Nissan Qashqai J11. Manual — part 891
BR-36
< REMOVAL AND INSTALLATION >
[LHD]
FRONT DISC BRAKE
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
• Never depress the brake pedal while removing the brake pads or the cylinder body because the pis-
ton may pop out.
• Never spill or splash brake fluid on the disc rotor.
1.
Install pad retainer to the torque member if pad retainer is removed.
CAUTION:
• Securely assemble the pad retainers so thatthey cannot be lifted up from the torque member.
• Never deform the pad retainers.
2.
Apply copper based brake grease to the mating faces between the pads, shims and shim covers, and
install them to the brake pad.
CAUTION:
Always replace the shims together with the shim covers when replacing the brake pad.
3.
Install the cylinder body and brake pads to the torque member.
CAUTION:
• Never damage the piston boot.
• When replacing pads with new ones, check the brake fluid level in the reservoir tank because
brake fluid returns to master cylinder reservoir tank when pressing piston in.
NOTE:
Use a disc brake piston tool to easily press piston.
4.
Install the lower sliding pin bolt and tighten it to the specified torque.
5.
Depress the brake pedal several times to check that no drag feel is present for the front disc brake.
6.
Install tires.
BRAKE PAD : Inspection and Adjustment
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INSPECTION AFTER REMOVAL
Replace the shims and the shim covers if rust is excessively attached.
ADJUSTMENT AFTER INSTALLATION
Brake Burnishing Procedure
Burnish contact surfaces between pads according to following procedure after refinishing or 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 pads 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.
BRAKE CALIPER ASSEMBLY
FRONT DISC BRAKE
BR-37
< REMOVAL AND INSTALLATION >
[LHD]
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BRAKE CALIPER ASSEMBLY : Exploded View
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BRAKE CALIPER ASSEMBLY : Removal and Installation
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REMOVAL
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1.
Remove tires.
2.
Fix the disc rotor using wheel nuts.
3.
Drain brake fluid. Refer to
CAUTION:
Never spill or splash brake fluid on the disc rotor.
4.
Remove union bolt, and then disconnect brake hose from caliper assembly.
1.
Brake hose
2.
Union bolt
3.
Copper washer
4.
Cap
5.
Bleeder valve
6.
Cylinder body
7.
Sliding pin
8.
Sliding pin boot
9.
Bushing
10.
Piston seal
11.
Piston
12.
Piston boot
13.
Torque member
14.
Inner shim cover
15.
Inner shim
16.
Inner pad
17.
Pad retainer
18.
Outer pad
19.
Outer shim
20.
Outer shim cover
1: Apply rubber grease.
2: Apply copper based brake grease.
: Apply brake fluid.
Refer to
for symbols not described on the above.
JPFIA0090GB
BR-38
< REMOVAL AND INSTALLATION >
[LHD]
FRONT DISC BRAKE
5.
Remove torque member mounting bolts, and remove brake cali-
per assembly.
CAUTION:
Never drop brake pads and caliper assembly.
6.
Remove disc rotor.
CAUTION:
• Put matching marks on the wheel hub and bearing assem-
bly and the disc rotor before removing the disc rotor.
• Never drop disc rotor.
INSTALLATION
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1.
Install disc rotor.
CAUTION:
Align the matching marks made during removal when reusing the disc rotor.
2.
Install the brake caliper assembly to the vehicle and tighten the torque member mounting bolts at 120N.m
(12,3 ; 88,5).
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts and washers. Wipe out any grease and moisture.
3.
Install brake hose to brake caliper assembly, and tighten union bolts to the specified torque.
4.
Refill with new brake fluid and perform the air bleeding. Refer to
BR-12, "Bleeding Brake System"
.
CAUTION:
• Never reuse drained brake fluid.
• Never spill or splash brake fluid on the disc rotor.
5.
Check that no drag feel is present for the front disc brake.
6.
Install tires.
BRAKE CALIPER ASSEMBLY : Disassembly and Assembly
INFOID:0000000010305389
DISASSEMBLY
NOTE:
Never remove the torque member, brake pads, shims, shim covers and pad retainers when disassembling and
assembling the cylinder body.
1.
Remove the sliding pin bolts, and remove the cylinder body from the torque member.
CAUTION:
Never drop pads, shims, shim covers and pad retainers from torque member.
2.
Remove sliding pins and sliding pin boots from torque member.
3.
Remove bushing from sliding pin.
4.
Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove piston and piston boot.
CAUTION:
Never get fingers caught in the piston.
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MAA0272D
FRONT DISC BRAKE
BR-39
< REMOVAL AND INSTALLATION >
[LHD]
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5.
Remove piston seal from cylinder body using suitable tool.
CAUTION:
Be careful not to damage a cylinder inner wall.
ASSEMBLY
1.
Apply rubber grease to piston seal (1), and install to cylinder
body.
CAUTION:
Never reuse piston seal.
2.
Apply rubber grease to piston boot (1). Cover the piston (2) end
with piston boot, and then install cylinder side lip on piston boot
securely into a groove on cylinder body.
CAUTION:
Never reuse piston boot.
3.
Apply brake fluid to piston (1). Push piston into cylinder body by
hand and push piston boot (2) piston-side lip into the piston
groove.
CAUTION:
Press the piston evenly and vary the pressing point to pre-
vent cylinder inner wall from being rubbed.
4.
Apply rubber grease to bushing, install bushing to sliding pin.
5.
Apply rubber grease to sliding pins and sliding pin boots, install
sliding pins and sliding pin boots to torque member.
6.
Install the cylinder body to the torque member and tighten the
sliding pin bolts to the specified torque.
BRAKE CALIPER ASSEMBLY : Inspection and Adjustment
INFOID:0000000010305390
INSPECTION AFTER DISASSEMBLY
Cylinder Body
Check the inner wall of the cylinder for rust, wear, cracks or damage. Replace the cylinder if any abnormal
condition is detected.
CAUTION:
Always clean with new brake fluid. Never clean with mineral oil such as gasoline and light oil.
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