Nissan Qashqai J11. Manual — part 904
BR-88
< REMOVAL AND INSTALLATION >
[RHD]
REAR DISC BRAKE
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.
5.
Remove piston seal from cylinder body using suitable tool.
CAUTION:
Be careful not to damage a cylinder inner wall.
ASSEMBLY
1.
Apply polyglycol ether based lubricant 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 the piston boot, and then install cylinder side lip on the pis-
ton boot securely into the groove on cylinder body.
CAUTION:
Never reuse piston boot.
BRD0041D
JPFIA0038ZZ
JPFIA0039ZZ
JPFIA0040ZZ
REAR DISC BRAKE
BR-89
< REMOVAL AND INSTALLATION >
[RHD]
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
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 polyglycol ether based lubricant to bushing, install bush-
ing to sliding pin bolt.
5.
Apply rubber grease to the sliding pin bolts and the sliding pin
boots, install sliding pin boot 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:0000000010471477
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.
Torque Member
Check the torque member for rust, wear, cracks or damage. Replace the member if any abnormal condition is
detected.
Piston
Check the piston for rust, wear, cracks or damage. Replace the piston if any abnormal condition is detected.
CAUTION:
A piston sliding surface is plated. Never polish with sandpaper.
Sliding Pin Bolt and Sliding Pin Boot
Check the sliding pin bolts and sliding pin boots for rust, wear, cracks or damage. Replace the parts if any
abnormal condition is detected.
ADJUSTMENT AFTER INSTALLATION
Brake Burnishing Procedure
Burnish contact surfaces between disc rotors and pads according to the following procedure after refinishing
or replacing disc rotor, 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.
JPFIA0041ZZ
BR-90
< SERVICE DATA AND SPECIFICATIONS (SDS)
[RHD]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000010464132
Unit: mm (in.)
Brake Pedal
INFOID:0000000010464133
Unit: mm (in.)
Brake Booster
INFOID:0000000010464134
Vacuum type
Unit: mm (in.)
Front Disc Brake
INFOID:0000000010464135
Unit: mm (in)
Rear Disc Brake
INFOID:0000000010464136
Unit: mm (in)
Front brake
Cylinder bore diameter
60.33 (2.375)
Pad length
×
width
×
thickness
123.6
×
47.5
×
11.0 (4.87
×
1.870
×
0.433)
Rotor outer diameter
×
thickness
296
×
26.0 (11.65
×
1.024)
Rear brake
Cylinder bore diameter
38.1 (1.5)
Pad length
×
width
×
thickness
83.0
×
31.9
×
8.5 (3.268
×
1.256
×
0.335)
Rotor outer diameter
×
thickness
292
×
16 (11.50
×
0.630)
Master cylinder
Cylinder bore diameter
23.8 (15/16)
Control valve
Valve type
Electric brake force distribution
Brake booster
Diaphragm diameter
275 (10.8)
Recommended brake fluid
DOT 4
Brake pedal height (H
1
)
175.9 – 185.9 (6.93 – 7.32)
Clearance (C) between bracket and ASCD cancel switch/stop lamp switch threaded end
0.20 – 1.96 (0.0079 – 0.0772)
Brake pedal play (A)
—
Depressed brake pedal height (H
2
)
[Depressing 490 N (50 kg, 110 lb) while turning the engine ON]
135.1 (5.32)
Output rod length (A)
30.5 (1.201)
Input rod length (B)
150.7 – 157.7 (5.93 – 6.21)
Item
Limit
Brake pad
Wear limit thickness
2.0 (0.079)
Disc brake rotor
Wear limit thickness
24.0 (0.945)
Thickness variation (measured at 8 positions)
0.020 (0.0008)
Runout limit (with it attached to the vehicle)
0.035 (0.0014)
Item
Limit
Brake pad
Wear limit thickness
1.5 (0.059)
Disc brake rotor
Wear limit thickness
14.0 (0.551)
Thickness variation (measured at 8 positions)
0.020 (0.0008)
Runout limit (with it attached to the vehicle)
0.070 (0.0028)
PB-1
BRAKES
C
D
E
G
H
I
J
K
L
M
SECTION
PB
A
B
PB
N
O
P
CONTENTS
PARKING BRAKE SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Technicians Using Medical Electric
. ..
Point to Be Checked Before Starting Maintenance
Work . . . . . . . . . . . . . . . . . . ..
Precautions for Removing Battery Terminal . . .....
Precaution for Parking Brake System . . . . . ...
Precaution for Harness Repair . . . . . . . . ..
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
DESCRIPTION . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ....
COMPONENT PARTS . . . . . . . . . ...
Component Parts Location . . . . . . . . . ..
Electric Parking Brake Control Module . . . . ...
Parking Brake Switch . . . . . . . . . . . ..
Parking Brake Actuator . . . . . . . . . . ...
SYSTEM . . . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . .
Circuit Diagram . . . . . . . . . . . . . ...
Fail-Safe . . . . . . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (ELECTRIC PARKING
BRAKE CONTROL MODULE) . . . . . . ...
CONSULT Function . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
ELECTRIC PARKING BRAKE CONTROL
MODULE . . . . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . ..
Fail-Safe . . . . . . . . . . . . . . . . ..
DTC Inspection Priority Chart . . . . . . . . ..
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
ELECTRIC PARKING BRAKE SYSTEM . . ..
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
Diagnostic Work Sheet . . . . . . . . . . .
CONFIGURATION (ELECTRIC PARKING
BRAKE CONTROL MODULE) . . . . . . .
Work Procedure . . . . . . . . . . . . . ...
INSTRUCTIONS FOR RELEASING PARK-
ING BRAKE WHERE PARKING BRAKE
SWITCH CANNOT BE USED . . . . . . ...
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
REPLACEMENT OF REAR BRAKE PAD . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
ADJUSTMENT OF REAR BRAKE CALIPER
INITIAL POSITION . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
CALIBRATION OF G SENSOR . . . . . .
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