Nissan Qashqai J11. Manual — part 853
FSU-2
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
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Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
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NVH in WT section
NVH in WT section
Possible cause and SUSPECTED PARTS
Im
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ora
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s interference
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on
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en
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ta
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e
PROPELLER SHAF
T (4WD)
DIFFERE
N
T
IAL (4WD
)
FRONT AXLE AND F
R
ONT
SUSPENSI
ON
TIRES
R
O
AD
W
H
EE
L
DRIVE SHA
F
T
BRAKE
STEERI
N
G
Symp-
tom
FRONT SUSPEN-
SION
Noise
× × × × × ×
× × ×
× × ×
× ×
Shake
× × × ×
×
×
×
× × ×
× ×
Vibration
× × × × ×
×
×
×
×
×
Shimmy
× × × ×
×
×
× ×
× ×
Judder
× × ×
×
× ×
× ×
Poor quality ride or han-
dling
× × × × ×
× ×
×
× ×
PRECAUTIONS
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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
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CAUTION:
Comply with the following cautions to prevent any error and malfunction.
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-
THEFT SYSTEM).
• Remove and install all control units after disconnecting both battery cables with the ignition switch
in the LOCK position.
• Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Use the Intelligent Key or mechanical key to turn the ignition switch to the ACC position. At this time, the
steering lock will be released.
3.
Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4.
Perform the necessary repair operation.
FSU-4
< PRECAUTION >
PRECAUTIONS
5.
When the repair work is completed, return the ignition switch to the LOCK position before connecting the
battery cables. (At this time, the steering lock mechanism will engage.)
6.
Perform a self-diagnosis check of all control units using CONSULT.
Precaution for Procedure without Cowl Top Cover
INFOID:0000000010297064
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.
Precautions for Suspension
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CAUTION:
• When installing rubber bushings, the final tightening must be carried out under unladen conditions
with tires on ground. Oil might shorten the life of rubber bushings. Be sure to wipe off any spilled oil.
- Unladen conditions mean that fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools
and mats are in designated positions.
• After servicing suspension parts, be sure to check wheel alignment.
• Self-lock nuts are not reusable. Always use new ones when installing. Since new self-lock nuts are
pre-oiled, tighten as they are.
PIIB3706J
PREPARATION
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PREPARATION
PREPARATION
Special Service Tool
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Commercial Service Tool
INFOID:0000000010590087
Tool number
Tool name
Description
KV991040S1
CCK gauge attachment
1. Plate
2. Guide bolt
3. Nut
4. Spring
5. Center plate
6. KV99104020 Adapter A
a: 72 mm (2.83 in) dia.
7. KV99104030 Adapter B
b: 65 mm (2.56 in) dia.
8. KV99104040 Adapter C
c: 57 mm (2.24 in) dia.
9. KV99104050 Adapter D
d: 53.4 mm (2.102 in) dia.
Measuring wheel alignment
ST35652000
Strut attachment
Disassembling and assembling strut
S-NT498
ZZA0807D
Tool name
Description
Spring compressor
Removing and installing coil spring
NI-4038
Chisel
Separating steering knuckle from front coil
spring and strut
S-NT717
ALEIA0224ZZ
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