Nissan Silvia. Manual - part 117

CLUTCH

SECTION

CL

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

CLUTCH

...................................................................4

CLUTCH SYSTEM - HYDRAULIC TYPE........................5

Components.................................................................5
Inspection and Adjustment ..........................................6

ADJUSTING CLUTCH PEDAL

....................................6

AIR BLEEDING PROCEDURE

....................................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

CLUTCH DISC

.........................................................15

CLUTCH COVER AND FLYWHEEL

...........................15

FLYWHEEL INSPECTION

........................................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

CL-6

CL-7

CL-10

Refer

to

EM-66,

“REMOV

AL”.

CL-13

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-15

CL-16

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