User manual PORSCHE 930 TURBO 1989 GENERAL DATA
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Manual abstract: user guide PORSCHE 930 TURBO1989 GENERAL DATA
Detailed instructions for use are in the User's Guide.
[. . . ] General
Data
TRANSMISSION
TYPE
930
The following transmissions are 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 transmission is installed from 1977 Models: 930/33 -4-speed with a final drive ratio of 9/38 From 1978 Models 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 high engine performance of the turbo engine. Refer to the Carrera workshop manual (Page 30-0102) for maintenance information. and repair.
The gearbox has been reinforced, however, and the transmission ratios modified to suit the
30-02
Five-speed transmission
G50/50
1989
Printed in Germany -VII,
General
MANUAL TRANSMISSION TORQUE SPECIFICATIONS
Data
Location
Designation
Nut
Threads
Material
Torque
NM (kpm)
Drive shaft
M 30xl. 5
8. 8
C 35 V
210 -230
(21. 0 -23. 0) Drive shaft Nut
M 20xl. 5
160-180 (16-18)
Driven shaft
Nut
M 24xl. 5
8
190-100 (19-20)
Stub axle Stub axle
Stretch bolt Hex hd screw
M IOxl. 5 M IOu. [. . . ] Gearshift sleeve, selector fork and selector rod for 1st and 2nd speed k. Adjust selectorforks(seepage35-7).
35-6
Dismantling and Assembling Change Gear
Printed in Germany
Manual
Transmission
/ Gears,
Shafts
35
ADJUSTING Note Torque drive pinion and drive shaft nuts to specifications to adjust selector forks.
INSTRUC"TIONS
6. Adjust selectorrods, so that there is play of 0, 5 mm at tightest position betweenselector
rodforks.
4. Remove reversegear II again.
Printed in Germany
-I.
1976
Adjusting Selector Forks
35 -7
Manual
Transmission,
Gears/Shafts
9. Adjust gearshift sleeves so that they are at dead center between the synchronizing rings in idle position.
10. Torque hex head screws of selector forks to specifications.
Note
Correct deviations in adjustments after completion of shifting controls, because they are essential for proper functioning of the synchronization.
35 -8
Adjusting Selector Forks
Printed in Germany
Mech.
gear
-shift
system
-gears,
shafts
TOOLS
Nr.
1
2
Designation
Special Tool
Remarks
Holder
Socket wrench
No. 9105
Printed in Germany
Dismantling and Assembling Drive Shaft
35-9
35
Mech.
gear
-shift
system
-gears,
shafts
35-10
Dismantling and Assembling Drive Shaft
Printed in Germany
Designation
1
Amt
Removing
Notes Installing
Torque to specifications
Remarks
Nut
1
and lock.
2
Rev. gear
1
Pry off with
Collar facesout.
0 I
2 screwdrivers.
3
Cyl. Collar faces
4
1st gear I
1
Remove with extractor
in.
5 6 Spacer
1 1 Replace in pairs only. Faces same direction as
2nd gear
countergear.
Thrust washer
8 3rd gear
1 1 Check synchro. Replace in pairs
only.
9 Needle cage
1
Mark to inst. . ll correctly
Assemblewith samegear.
10 11 12 13 14
Spacer
1 1 1 1 1 Check synchro. Replace in pairsonly.
3rd gear bush Gearshift sleeve
Operatingsleeve
4th gear I
15
SpaCel Needle ca3e
1 1 Mark to install correctly.
Loosen with
16
Assemble , , gear. same
!
17
Nut
1
9104 + 9105
andlock.
Printed in Germany
Dismantling and Assembling Drive Shaft
35-11
!No.
Mech.
gear
-shift
system
-gears,
shafts
No.
18
Designation
Amt.
1
Notes
Removing
Installing Heatto ca.
120 C and
0
Remarks
Cylindrical
roller bearing
Removewith sparesleeve
drive on.
Inner race 1 Remove with spare sleeve
Heatto ca.
120 C and
0
drive on.
20 4-point bearing
1 1 Remove with spare sleeve
21
Inner race
Heatto ca.
120 C and
0
drive on.
22
Thrust washer
1
Remove with spare sleeve
Ground side faces needle bearing
23
4th gear bush
1
Remove with spare sleeve
Heatto ca.
120 C and
0
drive on
24
Drive shaft
1
Check runout
19
35-12
Dismantling and Assembling Drive Shaft
Printed in Germany
DISASSEMBLING
AND
ASSEMBLING
INSTRUCTIONS
Disassembling
Note For better understanding the blow-up drawing showsthe entire drive shaft without a clamping
2. 4-point bearing and cylindrical roller bearing with a spare operating sleeve.
plate.
The parts up to and including number 16 are dismantled and assembled without removing the drive shaft (refer to "Removing and Installing Change Gear"). 9104 in a vise, insert drive shaft and loosen nut with special tool no. Torque nut to specificationsand lock.
Note Special Tool 9105 cannot be used to unscrewand tighten the collar nut due to the longer drive shaft in transmission type 930/34 for Turbo 3. 3 ltr. . For this purpose cut through the socket wrench at approximately center and weld in a suitable piece of pipe (36 mm dia. A torque wrench and an open-jawed or ring wrench could also be used instead of the special tool.
Printed in Germany -IV.
1981
Disassembling and Assembling Drive Shaft
35-13
Manual
Transmission.
Gears/Shafts
TOOLS
No
Description
Special Tool
Remarks
1
Guide sleeve
No. 9108
Printed in Germany -I.
1976
Disassembling and Assembling Drive Pinion
35-15
35
Manual
Transmission.
Gears/Shafts
35-16
Disassembling and Assembling Drive Pinion
Printed in Germany
Mech
gear
-shift
system
-gears,
shafts
35
No. roller bearing
Notes Installing 1 Remove with extractor Heat to about 1200 C and drive on Plane ground side faces needle bearing Check synchro, replace
Remarks
2
Thrust washer
1
3
1st speed gear II
1
1977 Models -with assyrnrnetrically profiled teeth on clutch body
in pairs only
4 5 6
Needle cage Spacer
1
1 1
Heat about 120 C and drive on 1977 Models-with assymmetricall y profiled teeth on
0
Sleeve. Note installed direction
(page 35-18)
8 9
Guide sleeve 2nd speed gear II
1
1
Check synchro, replace in pairs only
10 11 12
Needle cage Sleeve, 2nd speed 3rd speed gear II
2
1 1 Replace in pairs only. Lettered side faces in same direction ascountergear
13 14
Spacer
1 1
Replace in pairs only. [. . . ] Turn differential in both directions several times to settle the tapered roller bearings.
Note
Collar nut of drive pinion must be tightened to specified torque prior to measuring backlash.
7. Mount dial gauge holder VW 387 with dial gauge and plain extension that dial gauge axis and lever are at right angles.
2. Install differential with tapered roller bearings and spacers(51 + 52) in case.
3. Mount side transmission cover and tighten all nuts to specified torque.
Note
When tightening nuts check frequently that there is still a certain amount of backlash. [. . . ]
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