Checking and Filling
Checking and Filling Hood
Releasing the engine hood
The engine hood is released from inside the vehi
cle .
Fig. 195 Driver's side footwell : eng ine hood release lever
.. With the driver's door open, pull the lever un
der the instrument panel in the direction of the
arrow ¢
fig. 195.
The hood pops up slightly under spring pressure.
Opening the engine hood
CJ
Fig. 196 Release lever under t he e ngi ne hood
Before opening the engine hood, make sure that
the windshield wipers are flat against the w ind
shield. Otherwise, they could damage the paint
on the hood.
.,. Pull up on the release under the hood
¢
fig . 196. This releases the catch.
.,. Open the hood all the way ¢.&_ .
,& WARNING
Hot engine coo lant can burn you.
220
-To reduce the r isk of being burned, never
open the hood if you see or hear steam or
coo lant escaping from the engine compart
ment. Wait until no steam or coolant can be
seen or heard before carefully opening the
hood .
Closing the engine hood
.,. Pull the hood down until the pressu re from the
struts is reduced .
.. Let the hood
drop down and latch in place. Do
not try to push it shut;
it may fail to engage
~A -
A WARNING
A hood that is not completely latched could
fly up and block your view while driving.
- When you close the engine hood, check it to
make sure the safety catch has properly en
gaged . The hood should be flush with the
surrounding vehicle body parts .
- If you notice while driv ing that the hood is
not secured properly, stop at once and close
it .
Working in the engine compartment
Be especially careful whenever you work in the
engine compar tment.
-
Whenever you must perform any work in the
engine compartment , for example checking and
filling different fluids, there is a risk of injury,
burns and accidents. To prevent personal injury
always observe the following WARNINGS. The
engine compartment of any vehicle is a hazard
ous area ¢.&, .
A WARNING
To help avoid injury, before you check any
thing und er the hood:
- Turn off the engine.
- Remove the ign ition key .
- Apply the parking brake.
- Move selector lever of automatic transm is-
sion to P (Park).
-
,....,
N
co
er::
co
,....,
ponents will burn skin on contact .
- To reduce the risk of being burned, never
open the hood if you see or hear steam or
coolant escaping from the engine compart
ment. Wait until no steam or coolant can be
seen or heard before carefully opening the
hood.
- Keep children away from the engine com
partment .
- Never spill fluids on hot engine compo
nents. They can cause a fire .
- Never touch the radiator fan. The auxiliary
electric fan is temperature controlled and
can switch on suddenly.
- Never open the coolant reservoir cap when
the engine is still warm. The coolant system
is pressurized and hot coolant could spray
out .
- Protect your face, hands and arm from
steam or hot engine coolant by placing a
thick rag over the cap when you open the
coolant reservoir .
- Do not remove the engine cover under any
circumstances. This increases the risk of
burns.
- If work on the fuel system or the electrical
system is necessary:
- Always disconnect the battery.
- Never smoke or work near heaters or open
flames. Fluids in the engine compartment
could start a fire.
- Keep an approved fire extinguisher imme
diately available.
- To avoid electrical shock and personal injury
while the engine is running or being started, never touch:
- Ignition cables
- Other components of the high voltage
electronic ignition system .
- If you must perform a check or repair with
the engine running:
- First, fully apply the parking brake, move
selector lever of automatic transmission
to P (Park).
Checking and Filling
-Always use extreme caution to prevent
clothing, jewelry, or long hair from get
ting caught in the radiator fan, V-belts or
other moving parts, or from contacting hot parts. Tie back hair before starting,
and do not wear clothing that will hang or
droop into the engine.
- Minimize exposure to emission and chemi
cal hazards
~ .&, .
A WARNING
California Proposition 65 Warning:
- Engine exhaust , some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali
fornia to cause cancer and birth defects and
reproductive harm. In addition, certain flu
ids contained in vehicles and certain prod
ucts of component wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm.
- Battery posts, terminals and related acces
sories contain lead and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive harms .
Wash hands after handling .
(I) Note
When adding fluids, always make sure that
they are poured into the proper container or
filler opening, otherwise serious damage to
vehicle systems will occur.
