Nissan Maxima. Manual — part 241
BR-32
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
Exploded View of Brake Caliper
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Removal and Installation of Brake Caliper and Rotor
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WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.
CAUTION:
• When removing and installing the cylinder body, do not depress the brake pedal because the piston
will pop out.
• Do not damage the piston boot.
• Keep the brake rotor free from grease and brake fluid.
• Refill the brake reservoir with new brake fluid only.
• Do not reuse the drained brake fluid.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove front wheel and tire using power tool. Refer to
2. Secure the disc rotor using a wheel nut.
3. Remove the reservoir cap.
1.
Union bolt
2.
Copper sealing washer
3.
Brake hose
4.
Cap
5.
Bleed valve
6.
Sliding pin bolt
7.
Piston seal
8.
Piston
9.
Piston boot
10. Cylinder body
11. Upper sliding pin
12. Lower sliding pin bolt
13. Torque member bolt
14. Washer
15. Sliding pin boot
16. Bushing
17. Torque member
A.
Rubber grease
B.
Brake fluid
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FRONT DISC BRAKE
BR-33
< REMOVAL AND INSTALLATION >
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4. Remove the union bolt (1) and disconnect the brake hose from the caliper assembly. Discard the copper
sealing washers.
CAUTION:
Do not reuse copper sealing washers.
5. Remove the upper and lower sliding pin bolts.
NOTE:
Note the sliding pin orientation during removal. The lower sliding pin contains a bushing.
6. Remove the brake caliper.
7. Remove the torque member bolts (2), and the torque member.
CAUTION:
Do not drop the brake pads.
8. Remove the disc rotor. If reusing the disc rotor, apply a matching
mark as shown for installation.
CAUTION:
Put matching marks on 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
mark on the disc rotor and wheel hub assembly for installation
as shown.
CAUTION:
Align the matching marks on wheel hub assembly and disc
rotor, if reusing the disc rotor.
2. Install the brake caliper assembly, and tighten the torque member bolts to the specified torque.
CAUTION:
Do not allow oil or any moisture on all contact surfaces between steering knuckle and caliper
assembly, bolts, and washer.
3. Install the brake hose with two new copper sealing washers (1),
using the L-shaped pin for alignment as shown, then tighten the
union bolt (A) to the specified torque.
CAUTION:
Do not reuse copper sealing washers.
4. Refill the brake hydraulic system with new brake fluid and bleed air. Refer to
5. Check the front disc brakes for drag.
6. Install the reservoir cap.
7. Install the front wheel and tire. Refer to
.
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BR-34
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
REAR DISC BRAKE
Exploded View of Brake Pads
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Removal and Installation of Brake Pads
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WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.
CAUTION:
• While removing and installing cylinder body, 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 assembly. For pad removal and installation, hang cylinder body with a wire so
as not to stretch brake hose.
• Do not damage piston boot.
• If any shim is subject to serious corrosion, replace it with a new one.
• Always replace shim and shim covers as a set when replacing brake pads.
• Keep rotor and pads free from grease and brake fluid.
• Burnish the brake pads and disc rotor mutually contacting surfaces after refinishing or replacing
rotors, after replacing pads, or if a soft pedal occurs at very low mileage. Refer to
.
REMOVAL
1. Partially drain brake fluid from the master cylinder.
2. Remove the rear wheel and tire using power tool. Refer to
.
3. Remove the upper sliding pin bolt and loosen the lower sliding pin bolt to swing the cylinder body down.
4. Remove the pads, pad retainers, shims, and shim covers from the torque member.
1.
Inner shim cover
2.
Inner shim
3.
Inner pad
4.
Pad retainer
5.
Outer pad
6.
Outer shim
7.
Outer shim cover
A.
Molykote AS-880N grease
B.
Molykote 7439 grease
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REAR DISC BRAKE
BR-35
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CAUTION:
Do not deform the pad retainers when removing them from the torque member.
INSTALLATION
1. Apply Molykote AS-880N grease or equivalent to between shim covers and shims. Install inner shim, inner
shim cover to inner pad. Install outer shim and outer shim cover to outer pad.
2. Apply Molykote 7439 grease (A) or equivalent to between pad
retainer and pad. Install pad retainers and pads to torque mem-
ber.
3. Press in piston using suitable tool, until the pads can be
installed, and then install the cylinder body in the torque mem-
ber.
CAUTION:
When replacing pads with new set, check the brake fluid
level in the reservoir tank because brake fluid returns to the
master cylinder reservoir tank when pressing in the piston.
4. Install upper sliding pin bolt and tighten the upper and lower slid-
ing pin bolts to the specified torque.
5. Check the rear disc brakes for drag.
6. Install the rear wheel and tire. Refer to
7. Check brake fluid level and refill as necessary. Refer to
.
Brake Burnishing Procedure
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Burnish contact surfaces between disc rotors and pads according to following procedure after refinishing or
replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
• Be careful of vehicle speed because the brake does not operate easily until pad and disc rotor are
securely fitted.
• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.
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