Nissan Frontier. Manual — part 113
BR-32
< REMOVAL AND INSTALLATION >
VACUUM LINES
VACUUM LINES
Removal and Installation
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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 check valve from the brake booster.
INSTALLATION
Installation is in the reverse order of removal.
• Insert vacuum 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
Vacuum hose length (A)
: 24 mm (0.94 in) or more
JPFIA0023ZZ
FRONT DISC BRAKE
BR-33
< REMOVAL AND INSTALLATION >
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FRONT DISC BRAKE
Exploded View of Brake Pads
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Front 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, do not 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 rotors and pads 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
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REMOVAL
1. Remove the front wheel and tire using power tool. Refer to
2. Remove master cylinder reservoir cap.
3. Remove lower sliding pin bolt using power tool and swing the caliper body up to access the brake pads.
4. Support the caliper body with a suitable wire to avoid pulling on the front brake hose.
5. Remove the front inner and outer brake pads, shims, shim cover, pad return spring and retainers from the
torque member.
AWFIA1054ZZ
1.
Inner shim
2.
Pad return spring
3.
Upper pad retainer
4.
Lower pad retainer
5.
Inner brake pad
6.
Outer brake pad
7.
Outer shim
8.
Outer shim cover
N.
Molykote 7439 grease
BR-34
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
INSTALLATION
1. Apply Molykote 7439 grease (A) to the pad retainers as shown.
2. Attach pad retainers to torque member. then install the brake
pads, shims and shim cover to the torque member.
CAUTION:
When attaching pad retainer, attach it firmly so that it is
flush with torque member, as shown.
3. 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.
4. Install pad return spring to bottom edge of the brake pads in the holes provided.
5. Remove the suitable wire, then swing caliper body down over pad assemblies.
6. Install the lower sliding pin bolt and tighten to specification. Refer to
BR-35, "Exploded View of Brake Cal-
7. Check the brakes for drag.
8. Inspect the brake fluid level, then install the master cylinder reservoir cap.
9. Install the front wheel and tire. Refer to
Brake Burnishing
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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
FRONT DISC BRAKE
BR-35
< REMOVAL AND INSTALLATION >
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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 rotors 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
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NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove the front wheel and tire using power tool. Refer to
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
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