Porsche 911 TURBO - 1989 Manuel d'instructions

911 turbo FrontWheel,Suspension

Technical data

Wheel suspension independent wheel suspension with

control arms and spring struts

Suspension one round torsion bar per wheel, longitudinal

Torsion bar " 18.8mm

Height adjustment -

at DIN curb weight Page 44 -1

Shock absorbers double-action hydraulic

shock absorber struts

Manufacturer Bilstein -different configuration from Mod. 89

onwards

Anti-roll bar 0 18 mm -from Model 77 onward 0 20 mm

from Model 85 onward 0 22 mm

40 -01

Technical data

Printed in Germany -VII, 1989

40 General

TORQUE SPECIFICATIONS FOR FRONT AXLE

Location Designation Threads Class Torque

Nm ft Ib

Support bearing to

strut Nut M 14 x 1.5 880 58

Support bearingto

body Capscrew M 10 8.8 47 34

Carrier to body Bolt M 12 x 1.5 8.8 90 65

Carrier strut guard

to body Bolt M 10 8.8 47 34

Stabilizer and suspension Bolt M8 8.8 25 18

Guard Bolt M8 8.8 25 18

Stabilizer to carrier strut Bolt M8 8.8 25 18

Carrier strut,guard and

stabilizer to body Capscrew M 10 8.8 47 34

Carrier strut and guard toI

carrier Nut M 10 828 20

Control arm to body Bolt M 10 8.8 47 34

Ball joint to control arm M 45 x 8.8

Slotted nut 5250 181

Nut on stub axle Capscrew M7 10.9 15 11

M8 8

Ball joint to strut Uni stop nut 22 16

Brake disc to wheel hub Nut M8 8.8 23 17

Cover for brake disc Bolt M8 8.8 10 7

Caliper to stub axle Bolt

Capscrew M 12 x 1.5 8.8 70 51

Brake line Coupling M 10 x 1 12 9

Nut M 14 x 1.5 130 94Wheel to wheel hub

Printed in Germany

40-02 Technical Data

Front Wheel Suspension

REMOVING AND INSTALLING FRONT AXLE

Removing

1. Disconnect brake hose at brake line aft er

first depressingbrake pedal somewhatwith

pedal strut to prevent brake fluid from

escaping.

5. Placejack underneathcarrier.

6. Detach steering shaft at steering shaft

holder and lift joint off of steering shaft.

Dismantle steering shaft holders.

2. Unscrewstabilizeratsuspension.

7. Unscrewshockabsorberhexnuts.

3. Removeguard.

4. Unscrewmounting screwsat carrier and

control arms.

Removing and Installing FrontAxle 40-1

Printed in Germany

Front Wheel Suspension

8. Lowercompletefrontaxle assembly. Note

Do not turn the steering wheel quickly from

lock to lock whenthe car is raised, to

prevent tIle cup from popping off at the

steeritlg gear or tie rod (air compensation).

Installing

1. Raisecompletefrontaxle assembly.

2. Securetopof shockabsorberstobody.

3. Securebottom of front axle to body

(carrier and control arms).

4. Connectbrakehoses.

5. Bleedbrakes.

6. Torqueall mountingscra-lsto specifications.

40-2 Removing and Installing FrontAxle Printed in Germany

Front Wheel Suspension

T GalS

No.

Description Special Tool Remarks

Torquewrench1Commexcial item, up to 36 mkg

(261 ftlbs)

2Commercialitem

Tie rod remover

Wrench P 280 b

Printed in Germany -II. 1976 Disassembling andAssembling FrontAxle 40-3

Front Wheel Suspension

Printed in Germany

40-4 Disassembling andAssembling FrontAxle

Front Wheel Suspension

Notes

No Designation Amt. Removing Installing

1CapscrewM 10 2Torque to

specifications

2Washer 2Replace, if

necessary

3Hexnut, self-

locking

2Torque to

specifications

4Washer 4

5Guard 1

6Strut 2

Hex hd screw 2Torque to

specifications

8Washer 2Replace, if

necessary

9Caliper 1

10 Spacer 1

111

Cap 1

12 Capscrew 1Torque to

specifications

13 Clampingnut 1

Tab disc14 1Must just barely turn

with screwdriver

15 Wheel hub 1Clean, check for wear'lfill hub with ca. 60 g

multi-purpose lubricant

16 Taperroller bearing 1Clean, check and

lubricate. If necessary.

replace.

17 Hex nut M 8 5Torque to

specifications.

Printed in Germany Dismantling and Assembling FrontAxle 40-5

Front Wheel Suspension

Notes

No. Designation Amt

IRemarks

Removing Installing

18 Washer 5Replace, if

necessary

19 Hex head screw 5

120 Brakedisc 1 Check for wear

and damage

121

Radial seal 1 Replace, if

necessary. Press

in until seal is

flush with hub.

Clean. checkfor

wearandlubricate.

Replace.if

necessary.

22 Taper roller

bearing

1Heat hub and

pressoff race Heat hub and

install race

123 Outerrace

1Heat hub and

pressoff race Heat hub and

install race

124 Outer race

Hex hd screw 3Torque to

specifications

125

Replace.if

necessary

26 Lockwasher 3

27 Guard 1

28 2Lubricate with MoS2°

Readjustheight

Controlscrew

129 I Adjusting lever

Replace,if

necessary

OWA gasket 2

Torque to specifications,

Replace, if necessary

131

Uni stopnut MS 1

Washer 1

Dismantling and Assembling FrontAxle

40-6 Printed in Germany

Notes

No. Description Amt Remarks

Removing Installing

33 Threaded pin 1Drive out Install with lubricant

Position it correctly.

Replace!

34 Hex nut 1Torque to

specifications

35 Lockplate 1 Replace, tab faces

up.

36 Supportdisc 1

37 Strut 1Check, replace if

necessary

38 Guard 1

39 Spacer Heat and install to

stop

40 Seal 1

41 Hex hd screw

M 10 3Torqueto

specifications

Lockwasher 2Replace if

necessary

Washer43 1

Guard44 1

45 Spacer 1

Check

46 Controlarm 1

Torsion bar 1

47 Check for damage,

replacing if necessary

Note mark for in-

stallation. Lubricate

48 1Replace

Cotter pin

Replace. if

necessary

Lockplate 1

40-7

Disassembling and Assembling Front Axle

Printed in Germany

40 Front Wheel Suspension

Notes

No Description Amt, Remarks

Installing

Removing

50 Nut 1Loosenwith

P 280 b Torque to

specifications.

Lubricate threads

51 Ball joint 1Check, replacing

if necessary

52 Hex hd screw

M 10 2Torque to

specifications

53 Washer 2Replace,if

necessary

54 Hedhd screw

M1O 2Torqueto

specifications

55 Washer 2Replace, if

necessary

56 Carrier 1Check for

damage

57 Adaptor 2

58 Capscrew 3Torqueto

specifications

59 Lockwasher 3Replace.if

necessary

60 Single-hole

pressureplate Mark for

reuse

Double-hole

pressureplate Mark for

reuse

61 1

62 Support with

rubberbearing 1Check, replacing

if necessary

63 1

Spacer

II, 1976 -Printed in Germany

40-8 Disassembling andAssembling FrontAxle

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