@) For the sake of the environment
To detect leaks in time, inspect the vehicle
floor pan from underneath regularly . If you
see spots from oil or other vehicle fluids, have
your vehicle inspected by an authorized Audi dealer.
221
Checking and Filling
Engine compartment
Engine compartment
These are the most important items that you can check.
Fig. 197 Typical layout for con tainers and eng ine oil filler cap
® Eng ine oil filler cap ("1::7':) ........ 224
© Coolant expansion tank (- L) ..... 226
® Jump start point(-) with hex head
screw
. .. .. .... .............. 231,271
® Windshield/headlight washer con-
tainer
(Q) ................... 233
The position of the engine oil filling hole
¢ fig. 197 (item @) can differ depending on the
engine design .
A WARNING
Before you check anything in the engine com
partment, always read and heed all WARN
INGS ¢.&.
in Working in the engine compart
ment on page 220.
222
Engine oil
Engine oil specifications
~ r--0 d::
"' t0
The engine oil used must conform to exact speci
fications.
The serv ice interval display in the instrument
cluster of your vehicle will inform you when it is
time for an oi l chang e. We recommend that you
have your oi l changed by an authorized Audi Serv
i ce Advisor.
If you have to top off the oil between oil changes,
us e the Audi oil quality standard specified in the
ta ble.
~
Checking and Filling
areas, into open streams or down sewage
drains.
- Recycle used engine oil by taking it to a used
engine oil collection facility in your area, or
contact a service station .
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 sealed and generally re
qu ires little attention .
The cooling system has been filled at the factory
with a permanent coolant which does not need to
be changed. The coolant consists of
a mixture of
specially conditioned water and the manufactur
er's g lycol-basedcoo lant additive G 13 antifreeze
w ith anticorrosion addi tives (50% for USA mod
e ls· 60% for Canadian mode ls). This m ix ture
'
both ass ures the ne cess ary fros t protection and
p rotects metal com ponents in the engi ne's coo l
ing system from corrosion and scaling .
It also
raises the boiling point of the coolant.
Do not red uce the concent ra tion of the cool ant in
the s ummer by addi ng p la in water.
The propor
tion of coolant additive must be at lea st 50 %
but not more than 60 %
to maintain antifreeze
protection and cooling efficiency. If the coolant
frost protection is too low, the coo lant could
freeze and damage the vehicle heat ing and en
g ine cooling system .
For year -round driving, antifreeze is added at the
factory for temperatures down to:
- -3 1 °F
c -3s0c) usA
- -4 0° F ( -40°C) Canad a.
I f you must add coolant, use a m ixt ure of wa ter
and coolant add it ive. M ixing the coolant additive
with d istilled water is recommen ded.
_& WARNING
B efore you che ck anyt hing i n the engine com
partmen t, a lways read and heed all WARN -
226
INGS ~ & in Working in the engine compart
ment on page 220.
(D Note
- Be fore w inter sets in, have the coolan t
checked to see if the coo lant additive in your
vehicle is suff ic ient to meet the climate con
ditions. This is especially important if you
live in a region where the winter is extreme
ly cold. If necessary, increase the proportion
of coolant addi tive to 60% .
- Whe n adding coolant additive to your cool
ing system, remember:
- We re commend usin g on ly coo lant addi
tive G12++ o r G13 fo r yo ur vehicle. This
coolant ad dit ive is availab le at authorized
Audi dealers. Other types of antifreeze can
significantly reduce corrosion protection.
The resulting corrosion can cause a loss of
coolant and serio us engine damage.
- Do not add any type of radiato r leak sealant
to your vehicle's engine coolant. Adding ra
diator repair fluid may adversely affect the
function and perfo rmance of yo ur cooling
system and cou ld resu lt in damage not cov
ered by your New Ve hicle Li mited War ranty.
Checking the engine coolant level
The engine coolant level can be checked with a
quick glance.
Fi g. 20 0 Eng ine compartment: cover on the coo lant expan
s io n tank
Befo re yo u check anything in the engine compart
ment,
always read and heed all WARNINGS
~ ,& in Working in the engine compart,nen t on
page 220. ..,.
