2001 SAAB 9-5 engine

197 Car care and technical information
Changing the coolant (Usually carried out as part of the Saab orig-
inal service by an authorized Saab dealer)
1 If the engine is hot, open the expan-
sion-tank filler cap carefully to release
the pressure, but do not remove it com-
pletely. Place a suitable receptacle
under the radiator and undo the drain-
cock.
2 Remove the filler cap on the expansion
tank.
3 The system takes about two minutes to
drain. Close the draincock.
4 Mix the antifreeze and water to the
required strength in a suitable container.
Use only Saab-approved coolant.
5 Add the coolant slowly to the expansion
tank. This will take about two minutes,
as the air needs time to escape.
6 Screw on the filler cap and fully tighten
the drain cook. Run the engine to normal
temperature. Top up the coolant, as nec-
essary, until the level is just below the
MAX mark on the tank.
7 Check the coolant again after a few days
and top up as necessary.
IB498
Radiator draincock
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199 Car care and technical information
Power steering fluidCheck the level of the power steering fluid in
the reservoir regularly, in accordance with
the service program.
The wheels should point forward during the
check.
Clean around the cap before it is
unscrewed. Clean the dipstick. Screw in the
cap completely again before checking the
level.
The oil should lie between the MAX and MIN
marks when the oil temperature is about
70°F (+20°C). If the oil is colder the level can
be lower, and in higher temperatures the
level can be higher, both of which are
acceptable.
Top up with ”Power Steering Fluid
CHF 11S” (part number 8996860).
BatteryThe battery is provided with a cover to pro-
tect it from radiated heat. If the battery is
exposed to high temperatures, its life will be
shortened. To remove the cover, pry out the
edge a little, located at the rear of the cover.
The cover fits the standard battery installed
in the car. If a new battery is to be fitted,
make sure that its dimensions are the same
as the standard one.
The fluid level and the charge level should
be checked regularly.
The best way to check the charge is to use
a hydrometer.
WARNING
Do not fill the power steering fluid to
above the MAX mark. Too much fluid can
result in leakage.
Power steering fluid on hot engine com-
ponents constitutes a fire risk.
WARNING
 The battery emits hydrogen which,
when mixed with the oxygen in the air,
forms a highly explosive gas. Avoid
causing sparks and keep open flames
well away from the vicinity of the bat-
tery.
 The battery contains corrosive sulfuric
acid. Always wear a face mask or
goggles when working on the battery.
 If battery acid gets into the eyes or
splashes the skin or clothing, wash
affected area liberally with water.
If acid gets into the eyes or a large
quantity makes contact with the skin,
seek medical help.
IB501
Power steering fluid reservoir
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201 Car care and technical information
Charging/replacing the batteryConnect the positive lead to the positive (+)
battery terminal (red), and the negative lead
to a good ground point, e.g. the lifting lug at
the front of the engine.
To remove the battery, always disconnect
the negative (black) lead first and reconnect
it last when fitting the new battery.
The battery size must comply with DIN
53735 MFI 230/2.16. NOTETo avert the danger of short-circuiting
between the positive (+) terminal on the
battery and the inlet manifold on the
engine, always disconnect the negative
(-) battery lead first and reconnect it last.NOTE Never reverse the polarity of the bat-
tery by connecting the leads to the
wrong terminals. The red, positive
lead connects to the positive (+) termi-
nal, and the black, negative lead to the
negative (-) terminal.
 Serious damage can be done to the
car’s electrical system if a battery or
alternator lead is disconnected while
the engine is running.
 The nut on the battery clamp should
be tightened to a torque of 10 Nm.
IB564
Correct position for battery clamp
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202 Car care and technical informationDrive belts The alternator is situated on the right-hand
side of the engine, adjacent to the bulkhead.
It is driven via a Poly-V-belt from the crank-
shaft pulley.
The Poly-V-belt also drives the water pump,
the A/C compressor and the steering servo
pump.
The belt tension is critical and is adjusted
automatically by the belt tensioner.
See also page 49, ”Warning, charging”.
WARNING
 Keep hands and clothing well clear of
drive belts when engine is running.
 Always stop engine before inspecting
drive belts.
 The fan can start even when the
engine is switched off.NOTESerious damage can be done to the car’s
electrical system if an alternator lead is
disconnected while the engine is running.
IB542
Routing of the Poly-V-belt:
4-cylinder engine
IB543
Routing of the Poly-V-belt:
3.0t V6
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205 Car care and technical information
Changing bulbs Check that the new bulb is working when finished.
Some bulbs are of the ”Long-Life” type. Make sure the same type is
fitted when changing one of these.
Headlight aiming, see page 238.
Headlight bulb for high beam1 Unscrew the cover from the back of the lamp unit.
