Nissan X-Trail 32. Manual — part 118
BR-66
< REMOVAL AND INSTALLATION >
[LHD]
REAR DISC BRAKE
3.
Apply rubber grease to mating faces
between sliding pins
and sliding pin boots
, and install sliding pins and sliding pin
boots to torque member
.
4.
Install the cylinder body to tighten cylinder body mounting bolts to the specified torque. Refer to
BRAKE CALIPER ASSEMBLY : Inspection and Adjustment
INFOID:0000000010838621
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
Cylinder Body
Check the cylinder inner wall for rust, wear, cracks or damage.
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.
Sliding Pin, Sliding Pin Boot and Bushing
Check the sliding pins, sliding pin boots and bushing for rust, wear, cracks or damage.
INSPECTION AFTER INSTALLATION
• Check a drag of rear disc brake. If any drag is found, follow the procedure described below.
1.
Remove brake pads. Refer to
BR-60, "BRAKE PAD : Removal and Installation"
.
2.
Press the pistons. Refer to
BR-60, "BRAKE PAD : Removal and Installation"
.
3.
Install brake pads. Refer to
BR-60, "BRAKE PAD : Removal and Installation"
.
4.
Depress the brake pedal several times.
5.
Check a drag of rear disc brake again. When any drag is found, disassemble the cylinder body and
replace if necessary. Refer to
BR-65, "BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
.
• Burnish contact surfaces brake pads and disc rotor after refinishing or replacing disc rotor, or if a soft pedal
occurs at very low mileage. Refer to
BR-19, "BRAKE PAD : Inspection and Adjustment"
.
JPFIA0837ZZ
SERVICE DATA AND SPECIFICATIONS (SDS)
BR-67
< SERVICE DATA AND SPECIFICATIONS (SDS)
[LHD]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000010838545
Unit: mm (in)
Brake Pedal
INFOID:0000000010838546
Unit: mm (in)
Brake Booster
INFOID:0000000010838547
Unit: mm (in)
Front Disc Brake
INFOID:0000000010838548
Unit: mm (in)
Rear Disc Brake
INFOID:0000000010838549
Unit: mm (in)
Front brake
Caliper type
1 piston type
2 piston type
Cylinder bore diameter
60.33 (2.3752)
44.45
×
2 (1.7500
×
2)
Pad length
×
width
×
thickness
123.6
×
47.5
×
10.5 (4.87
×
1.870
×
0.413)
133.6
×
48.5
×
10.0 (5.26
×
1.909
×
0.39)
Rotor outer diameter
×
thickness
296
×
26.0 (11.65
×
1.024)
320
×
28.0 (12.60
×
1.102)
Rear brake
Cylinder bore diameter
38.2 (1.504)
Pad length
×
width
×
thickness
82.9
×
39.8
×
9.0 (3.263
×
1.567
×
0.354)
Rotor outer diameter
×
thickness
292
×
16.0 (11.50
×
0.630)
Master cylinder
Cylinder bore diameter
23.81 (0.9374)
Control valve
Valve type
Electric brake force distribution
Brake booster
Diaphragm diameter
275 (10.83)
Recommended brake fluid
MA-23, "Fluids and Lubricants"
.
Item
Standard
Brake pedal height
175.9 – 185.9 (6.93 – 7.32)
Depressed brake pedal height
[Depressing 490 N (50 kg, 110 lb) while turning the engine ON]
75.0 (2.95) or more
Clearance between stop lamp switch and brake pedal position switch (with ASCD) threaded
end and the brake pedal lever
0.20 – 1.96 (0.0079 – 0.0772)
Brake pedal play
3 – 11 (0.12 – 0.43)
Item
Standard
Input rod length
158.95 – 160.45 (6.26 –6.32)
Item
Limit
Brake caliper type
1 piston type
2 piston type
Brake pad
Wear thickness
2.0 (0.079)
2.0 (0.079)
Disc rotor
Wear thickness
24.0 (0.945)
26.0 (1.0236)
Thickness variation (measured at 8 positions)
0.020 (0.0008)
0.020 (0.0008)
Runout (with it attached to the vehicle)
0.035 (0.0014)
0.035 (0.0014)
BR-68
< SERVICE DATA AND SPECIFICATIONS (SDS)
[LHD]
SERVICE DATA AND SPECIFICATIONS (SDS)
Item
Limit
Brake pad
Wear thickness
2.0 (0.079)
Disc rotor
Wear thickness
14.0 (0.551)
Thickness variation (measured at 8 positions)
0.020 (0.0008)
Runout (with it attached to the vehicle)
0.070 (0.0028)
PRECAUTIONS
BR-69
< PRECAUTION >
[RHD]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000011022310
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the “SRS AIR BAG” and
“SEAT BELT” of this Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000011022309
CAUTION:
Comply with the following cautions to prevent any error and malfunction.
• Before removing and installing any control units, first turn the ignition power source and accessory
power source to the OFF, then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect
both battery cables.
• Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing
work. If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Open driver door.
3.
Turn the ignition switch to the ON position.
(At this time, the steering lock will be released.)
4.
Turn the ignition switch to OFF position with driver door open.
5.
Wait for 3 minutes or longer with driver door open.
NOTE:
• Do not close driver door because the steering wheel locks when driver door is closed.
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