2008 AUDI S4 engine oil

spare wheel rear view mirror clock reset transmission fluid key high beam

Page 262 of 342

AUDI S4 2008 Owners Manual Checking and topping up fluids
260
Caution•
The oil level must never be above area ⇒page 258, fig. 254,
as this may result in damage to the catalytic converter or to the
engine. On vehicles

Checking and topping up fluids
260
Caution•
The oil level must never be above area ⇒page 258, fig. 254,
as this may result in damage to the catalytic converter or to the
engine. On vehicles without an oil dipstick, you can check the oil
level via the sound system or MMI*. Contact a qualified workshop to
extract the engine oil if necessary.
•
No additives should be used with engine oil. Any damage caused
by the use of such additives would not be covered by the factory
warranty.For the sake of the environment
•
Never pour oil down drains or into the ground.
•
Always observe statutory requirements when disposing of
empty oil canisters.
Cooling systemCoolant
The purpose of the coolant is to carry heat away from the
engine. The correct amount of anti-freeze is important to
prevent the cooling system from freezing in winter.The cooling system is filled for life at the factory, so the coolant does
not need to be changed. The coolant consists of a mixture of water
and anti-freeze additive G12++. This is a glycol-based anti-freeze
with anti-corrosion additives.
Anti-freeze additive
The amount of anti-freeze additive required depends on the temper-
atures to be expected in the winter season. If the anti-freeze concen-
tration is too low the coolant can freeze, resulting in failure of the
cooling system and heater. The cooling system is filled at the
factory with the correct amount of
anti-freeze for the country concerned.
In most cases the mixture consists of 60% water and 40% additive.
This mixture gives the required anti-freeze protection at tempera-
tures down to -25 °C and protects the alloy parts of the cooling
system against corrosion. It also prevents scaling and raises the
boiling point of the coolant.
Countries with warm climate
The coolant concentration must not be reduced by adding plain
water, even in the summer or in warm climates. The concentration
of the anti-freeze additive must always be at least 40%.
Countries with cold climate
If greater anti-freeze protection is required in very cold climates, the
proportion of the anti-freeze additive G12++ can be increased. A
concentration of 60% offers protection down to about - 40 °C. The
concentration of the anti -freeze additive must not be more than
60% , otherwise this would reduce the anti-freeze protection. In addi-
tion, the cooling effect wi ll be adversely affected.
Vehicles for export to countries wi th a cold climate (such as Sweden,
Norway and Finland) are supplied wi th antifreeze protection down
to about -35 °C. The concentration of the antifreeze additive for
these countries should always be at least 50%.
Caution
•
It is advisable to have the cooling system checked before the
winter season to make sure that the antifreeze concentration is
adequate for the conditions to be expected. This applies particularly
if you intend to take the car into a colder climate zone. If necessary,
have the anti-freeze concentration increased to 50 - 60% as required.
•
Use only anti-freeze additive G12++, an additive meeting the
specification “TL 774 G”. Other additives may give considerably
inferior corrosion protection. The resulting corrosion in the cooling
system can lead to a loss of coolant, causing serious damage to the
engine.
Aa
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AUDI S4 2008 Owners Manual Checking and topping up fluids261
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
•
The coolant additive G12++ can be mixed only with additives
G12+ and G12.
Checking cool

Checking and topping up fluids261
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
•
The coolant additive G12++ can be mixed only with additives
G12+ and G12.
Checking coolant level
The coolant level can be checked at a glance.– Switch off the ignition.
– Read off coolant level on radiator expansion tank ⇒fig. 257. When the engine is cold it should be between
the “MIN” and “MAX” marks. When the engine is hot it
may be slightly above the “MAX” mark.The coolant level should be checke d with the engine switched off.
The coolant level is monitored by a warning lamp in the instrument
cluster ⇒page 33 . However, we recommend that it should be
checked occasionally.
Coolant losses
Any loss of coolant normally indicates a leak in the cooling system.
In this case the cooling system should be inspected by a qualified
workshop without delay. It is not sufficient merely to top up the
coolant. If there are
no leaks in the system, a loss of coolant can only occur
if the coolant boils and is forced out of the system as a result of
overheating.
Caution
Radiator sealants must not be added to the coolant. Such additives
could seriously impair the function of the cooling system.Topping up the coolant
Be careful when topping up coolant.– Switch off the engine.
– Wait for the engine to cool down.
– Cover the cap on the expansion tank ⇒fig. 257 with a
cloth, and carefully unscrew the cap anti-clockwise
⇒ .
– Add coolant.
– Screw the cap on again tightly.Make sure that the coolant meets the required specifications
⇒page 260, “Coolant”. Do not use a different type of additive if anti-
freeze additive G12++, G12+ or G12 is not available. In this case use
only water and bring the coolant concentration back up to the
correct level as soon as possible by putting in the specified additive.
Always top up with fresh, unused coolant.
Do not fill above the “MAX” mark. Ex cess coolant is forced out of the
system through the valve in the filler cap when the engine gets hot.
If a lot of coolant has been lost, wait for the engine to cool down
before putting in cold coolant. Failure to do so could result in
serious engine damage.
Fig. 257 Engine
compartment: Mark-
ings on radiator expan-
sion tank
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Page 300 of 342

AUDI S4 2008 Owners Manual Self-help
298
WARNING
There is a high risk of accidents when tow-starting, as the towed
vehicle can easily be driven into the towing vehicle.
Caution
When tow-starting the vehicle, do not tow it fu

