Nissan Silvia. Instruction — part 117
CLUTCH
CONTENTS
PRECAUTIONS . . . . . . . . . . . . . . . ...2
Precautions . . . . . . . . . . . . . . . . ..2
PREPARATION . . . . . . . . . . . . . . . ...3
Special Service Tools . . . . . . . . . . . . ..3
Commercial Service Tools . . . . . . . . . . ...3
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . . .4
NVH Troubleshooting Chart. . . . . . . . . . .4
. . . . . . . . . . . . . . . . ...4
CLUTCH SYSTEM - HYDRAULIC TYPE. . . . . . 5
Components. . . . . . . . . . . . . . . . .5
Inspection and Adjustment . . . . . . . . . . ..6
. . . . . . . . . 6
. . . . . . . . . 6
CLUTCH MASTER CYLINDER. . . . . . . . . ...7
Components. . . . . . . . . . . . . . . . .7
Removal. . . . . . . . . . . . . . . . . ...7
Installation. . . . . . . . . . . . . . . . . 8
Disassembly. . . . . . . . . . . . . . . . .8
Inspection. . . . . . . . . . . . . . . . . .8
Assembly . . . . . . . . . . . . . . . . . .9
OPERATING CYLINDER. . . . . . . . . . . ...10
Components. . . . . . . . . . . . . . . ...10
Removal. . . . . . . . . . . . . . . . . .10
Disassembly. . . . . . . . . . . . . . . ...10
Inspection. . . . . . . . . . . . . . . . ...10
Assembly . . . . . . . . . . . . . . . . ... 11
Installation. . . . . . . . . . . . . . . . .. 11
PIPING . . . . . . . . . . . . . . . . . . ...12
Removal. . . . . . . . . . . . . . . . . .12
Installation. . . . . . . . . . . . . . . . ..12
CLUTCH RELEASE MECHANISM . . . . . . . ...13
Components. . . . . . . . . . . . . . . ...13
Removal and Installation . . . . . . . . . . ...13
Inspection. . . . . . . . . . . . . . . . ...14
Lubrication . . . . . . . . . . . . . . . . .14
CLUTCH DISC, CLUTCH COVER AND
FLYWHEEL. . . . . . . . . . . . . . . . . 15
Components. . . . . . . . . . . . . . . ...15
Inspection and Adjustment . . . . . . . . . . 15
. . . . . . . . . . . . . . .15
. . . . . . . . . . 16
Installation. . . . . . . . . . . . . . . . ..16
SERVICE DATA AND SPECIFICATIONS (SDS) . . .17
Clutch Control System. . . . . . . . . . . ...17
Clutch Master Cylinder . . . . . . . . . . . ..17
Clutch Operating Cylinder . . . . . . . . . . .17
Clutch Disc. . . . . . . . . . . . . . . . .17
Clutch Cover . . . . . . . . . . . . . . . ..17
Clutch Pedal . . . . . . . . . . . . . . . ..17
GI
MA
EM
LC
EC
FE
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SBR820B
Precautions
NMCL0001
I
Recommended fluid is brake fluid “DOT 3”.
I
Never reuse drained brake fluid.
I
Be careful not to splash brake fluid on painted areas.
I
When removing and installing clutch piping, use Tool.
I
Use new brake fluid to clean or wash all parts of master
cylinder, operating cylinder and clutch damper.
I
Never use mineral oils such as gasoline or kerosene. It will
ruin the rubber parts of the hydraulic system.
WARNING:
After cleaning the clutch disc, wipe it with a dust collector. Do
not use compressed air.
PRECAUTIONS
Precautions
CL-2
Special Service Tools
NMCL0002
Tool number
Tool name
Description
GG94310000
Flare nut torque wrench
NT406
Removing and installing clutch piping
a: 10 mm (0.39 in)
KV30100100
Clutch aligning bar
NT840
Installing clutch disc
a: 22.8 mm (0.898 in)
b: 15.7 mm (0.618 in)
c: 12 mm (0.472 in)
KV32101000
Pin punch
NT410
Removing and installing master cylinder spring
pin
a: 4 mm (0.157 in) dia.
Commercial Service Tools
NMCL0003
Tool name
Description
1 Flare nut crowfoot
2 Torque wrench
NT360
Removing and installing clutch piping
a: 10 mm (0.39 in)
Bearing puller
NT077
Removing release bearing
Bearing drift
NT474
Installing release bearing
a: 52 mm (2.05 in) dia.
b: 45 mm (1.77 in) dia.
GI
MA
EM
LC
EC
FE
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
PREPARATION
Special Service Tools
CL-3
NMCL0027
NVH Troubleshooting Chart
NMCL0027S01
Use the chart below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, repair or replace these parts.
CLUTCH
NMCL0027S0101
Reference page
CL-6
Refer
to
EM-66,
“REMOV
AL”.
CL-15
CL-15
CL-15
CL-15
CL-15
CL-15
SUSPECTED PARTS
(Possible cause)
CLUTCH
PEDAL
(Free
play
out
of
adjustment)
CLUTCH
LINE
(Air
in
line)
MASTER
CYLINDER
PIST
ON
CUP
(Damaged)
OPERA
TING
CYLINDER
PIST
ON
CUP
(Damaged)
ENGINE
MOUNTING
(Loose)
RELEASE
BEARING
(W
orn,
dirty
or
damaged)
CLUTCH
DISC
(Out
of
true)
CLUTCH
DISC
(Runout
is
excessive)
CLUTCH
DISC
(Lining
broken)
CLUTCH
DISC
(Dirty
or
burned)
CLUTCH
DISC
(Oily)
CLUTCH
DISC
(W
orn
out)
CLUTCH
DISC
(Hardened)
CLUTCH
DISC
(Lack
of
spline
grease)
DIAPHRAGM
SPRING
(Damaged)
DIAPHRAGM
SPRING
(Out
of
tip
alignment)
PRESSURE
PLA
TE
(Distortion)
FL
YWHEEL
(Distortion)
Symptom
Clutch grabs/chatters
1
2
2
2
2
2
Clutch pedal spongy
1
2
2
Clutch noisy
1
Clutch slips
1
2
2
3
4
5
Clutch does not disen-
gage
1
2
3
4
5
5
5
5
5
5
6
6
7
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
CL-4
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