saab documents

Brochure

99 Specifications

pages 61–70 of 77

Page 61

Brakes
Make

Dining. (As from chassis Nos. 99762022110,
99766008979 and 99767003806, the front brakes
and master cylinder are of Girling make and
these are combined with rear brakes of ATE make.)

Footbrake
Type

Hydraulic disc, vacuum servo assisted.
Double diagonal brake circuits.

Handbrake
Type

iviechanical, acting on the front
brake disc. Self adjusting.

Master cylinder
Type
Make
Diameter

Tandem cylinder
Ginling
7/8 in (22.23 mm)

Front wheel cylinders
Type
Make
Diameter

Floating yoke
Dining
54 mm

Rear wheel cylinders
Type
Make
Diameter
Front brake discs
Outer diameter, braking surface
Inner diameter, braking surface
Disc thickness, new disc
Disc thickness, mm. after grinding
Max. permissible grinding depth/side
Maximum permissible lateral throw of
mounted disc
Parallelism (max. variation in
disc thickness

Fixed yoke
ATE
30 mm

Girling
27 mm

276 mm
177 mm
12.7 mm
11.7 mm
0.5 mm
0.10 mm
0.115 mm

Rear brake discs
Outer diameter, braking surface
Inner diameter, braking surface
Disc thickness, new
Disc thickness, mm. after grinding
Max. permissible grinding depth/side

267.5 mm
191.5 mm
10.5 mm
9.5 mm
0.5 mm

020—45

Page 62

Front brake pads
Brake lining thickness, new pad
NAir

hpI, 1innn thnL’nQ

Friction surface/pad

10.8 mm
1 mm

37cm2

NOTE. The inner and outer brake pads
have different braking capacities and
should not be interchanged

Rear brake pads
Brake lining thickness, new pad
Mm. brake lining thickness
Friction surface/pad

8.5 mm
1 mm
2
20 cm (ATE)

19 cm

2

(Girling)

Brake servo
Type
Make
Diameter
Power increase

Braking power increased using
vacuum from inlet manifold.
Girling
9 in
3.5:1 with 25 kgf pedal force.

partial

Hydraulic fluid
Specification
Brake system capacity

To DOT 4
0.55 1 approx.

.

020—46

Page 63

I

Front assembly, steering mechanism
Front wheel alignment
“King pin” angle
Caster
Cam her
Toe-in, measured at rims
Turning angles:
Outer wheel
20°
Inner wheel
20 1/2° + 10
Slip radius
165 SR 15, 4 1/2”
155 SR 15, 4 1/2”
165 SR 15, 5”
175/70 FIR 5”, 5”
-

-

-

11 1/2° + 10
Manual steering gear: 10 -F 1/2°
Power-assisted steering gear: 2
1/2° + 1/2°
0.04”+ 0.04” (1 + 1 mm)
2 + 1 mm

+

1/2

o

—

0.30”-0.35” (7.6-9 mm)
0.37-0.43” (9.5-11 mm)
0.50”-0.55” (12.6-14 mm)
0.61” (15.5 mm)

Rear wheel alignment
Up to and including
1978 models
Camber
Toe-in, sum of both wheels,
measured between rims
Max. difference between left hand
and right hand wheelbase (front
wheels straight ahead)

0

0
+

1

0

As from 1979 models
-1/2° -F 1/4° (negative camber)

0 + 2 mm

2

-

6 mm (1

-

3 mm per side)

0.6 in (15 mm) max.

Steering mechanism

Steering wheel turns, lock to lock
Steering gear adjustment (manual):
Adjustment of plunger
Steering gear torque (=pirìion torque)
Adjustment of ball joint

Lubricant, type
I_ubricant, quantity
L_ubricant, level

4.1

Power
steering

Saab 900 EMS, as from
ch.no. 99762018780
and 99766007925

3.6

3.4

Clearance between cover and plunger
0.002-0.006 in (0.05-0.15 mm)
1.1-2.0 Nm (0.83-1.5 lb ft, 0.11-0.20 kgfm)
The rod should be movable to its full limit
in all directions with a load of max. 30 N
(6.6 lb, 3 kg) applied to the outer joint
serv
7
ce CL 4 SAE 80-90
API i
0.23 dm’ (8.1 fl.Ox., 2.3 dl)
1. .Jack up the car at the left, front jacking
point until it is possible to remove the
wheel without it catching the ground.
2. Slacken the rubber bellows clip at the
left tie-rod and turn the steering wheel
to full right-hand lock.
3. Top up with oil between the bellows and
the tie-rod until the level has reached
the centre of the tie-rod.
4. Tighten the clip which will be facilitated
by turning the steering wheel back a
short way.