.... N
co
er::
co
....
.,. Turn
off the ignition.
.,. Read the engine coolant level from the coolant
expansion tank
c> fig . 200, c> page 222,
fig. 197. With a cold engine, the coolant level
should be between the "MIN" and "MAX" mark
i ngs . When the engine is warm, the level may
be s light ly above the
"MAX " marking .
T he location of the coolant expans ion tank can be
seen in the engine compartment illustrat ion
i=> page 222.
To obtain an accurate reading, the engine must
be sw itched
off.
The expansion tank in your vehicle is equipped
with an electric coolant level sensor.
When the coo lant level is too low, the warning
light in the Auto-Check System
c:> page 29 wi ll
blink until you add coolant and the level has been
restored to normal. Even though there is an e lec
tr ic coolant level sensor, we still recommend you
check the coolant level from time to time.
Coolant loss
Coolant loss may indicate a leak in the cooling
syst em. In the event of coolant loss, the cooling
system should be inspected immediately by your
authorized Audi dealer. It is not enough merely
to add coolant .
In a
sealed system, losses can occur only if the
boiling point of the coo lant is exceeded as a re
sult of overheat ing .
(D Note
Do not add any type of radiator leak sealant
to your veh icle's engine coolant. Adding radia
tor repair fluid may adversely affect the func
tion and performance of your cooling system
and could result in damage not covered by
your New Vehicle Limited Warranty .
Adding coolant
Be very careful when adding engine coolant.
Before you check anyth ing in the eng ine compart
ment,
always read and heed all WARNINGS
Checking and Filling
c> .&. in Working in the engine compartment on
page
220 .
Requirement: The re must be a residual amount
of coolant in the expans io n tank
c>@.
.,. Turn off the engine .
.,. Let the engine cool down.
.,. Place a thick rag over the coolant expansion
ta nk
c:> page 226 , fig. 200 and carefully turn
the cap counter-clockwise
c> _&. .
.,. Add coo lant mixed in the correct ratio
c:> page 226, Coolant up to the MAX marking .
.,. Make sure that the f luid level remains stable.
Add more coolan t if necessary .
.,. Twist the cap o n again
tightly.
Replacement engine coolant must conform to ex
act specifications
c:> page 226, Coolan t.
We recommend using only coolant addit ive Gl2 +
+ , Gl3
or in an emergency Gl2+. Do not use a
different additive . In an emergency use plain wa
ter until you can get the correct addit ive and can
restore the correct ratio. This should be done as
soon as possible.
If you have lost a considerable amount of coo l
ant, then you shou ld add cold antifreeze and cold
water only whe n the engine is cold.
Always use
new e ngine coolant when refilling.
Do not fill coolant above the "MAX " mark. Excess
coolant will be forced out through the pressure
relief valve in the cap when the engine becomes
hot.
A WARNING
-- The cooling system is under pressure and
can get very hot. Reduce the risk of scalding
from hot coolant by following these steps .
- Turn
off the eng ine an d allow it to cool
down.
- Protect your face, hands and arms from
escaping fluid and steam by covering the
cap with a large, thick rag.
- Tu rn the cap slowly and very carefully in a
counter-clockwise direction whil e applying
light, downward pressure on the top o f
the cap .
~
227
Checking and Filling
-To avoid bein g burned, do not spill anti
f reeze or coolant on the exhaust system or
hot engine parts. Under certain condi
tions, the ethylene glycol in engine cool ant can catch fire.
- Antifreeze is poisonous . Always store anti
freeze in its original container and well out
of the reach of children .
- If you dra in the coolant, it must be ca ught
and safely stored in a proper conta iner
clearly marked "poison".
(D Note
- Do not add coolant if the expansion tank is
empty . Air cou ld enter the cooling system
and damage the eng ine .
If this is the case,
do not continue dr iving . Seek professional
ass istance.
- Coolant pollutes the e nvironment a nd could
cause an eng ine fire. Excess coolant will be
fo rced o ut through the pressu re relief valve
i n the cap when the eng ine be comes hot .
- If, in an emergency, o nly wate r can be add
ed, the co rrect ratio between water and an
tifree ze ~
page 226 mus t be resto red as
soon as possib le .
