@ For the sake of the environment
- Before changing your oil, first make sure
you know where you can properly dispose
of the used oil.
- Always dispose of used engine oil proper-
ly. Do not dump it on garden soil, wood-
ed areas, into open streams or down
sewage dra ins.
- Recycle used engine oil by taking it to a
used engine oil collection facility in your
area, or contact a service station .
Engine cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro-
tects the engine from freezing in the winter.
The cooling system is sea led and generally re-
quires litt le atten tion.
The cooling system has been filled at the fac-
tory with a permanent coolant which does not
need to be changed. The coolant consists of a
mixture of spec ially conditioned water and the
manuf acturer 's glycol-based coolant addi-
tive G13 antifreeze with ant icorrosion addi-
tives (50% for USA models ; 60% for Canadian
models). This mixture both assures the neces-
sary frost protection and protect s metal com-
ponents in the engine's cooling system from
corrosion and scaling . It also raises the boil-
ing point of the coolant .
Do not reduce the concentration of the cool-
ant in the summer by adding plain water.
The
proportion of coolant additive must be at
least 50 % but not more than 60 %
to main-
tain antifreeze protection and cooling efficien-
cy.
If the coolant frost protect ion is too low,
the coolant could free ze and dam age the vehi-
cle heating and eng ine cooling system.
For year-round driving, antifreeze is added at
the factory for tempera tures down to:
-- 31°F( - 35°C)USA
- - 40 °F ( - 40 °C) Canada.
Checkin g and fillin g 231
If you must add coolant, use a mixture of wa-
ter and coolant additive . Mixing the coolant
additive with distilled water is recommended.
_& WARNING
Before you check anything in the engine
compartment, always read and heed all
WARNINGS
c> .& in Working in the engine
comportment on page 224.
Q) Note
- Before winter sets in, have the coolant
checked to see if the coolant additive in
your vehicle is sufficient to meet the cli-
mate conditions. This is especially impor-
tan t if you live in a region where t he win-
ter is extreme ly cold. If necessary, in-
crease t he propo rt ion of coolant additive
to 60% .
- Whe n adding coolant additive to your
cooling system, reme mber:
- We recommend using only coolant ad-
ditive G12++ or G13 (check the labe l)
fo r your vehicle. This coolant additive is
available at autho rized Audi dea lers.
Other types of antifree ze can signifi-
cantly reduce corros ion protection. The
resulting corrosion can cause a loss of
coolant and serious engine damage.
- Do not add any type of radiator leak seal-
ant to your vehicle's engine coolant .
Adding radiator repair fluid may adverse -
ly affect the function and performance of
your cooling system and could result in
damage not covered by your New Vehicle
Limited Warranty.
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