020—47

Page 64

Adjustment of power steering gear:
Adjustment of plunger

Ball joints
Lubricant, type
Lubricant, quantity
Lubricant, level

Servo oil, type

Servo oil, quantity
Servo oil, level

Screw plunger tight, then back off 1/12 turn.
Check that the rack does not stick in any
position.
Must not be adjusted. Replace if worn.
EP SA 75 or SAE 80/90
0.2 dm (6.5 fl.ox., 2 dl)
1. Jack up the car at the left, front jacking
point until it is possible to remove the
wheel without it catching the ground.
2. Slacken the rubber bellows clip at the
left tie-rod and turn the steering wheel
to full right-hand lock.
3. Top up with oil between the bellows and
the tie-rod until the level has reached
the centre of the tie-rod,
4. Tighten the clip which can be facilitated
by turning the steering wheel back a
short way.
Automatic transmission oil. (See specifica
tions, automatic transmission.) Texaco 4634
power steering fluid. Part No (45) 30 09 800
1.2 dm (1 litre, 1.1 Imp. quarts)
0.4 in (1 cm) above the lower part of the
filter in the oil container

Tie rod ends:
Max. distance from end of thread
to locknut
Manual steering gear
Servo steering gear
Max. permissible difference between
above measurements on both sides

0.08 in (2 mm)

Tightening torque:
Tie rod end nut
Steering wheel nut

49-69 Nm (36-50 lb ft, 5-7 kgfm)
27 Nm (2.7 kgfm)

0.98 in (25 mm)
1.02 in (26 mm)

.

020—48

Page 65

Suspension system, wheels

I

Suspension
Front
Rear

Individual with transverse control arms
Rigid axle with 4 longitudinal links and
one cross bar

Spring elements, front and rear

Coil springs

Front coil springs

Total number of
turns
Number of tree
turns
Wire diameter
Free length
Identification
colour

Up to and including
1978 models

1979 1981 models
as from chassis No.
BB 6007406

1981 models onwards,
as from chassis No.
BB6007407

B 1/2

8 1/4

8 1/4

6 1/2

13.9 mm
383 mm

6 3/4
14.2
370 mm

6 3/4
14.2
373 mm

Green

White

White/black

-

Rear coil springs
99, 99L, 99 GL and 99 OLE
models, up to and including
chassis No. 99762028994,
and [MS models up to and in
cluding chassis Nos. 99762018779,
99766007924 and 99767003175

99, 99 L and 99 GL
mopels, as from chassis No.
99762028995

Total number of turns
Number of free turns
Wire diameter
Free length
I dent if i cat 10 nco lou r

10 + 1/8
8
14 mm
323 mm
Green

10 ÷ 1/8
8
14 mm
329 mm
Yellow
99 Combi Coupé up to and
including 1978 models

Total number of turns
Number of free turns
Wire diameter
Free length
Identification_colour

99 EMS, as from chassis Nos.
99762018780, 99766007925 and
99767003176
9 + 1/8
7
14.2 mm
315 mm
White

9 ± 1/8
7
14.2 mm
324 mm
Blue

Total number of turns
Number of free turns
Wire diameter
Free length
[jdentification colour

99 Sedan as from 1979 models
9
7
14.2 mm
315 mm
White

99 Combi Coupé 1979 mod.
9,5
8
14.5 mm
323 mm
tight blue

020—49

Page 66

Shock absorbers, front and rear
Typ

Telescopic shock absorbers,
hydraulic or pneumatic

Front shock absorbers
Distance between attachment
lug centres
Maximum stroke when fitted

Fully compressed: 258 mm
Fully extended: 379 mm
91 mm

Rear shock absorbers
Distance between stop on upper
mounting and centre of lower at
tchment lug
Maximum stroke when fitted

Fully compressed: 282 mm
Fully extended: 470 mm
158 mm

.
.

Vertical wheel movement
From normal-weight cimpression to
full compression:
Front
Rear
Max. spring expansion:
Front
Rear

4 in (100 mm)
4.4 in (110 mm)
6,3 in (160 mm)
7.1 in (180 mm)

Wheels
Max. permissible radial throw of
steel rim
Max. permissible lateral throw of
steel rim
Max. permissible radial throw of
light alloy rim
Max. permissible lateral throw of
light alloy rim

0.04 in (1.0 mm)
0.04 in (1.0 mm)

0.02 in (0.5 mm)
0.02 in (0.5 mm)

Wheel nuts:
Width across flats
Thread
Tightening torque

3/4 in (19.05 mm)
1/2 in 20 UNE 28
88 108 Nm (65 80 lbf ft:

.

