Nissan Pathfinder (2011 year). Instruction — part 89
VACUUM LINES
BR-39
< REMOVAL AND INSTALLATION >
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VACUUM LINES
Removal and Installation
INFOID:0000000006245723
Brake Booster Vacuum Hose
REMOVAL
1. Disconnect brake booster hose from hose clip bracket.
2. Release the brake booster hose clamps and remove the brake booster hose.
3. Remove the brake booster vacuum check valve from the brake booster.
INSTALLATION
Installation is in the reverse order of removal.
• Insert brake booster hose onto tube and brake booster vacuum
check valve for a minimum length (A) before installing the brake
booster hose clamps.
CAUTION:
Do not use lubricating oil during installation.
WFIA0332E
1.
Brake booster hose
2.
Brake booster hose clamp
3.
Brake booster vacuum check valve
Brake booster hose length
(A)
: 24 mm (0.94 in) or more
JPFIA0023ZZ
2011 Pathfinder
BR-40
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
FRONT DISC BRAKE
Exploded View of Brake Pads
INFOID:0000000006245724
Front Brake Pads, Shims and Retainers VQ40DE
AWFIA0847ZZ
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
2011 Pathfinder
FRONT DISC BRAKE
BR-41
< REMOVAL AND INSTALLATION >
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Front Brake Pads, Shims and Retainers VK56DE
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 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:0000000006245725
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
2011 Pathfinder
BR-42
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
• 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. Attach pad retainers to torque member.
CAUTION:
When attaching pad retainer, attach it firmly so that it is
flush with torque member, as shown.
3. Apply Molykote 7439 grease to the pad retainers as shown, then
install the brake pads, shims and shim covers to the torque
member.
4. Using a suitable tool push pistons into caliper body.
CAUTION:
When pushing in piston, brake fluid returns to master cylin-
der 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.
BR-43, "Exploded View of Brake Caliper"
.
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:0000000006245726
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.
PFIA0273E
AWFIA0039ZZ
2011 Pathfinder
FRONT DISC BRAKE
BR-43
< REMOVAL AND INSTALLATION >
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Exploded View of Brake Caliper
INFOID:0000000006245727
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:0000000006245728
REMOVAL
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
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
2011 Pathfinder
BR-44
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
1. Remove the front wheel and tire. Refer to
.
2. Remove master cylinder reservoir cap.
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
AWFIA0788ZZ
SDIA2608E
SDIA2608E
2011 Pathfinder
FRONT DISC BRAKE
BR-45
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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 knuckle spindle, 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 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
2011 Pathfinder
BR-46
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
REAR DISC BRAKE
Exploded View of Brake Pad
INFOID:0000000006245729
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:0000000006245730
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
2011 Pathfinder
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