitable wire to avoid pulling on the rear brake hose.
6. Remove the rear inner and outer brake pads, shims and retainers from the torque member.
INSTALLATION
1. Attach shims to the brake pads.
2. Apply Molykote 7439 grease (A) to the pad retainers as shown.
3. Attach pad retainer to torque member, then install brake pad and
shim assemblies.
CAUTION:
When attaching pad retainer, attach it firmly so that it is
flush with torque member, as shown.
4. Using a suitable tool push piston into caliper body.
CAUTION:
By pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of the
brake fluid in the reservoir tank.
5. Remove the suitable wire then swing the caliper body down over the brake pad assemblies.
6. Install the lower sliding pin bolt and tighten to specification. Refer to
BR-47, "Exploded View of Brake Cal-
7. Check the brakes for drag.
8. Inspect the brake fluid level and refill if necessary. Refer to
9. Install the rear wheel and tire. Refer to
Brake Burnishing
INFOID:0000000007356634
Burnish brake contact surface according to the following procedure after refinishing or replacing rotors, after
replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on a straight smooth road at 50 km/h (31 MPH).
2. Use medium brake pedal/foot effort to bring the vehicle to a complete stop from 50 km/h (31 MPH). Adjust
brake pedal/foot pressure such that vehicle stopping time equals 3 to 5 seconds.
3. To cool brake system, drive the vehicle at 50 km/h (31 MPH) for 1 minute without stopping.
4. Repeat steps 1 to 3, 10 times or more to complete the burnishing procedure.
AWFIA0039ZZ
PFIA0273E
August 2012
2012 Pathfinder
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