2 Unplug the connector.
3 To remove the spring clip, push it in and then move it to the right.
4 Remove the bulb.
5 Without touching the glass with your fingers, insert the new bulb.
6 Line up the bulb with the guide in the reflector and secure it with
the spring clip.
7 Plug in the connector.
8 Screw on the cover.
WARNING
Before changing a bulb in the engine bay, switch off the engine to
avoid danger of fingers and hands being injured by moving parts.
The radiator fan can start up even when the engine is switched off.
NOTE Do not fit bulbs with a higher rating than 55 W, since the head-
light reflector and the wiring of the car are not designed for a
higher wattage.
 Switch off the ignition before changing a bulb, to avoid possible
short-circuiting.
IB510
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216 Car care and technical informationMaxi fusesThe Maxi fuses are housed in the fuse box
under the hood. These fuses can be
checked in the same way as the other fuses.
The Maxi fuses are designed to protect the
car’s electrical system from being dam-
aged. Each Maxi fuse protects a number of
electrical circuits and functions and there-
fore has a higher rating (amperage) than the
standard fuses. No spare Maxi fuses are
supplied with the car.
DICE / TWICEDICE = Dashboard Integrated Central Elec-
tronics
TWICE = Theft-Warning Central Electronics
DICE and TWICE are electronic control
modules that monitor and control a variety
of functions, including:
DICE controls (among other things):
 Front lights and interior lighting.
 Instrument illumination.
 Intermittent wiper operation.
 Electric heating of rear window and door
mirrors.
 Cooling fans.
TWICE controls (among other things):
 Central locking.
 Car alarm (Anti-theft system).
 Engine immobilizer.
 Autochecking of lights.
 Electric heating of rear seat.
 Safety belt reminder.
 Electrically adjustable passenger seat.The DICE and TWICE control modules are
linked to a data bus, which is basically an
information carrier that allows information to
be exchanged between all the control mod-
ules and components connected to the bus.
If a fault occurs in any of these components,
diagnostic faults codes are set in the rele-
vant control module, which facilitates fault
diagnosis at the Saab dealer.
The scan tool connector for fault diagnosis
is located under the instrument panel on the
drivers side.
NOTEIf a Maxi fuse blows, it means that there
is a major fault in the electrical system.
Have the car checked without delay by
an authorized Saab dealer.
IB529
Maxi fuses under the hood
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217 Car care and technical information
Fuse panel in instrument panel
# Amp Function
A 30 Trailer lights
B 10 Automatic transmission
C 7,5 Electric door mirrors; DICE
1 15 Brake lights; shift-lock override
2 15 Reversing lights
3 10 Parking lights, left
4 10 Parking lights, right
5 7,5 DICE / TWICE
6 30 Electric windows, right
6B 5 Stop lights, trailer
7 10 Fuel injection
8 15 Trunk lighting; trunk lock; door lighting; SID; car
phone
9 15 Audio System; diagnostic instrument; CD changer
10 15 Memory function, door mirrors; heating, rear seat
11 30 Central locking; electrically adjusted passenger seat
12 7,5 Automatic transmission
13 20 Audio System, amplifier
14 30 Ignition system, engine
15 15 Preheated oxygen sensor (catalytic converter)
16 20 DICE (direction indicators)
16B – –
17 20 Engine-management system
18 7,5 Door-mirror heating
19 20 Fuel pump
20 15 ACC; interior lighting; rear fog light
21 10 Audio System; rear-view mirror with auto dimming
function; telematics
22 40 Interior fan; air pump (3.0t V6 only)
23 15 Sunroof
24 40 Rear-window heating
25 30 Electrically adjustable driver’s seat; fuel-filler flap
26 7,5 ABS brakes; ACC
27 10 Engine-management system
28 7,5 Airbag (SRS)
29 7,5 Automatic transmission
IB530
BC123456 A
14
121110987
13
6B
1516
2324
222120191817
16B
5425262728293031
3635343332
39383755525356
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218 Car care and technical informationRelay panel under instrument panel Relay panel under instrument panel (cont.)30 7,5 Starter motor
31 7,5 Cruise control; water valve; fog lights, front
32 15 Ventilated front seats
33 7,5 Direction-indicator switch
34 30 Cigarette lighter
35 15 Daytime running light
36 30 Electric windows, left
37 30 Windshield wipers; rain sensor
38 30 Electric heating, front seats
39 20 Limp-home solenoid (automatic transmission)
52-5
6Spare fuses
# Function
A
B Electric heating of rear seat
C
D
E Main relay (engine management system)
F Fuel filler flap
G Fuel pump
H Ignition switch
I Rear-window / door mirrors heating
J Reversing lights
KStarter relay
L Limp-home function
IB531
A
BC
D
GEF
HI
KL J
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