Nissan Sentra. Manual — part 204
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TRANSMISSION & DRIVELINE
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SECTION
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CONTENTS
CLUTCH
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Procedure without Cowl Top Cover . ..
Service Notice or Precautions for Clutch . . . . ..
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tools . . . . . . . . . . . ....
Commercial Service Tools . . . . . . . . . ....
SYMPTOM DIAGNOSIS . . . . . . . ...
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . . .
NVH Troubleshooting Chart . . . . . . . . . ..
PERIODIC MAINTENANCE . . . . . . ..
CLUTCH PEDAL . . . . . . . . . . . . .
Inspection and Adjustment . . . . . . . . . ....
CLUTCH FLUID . . . . . . . . . . . . ...
Inspection . . . . . . . . . . . . . . . . ..
Draining . . . . . . . . . . . . . . . . .....
Refilling . . . . . . . . . . . . . . . . .....
Air Bleeding . . . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
CLUTCH PEDAL . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection and Adjustment . . . . . . . . . ..
CLUTCH MASTER CYLINDER . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection and Adjustment . . . . . . . . . ..
CLUTCH PIPING . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . . .
Hydraulic Layout . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . . .
Inspection and Adjustment . . . . . . . . . ..
CSC (CONCENTRIC SLAVE CYLINDER) . ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection and Adjustment . . . . . . . . . ..
CLUTCH DISC AND CLUTCH COVER . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
General Specifications . . . . . . . . . . . .
Clutch Pedal . . . . . . . . . . . . . . .
Clutch Disc . . . . . . . . . . . . . . . ..
CL-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009757014
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 SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which 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 the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT 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 three minutes before performing any service.
Precaution for Procedure without Cowl Top Cover
INFOID:0000000009757015
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc. to prevent damage to
windshield.
Service Notice or Precautions for Clutch
INFOID:0000000009757016
WARNING:
After cleaning clutch disc, wipe it with a dust collector. Do not use compressed air.
CAUTION:
• Clutch fluid use refer to
MA-11, "Fluids and Lubricants"
.
• Do not reuse drained clutch fluid.
• Keep painted surface on the body or other parts free of clutch fluid. If it spills, wipe up immediately
and wash the affected area with water.
• Do not use mineral oils such as gasoline or kerosene. It will ruin the rubber parts of the hydraulic
system.
• Do not reuse CSC (Concentric Slave Cylinder). Because CSC slides back to the original position
every time when removing transaxle assembly. At this timing, dust on the sliding parts may damage
a seal of CSC and may cause clutch fluid leakage. Refer to
CL-16, "Removal and Installation"
• Do not disassemble clutch master cylinder and CSC.
PIIB3706J
PREPARATION
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< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000009757017
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
INFOID:0000000009757018
Tool number
(TechMate No.)
Tool name
Description
ST20050240
( — )
Diaphragm adjusting wrench
Adjusting unevenness of diaphragm spring le-
ver
ZZA0508D
Tool name
Description
Clutch aligner
Installing clutch disc
Power tool
Loosening nuts, screws and bolts
MCIB0404E
PIIB1407E
CL-4
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000009757019
Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If nec-
essary, repair or replace these parts.
SUSPECTED PARTS (Possible cause)
CLUTCH P
E
DAL (I
ns
pe
ct
ion
a
nd
ad
ju
stm
en
t)
CLUTCH LINE (A
ir in line)
ENGINE MOU
NTING (Loose)
CSC (Con
ce
nt
ric
Sla
ve
Cy
lin
de
r) (W
orn
, d
irty
or
da
ma
ge
d)
CLUTCH DISC (Out
of
true)
CLUTCH DISC (Runou
t i
s ex
ce
ssi
ve
)
CLUTCH DISC (Lining
broken)
CLUTCH DISC (Dirty or burned)
CLUTCH DISC (Oily)
CLUTCH DISC (W
orn out)
CLUTCH DISC (Hardened)
CLUTCH DISC (Lack of
s
pl
ine
g
rea
se
)
DI
APHRAGM SPRI
N
G (Dam
ag
ed
)
DIAPHRAGM
SPRING (Ou
t of
ti
p a
lig
nm
en
t)
PRESSURE P
LA
T
E (Di
st
orti
on)
FL
YWHE
EL (Di
stortion)
Reference
Symptom
Clutch grabs/chatters
1
2
2
2
2
2
Clutch pedal spongy
1
2
Clutch noisy
1
Clutch slips
1
2
2
3
4
5
Clutch does not disengage
1
2
3
3
3
3
3
3
3
4
4
5
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