Self-help
298
WARNING
There is a high risk of accidents when tow-starting, as the towed
vehicle can easily be driven into the towing vehicle.
Caution
When tow-starting the vehicle, do not tow it further than 50 metres:
otherwise the catalytic converter could be damaged.Towing a vehicle with manual gearbox and front-wheel drive
Towing is relatively straightforward.Please observe the notes ⇒page 295 .
The vehicle can be towed using a towbar or towrope in the normal
way, with all four wheels on the road; it can also be towed with
either the front or rear wheels lifted off the road. The vehicle must
not be towed faster than 50 km/h.Towing a vehicle with automatic gearbox and front-wheel drive
Certain restrictions must be observed when towing your
vehicle.Please observe the notes ⇒page 295 .
The vehicle can be towed with a towbar or towrope in the normal
way, with all four wheels on the ground. When doing so, please note
the following points:•
Release the parking brake ⇒page 121 .
•
Make sure the selector lever is in the N position.
•
The vehicle must not be towed faster than 50 km/h.
•
The vehicle must not be towed further than 50 km. The reason
for this is: when the engine is not running, the gearbox oil pump
does not work and the gearbox is not adequately lubricated for
higher speeds or longer distances.
If the vehicle has to be towed with a breakdown truck, it must only
be suspended at the front wheels. The reason for this is: the drive
shafts are located on the front whee ls. If the car is towed with the
rear wheels lifted off the road (i.e. travelling backwards), the drive
shafts also turn backwards. The planetary gears in the automatic
gearbox then turn at such high speeds that the gearbox will be
severely damaged in a short time.Note
If it is not possible to tow the vehicle as described above, or if it has
to be towed further than 50 km, it must be transported on a special
car transporter or trailer.Towing a vehicle with manual gearbox and four-wheel drive
Certain restrictions must be observed when towing your
vehicle.Please observe the notes ⇒page 295 .
The vehicle can be towed with a towbar or towrope in the normal
way, with all four wheels on the ground. It can also be towed by a
breakdown truck, with the wheels li fted at either the front or rear.
When doing so, please note the following points:•
The vehicle must not be towed faster than 50 km/h.
•
The vehicle must not be towed further than 50 km.
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AUDI S4 2008 Owners Manual Self-help299
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Note
If it is not possible to tow the vehicle as described above, or if it has
to be towed further than 50 km, i

Page 322 of 342

AUDI S4 2008 Owners Manual General notes
320General notesExplanation of technical dataWhere not otherwise indicated or separately listed, all technical
data apply to vehicles with st andard equipment for the German
market. Ot

General notes
320General notesExplanation of technical dataWhere not otherwise indicated or separately listed, all technical
data apply to vehicles with st andard equipment for the German
market. Other figures may apply for special versions and export
models.
Please note that the details listed in the vehicle's registration docu-
ments can be taken as correct.
Engine data
The figures for engine power output are determined according to
EU standards.
Performance figures
The performance figures were measured without equipment which
may influence performance, such as mudflaps or extremely wide-
section tyres.
Kerb weight (unladen weight)
These figures (kerb weight according to the currently applicable
version of EU Directive 92/21/EEC) apply to the vehicle with the tank
90% full, with no special equipment. The figures include an addi-
tional 75 kg to allow for the weight of the driver.
When towing a trailer, the gross vehicle weight may be exceeded by
up to 30 kg and the maximum rear axle weight may be exceeded by
up to 80 kg.
Maximum trailer weights
The maximum trailer weights are calculated in accordance with the
currently applicable version of EU Directive 92/21/EEC.
The figures for a trailer with brakes, on gradients up to 8% are appli-
cable only up to a maximum speed of 80 km/h (even though higher
speeds may be permitted when towing a trailer in some countries). The figures for a trailer with brakes on gradients up to 12%
and for
the weight of car and trailer on gradients up to 12% are applicable
up to a maximum speed of 100 km/h. This maximum speed must not
be exceeded even in countries where higher speeds are permitted.
Maximum draw bar loading
The vertical load exerted by the trailer drawbar on the ball joint of
the towing bracket must not exceed 80 kg.
In the interest of safety, we recommend applying the maximum
permitted draw bar weight. The stability of the trailer could be
adversely affected if too little weight is applied.
If the maximum permitted drawbar weight cannot be obtained, e.g.
when using small or light trailers, statutory regulations require that
the drawbar weight be at least 4% of the actual trailer weight (for
single-axle trailers or twin-axle trailers with an axle spacing less
than 1.0 m).
Dimensions1) The height of the vehicle depends on the tyres and suspension.
Take care not to damage low-mounted parts of the car (such as the
spoiler or exhaust system) on steep ramps, uneven road surfaces or
roadside kerbs, etc.
This applies especially when the vehicle is fully laden.Length
mm
4703
Width
mm
1826
Width across mirrors
mm
1953
Height, unladen
1)
mm
1417-1437
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AUDI S4 2008 Owners Manual Performance, weights and dimensions323
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Performance, weights and dimensionsPetrol enginesA4 1.8Engine data
Performance figures

Page 326 of 342

AUDI S4 2008 Owners Manual Performance, weights and dimensions
324A4 3.2 quattroEngine data
Performance figures
Weights
Maximum trailer weights
2)
Engine oil
MG = manual gearbox1) With slight loss of power2) The specified trail

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AUDI S4 2008 Owners Manual Performance, weights and dimensions325
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Diesel enginesA4 2.0 TDIEngine data
1)
Performance figures
Weights Maximum trailer weig

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