-

-

-

-

11 kgfrru)

Hubs
Maximum play of wheel bearings
Tightening torque:
Bolts hub-brake disc, front
Hub nuts, front
Hub nuts, rear

0.08 in (2 mm) measured at edge of rim
30 50 Nm (22-36 lbf ft; 3-5 kgfrn)
340-360 Nm (246-260 lbf ft; 34-36 kqfm)
Tighten first to a torque of 49 Nm (36 lhf ft; 5 kqfm).
Slacken the nut and then retighten to a
torclue of 2 4 Nm (1.4 2.9 lbf ft; 0.2 0.4 kjfni)
-

-

Hub nut, rear, as from 1982 models
Chassis No.: BC 6009296

020—50

-

300 + 10 Nm (30 + ] kgfrn)

-

Page 67

01

0
Ni
0

4.5Jx15 EHA 4.5Jx15 FHA 5]x15 FHA 53x15 FHA
Light alloy Light alloy
Steel
Steel

5x15 FHA 5Jx15 FHA
Light alloy Light alloy

5]x15 EHA 5Jx15 FHA
Light alloy Light alloy

5]x15 FHA5Jx15 FHA
Light alloy Light alloy

5Jx15 EHA
Steel

5Jx15 FHA
Steel

5Jx15 FHA
Steel

53x15 EHA
Steel

5Jx15 FHA
Steel

5Jx15 FHA
Steel

4.5D15 FHA
Steel

4.5Jx15 THA
Steel

4.53x15 FHA
Steel

1976

1977

1978

OLE

4.5x15 EHA
Steel

EMS

1975

OLs

CL

L

t’qiod.
year

Rims

C

-

5Jx15 FHA
Light alloy
(Test
cars)

-

-

Sedan

Turbo

CL: 51x15 EHA
Steel
EMS. OLE. Turbo:
53x15 FHA
Steel

L: 4.53x15 EHA
Steel

5.5Jx15 H2

L: 4.5Jx15 FHA
Steel
CL: 5Jx15 FHA
Steel
EMS. OLE. Turbo:
5Jx15 FHA
Light alloy

L: 4.5x15 FHA
Steel
GL: 5Jx15 FHA
Steel
EMS. OLE: 5Jx15 EHA
Light alloy

4.5Jx15 EHA
Steel
EMS. OLE: 5Jxl5 PHA
Light alloy

Spare wheel

Light alloy

-

-

-

Combi Coupe

Page 68

0

0

4.5Jx15 FHA
Steel

4.5x15 EHA
Steel

1980

1981

1983

1982

-

-

4.5Jx15 FHA
Steel

1979

1982

L

Mod.
year

5Jx15 EHA
Steel

5Jx15 FHA
Steel

OLs

.

4-speed cars:
5Jx15 FHA
Steel
5-speed cars:
5.51x15 CH
Steel

4-speed cars:
5J\15 FHA
Steel
5-speed cars:
5.5Jx15 CH
Steel

-

-

4.5Jx15 FHA 5Jx15 EHA
Steel
Steel (CLi)

-

5Jx15 FHA
Steel

CL

-

-

-

-

-

EMS

-

-

-

-

-

GLE

-

-

-

5.5]x15 H2
Light alloy

5.5Jx15 H2
Light alloy

Sedan

—

-

-

-

-

-

.

Combi Coupé

Turbo

4.5]x15 HI
Steel

4.5ZJx15 HI
Steel

4.5Jxl5 HI
Steel

5Jx15 FHA
Steel

5Jx15 FHA
Steel

Spare wheel

Page 69

0

(‘3

0

L

155 SR 15

155 SR 15

155 SR 15

155 SR 15

155 SR 15

Mod.
year

1975

1976

1977

1978

1979

Tyres

165 SR 15

165 SR 15

165 SR 15

165 SR 15

165 SR 15

CL

165 SR 15

165 SR 15

165 SR i5

165 SR 15

165 SR 15

OLs

-

165 SR 15

-

165 SR 15

165 SR 15

CLi

-

175/70 HR 15

175/70 HR 15

175/70 HR 15

175/70 HR 15

EMS

-

165 SR 15

165 SR 15

165 SR 15

165 SR 15

OLE

175/70 HR 15

-

175/70 HR 15
(Test cars)

-

-

Sedan

Turbo

-

175/70 HR 15

-

-

-

Combi Coupé

L: 155 SR 15
CL: 165 SR 15
CL5: 165 SR 15
2-door Turbo cars:
175/70 HR 15

L: 155 SR 15
CL, CLs, CLi, GLE:
165 SR 15
EMS, Turbo: 175/70 HR 15

L: 155 SR 15
CL. CLs: 165 SR 15
EMS, Turbo (Test
car): 175/70 HR 15

L: 155 SR 15
CL, CLs, GLi, OLE:
165 SR 15
EMS: 175/70 HR 15

L: 155 SR 15
GL, CLs, CLi, GLE:
165 SR 15
EMS: 175/70 HR 15

Spare wheel

Page 70

U,

0

155 SR 15

155 SR 15

-

1980

1981

1982

Scandinavian
155 SR 15

185/65 SR 15

5-speed cars

165 SR 15

-

CL

4-speed cars

1983

L

Mod.
year

-

165 SR 15

-

GL1

. .

185/65 SR 15

European spec.
165 SR 15

-

-

165 SR 15

CLs

-

-

-

EMS

-

-

-

GLE

0

-

-

0

175/70 HR 1

Sedan

Turbo

-

-

-

Combi Coupé

(GB, AU:
T95/110 R 15)

T11s/7o D15

T115/70 D15

L:155 SR 15
CL: 165 SR 15
2-door Turbo cars:
175/70 HR 15

Spare wheel