Porsche 930 TURBO - 1989 GENERAL DATA Manuale utente

General Data

TRANSMISSION TYPE 930

The following transmissionsare installed in the 930 Turbo:

930/30 -4-speed with rear axle final drive 9/38 (standard)

930/32 -4-speed with rear axle final drive 9/36 (not for USA)

The following transmissionis installed from 1977Models:

930/33 -4-speed with a final drive ratio of 9/38

From 1978Models with the following transmission:

930/34 -4 gears with final drive ratio of9/38

Generaldata 911 turbo

Five-speed transmission G50/50

88-227

A new five-speed transmission has been installed in the 911 Turbo worldwide from Model 89 onward.

This gearbox corresponds to the G 50/00 Carrera gearbox with regards to construction and repair.

The gearbox has been reinforced, however, and the transmission ratios modified to suit the

high engine performance of the turbo engine.

Refer to the Carrera workshop manual (Page 30-0102) for maintenance information.

Five-speed transmission G50/50

Printed in Germany -VII, 1989

30-02

General Data

MANUAL TRANSMISSION TORQUE SPECIFICATIONS

Location Designation Threads Material Torque

NM (kpm)

Drive shaft Nut M 30xl.5 8.8 210 -230

(21.0 -23.0)

Drive shaft Nut M20xl.5 C 35 V 160-180

(16-18)

Driven shaft Nut M24xl.5 8190-100

(19-20)

Stub axle

Stub axle Stretch bolt

Hex hd screw M IOxl.5

MIOu. 5 8.8

8.8 (2. 6 -3. 0)

(3. 0 -4. 6)

26-30

39-46

Transm. case Vent M 14xl.5 9 S 20 K 20-30

(2 -3)

Gearshift rod Conicalscr. M 8xl.25 8.8 23-26

(2.3-2.6)

Shiftcover Mid-grip nut M 8xl.25 X 12 Cr

No18.8 22-25

(2.2-2.5)

Backuplight

switch

Gear housing M18xl.5 MS 25-35

(2.5-3.5)

Gearshift

forks M6xl.O 8.8 9-11(0.9-1.1)

Hex nut

M 8xl.25 822-25

(2.2-2.5)

Clamp, gears, transm.I

case, front and side

covers

Hex nut

Shift lock,

transm. case Hex hd screw M lOxl.5 8.8 15-18

(1.5-1.8)

24-26

(2.4-2.6)

Hexhd screw M 8xl.25 8.8

Selector

forks

11.9 135-140

(13.5-14)

Ring gear,

differential Hex hd screw M12xl.25

12.9 150-160

(15-16)

Hex hd screw M12xl.25

5t 37-5.8 20-25

(2-2.5)

Plug with

magnet M24x1.5

Con. 1:16

Transm. case

oil drain

5.8 20-25

(2-2.5)

Plug M 30x1.5

Con. 1:16

Gear housing

Oil filler

5.8 20-25

(2-2.5)

Plug M 16xl.5

Reverse gear

Lock

Technical Data 30-03

Printed in Germany -IV. 1981

Location Designation Threads Material Torque

Nm (kpm)

Guide tube Capscrew M6xl.O 8.8 8-10

(0.8-1.0)

Clutch and

startergear Capscrew M8xl.O 8.8 20-'-5

(2.0-2.5)

Starter Hex nut MlOxl.5 846-50

(4.6-5.0)

Mech.controls

Holderto base Hex hd screw M6 8.8 6

(0.6)

Baseto tunnel Sockethead

capscrew M8 8.8 21

(2.1)

ICon. screwin

shift rod end Con. screw M8 8.8 15

(1.5)

COIl. screw in

coupling Con. screw M8 8.8 15

(1.5)

Clamp Hex hd screw M8 8.8 25

(2.5)

30-04 Technical Data Printed in Germany

General

GeneralData Manual Transm. 930/30, 930/32. 930/33 and

930/34

Ratio

1st gear

2nd gear

3rd gear

4th gear

Reverse

16/36 i = 2.25

23/30 i = 1.3043

28/25 i = 0.8929

32/21 i = 0.6563 (32/20 i = 0.625)

16/39 i = 2.4375

Climbing in 0;0

abo

1st

2nd

3rd

4th

Spiralteethbevelgearwheels

Finaldrive

Final drive ratio

9/38 i = 4.222 (optional 9/36

9/38 i = 4.222

= 4)

1976models

1977models

1978 models to 1981 models

Via double joint shaftsto rear wheels

Powertransmission

53 kg

Transmissionweight

(dry) w/0 starter

Approx. 3.7 1SAE90 oil of API Classification

GL5 (or Mil-L 2105 B)

Filling capacity

Note: Deviating values for transmissiontype 930/34 are in brackets.

30 -05

Specifications

Printed in Germany -IV. 1981

100

gear

General Data

TechnicalData

Printed in Germany -III. 1978 30-07

-III, 1978Printed in Germany Removing and Installing Clutch Disc 30 -1

30 Clutch, Control

Removing andInstalling Clutch Disc Printed in Germany

30 -2

Clutch, Control

Notes when

No. Description I

Qty. Remarks

Removing Installing

1Clutch bolts 6Unscrew evenly Tightenevenlyand

diagonally torque:2.0-2.5 mkg

(14 -18. 5 ft Ibs)

la Clutchbolts

DIN 931 from

Trans. No. 776

0013 or 776 1011

9Unscrewevenly Tightenevenlyand

diagonally. torque: 2,0-2, 5 mkg

(14 -18, 5 ft Ibs)

2Washer 6Replace, if needed

3Ring gear 1

Check for wear

4Pressureplate 1

5Throwout bearing 1 Don't wash. Wipe

with dryrag. Coat

guide tube contact

surface with MoS

lubricant. 2

Don't subject to

pressure-danger

of damage!

6Clutch disc Check for wear.

Center with clutch

centering tool 9102

Removing and Installing Clutch Disc 30 -3

Printed in Germany -IV, 1981

Clutch, Control

REMOVING AND INSTALLING

Removing Note

1. Hold flywheel with toothed segmentP201 a

and spacersleeve. Make sure that spacersleeve

fits engine with adequate clearance.

Clutch linings cannot be replaced.

If applicable, the entire disc is to be replaced.

2. Loosenbolts holding clutch pressureplate to

flywheel evenly and diagonally one or two

threads, until the spring pressurestops(pre-

vents distortion on clutch pressureplate).

5. Checkdiscwithlining for lateral runout.

Permissiblelateral runouton225mm .

diameterismax. 0.6 mm.

CHECKING CLUTCH DISC

1. Checkteeth. The clutchdisc mustmove

easilyin axial direction ondrive shaftwith-

outradialplay.

2. Check rivets. Replace clutch disc if in

doubt.

3. Check clutch lining. If clutch lining hasoil

spots, is burnt, torn or worn at spots, install

a newdisc.

4. Checklining thickness.Thicknessof di'lc

with rivetedlining (notension)is10.1 -

0.3 mm. Wearlimit (notension)is 8.5 mm

for symmetricalwear.

Printed in Germany

Removing and Installing Clutch Disc

30 -4

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