@) For the sake of the environment
Drained cool ant sho uld not be reused. Always
dispose of used coo lant w hile obse rving all
environmenta l regulatio ns.
Radiator fan
The radiator fan switches on automatically by it
self.
The radiator fan is dr iven by the eng ine v ia the V
be lt . The visco us cl utch regula tes the speed of
the fan acco rding to the tempera ture of t he cool
ant.
An aux iliary ele ct ric radiator fan* swit ches on and
off depending on coolant tempera tu re and o ther
ve hicl e operat ing cond itions .
After you switch the engine off , the auxiliary fan
can cont inue runn ing fo r up to 10 minutes - even
228
with the ignition off . It can even switch o n aga in
l ater by itself~.&. , if
- the tempera ture of the engine coolant rises d ue
to the hea t build- up from the engine in the en
gine compartment, or
- the engine compa rtme nt heats up bec ause the
veh icle is parked in intense s unlight.
A WARNING
- To reduce the r isk of personal injury never
touch the radiator fan.
- The a uxiliary e lectric fan is temperat ure
controlled and can switch on suddenly even
when the engine is not runn ing .
-
-The a uxiliary radiator fan switches on a uto
mat ically when the eng ine coolant reaches a
certain temperature and will continue to r un
until the coo lant temperature drops.
Brake fluid
Checking brake fluid level
The broke fluid level con be checked with o quick
glance .
Fig. 20 1 En g in e com par tmen t: cov er on t he br ak e fluid
r e servo ir
N
N
-N
"' CIO a,
Befo re you check anything in the engine compart
ment,
always read and heed all WARNINGS
~ .&, in Working in the engine comportment on
page 220 .
.,. Read the brake fluid level from the bra ke f luid
rese rvoir ~
fig. 201, <> page 222, fig . 197. The
brake fl uid leve l must be between the "M IN"
and "MAX " mark ings .
,...,
N
co ~ CX) ,...,
I.Cl U"I ,...,
I.Cl ,...,
management system to enable you to use the en
ergy management functions correctly after re
placing the battery.
If it is not possible to use a battery of this type,
the new battery must have the same capacity,
voltage (12 volts), amperage, construction and
plug sealing .
When installing the battery, make sure the igni
tion and all electrical consumers are turned off.
CD Note
- Make sure the vent ilation hose on the side
of the battery is connected, otherwise
fumes or battery acid can leak out.
- Vehicles with the Start-Stop-System* are
equipped with a special cycle-proof AGM
battery. Installing a different type of bat
tery can cause prob lems in the vehicle elec
trical system. When replacing the vehicle battery, always install one with the same
spec ifications as the original battery.
@) For the sake of the environment
Because of the problem of proper disposal of
a battery, we recommend your authorized
Audi dealer change the battery for you. Bat
ter ies contain sulfuric acid and lead and must
always be disposed of properly in compliance
with all environmental regulations. Disposing
of vehicle batteries imp roperly is very danger
ous to the environment.
Windshield/headlight
washer container
Fig. 203 Engine compartment: cover on the windshield
and headl ight* washer flu id reservo ir
M N
-N
"' CX) CX)
Checking and Filling
The washer fluid container is marked with the
symbol
O on its cap ¢ fig. 203, ¢page 222,
fig. 197 .
.. Before you check anything in the engine com
pa rtment,
always read and heed all WARN
INGS ¢ A in Working in the engine compart
ment on page 220 .
.. Lift the filler cap tongue to add washer fluid .
You can fill the container to the top .
.,. Press the cap back onto the filler neck after fill-
ing the co nta iner.
You can find the reservoir
capacity in the table in
¢page 277.
Clean water should be used when filling up. If
possible, use soft water to prevent scaling on the
washer jets. Always add a glass cleaner solution
(with frost protection in the winter).
CD Note
Do not mix engine coolant antifreeze or any
other additives to fill up the windshield wash er reservoir .
233
Wheels
tires according to the load and
the size of the tires installed.
Model/ Tire designation
Engine Tire pressure
Normal load Maximum load
(up to 3 people)al
front rear front rear
PSI
235/60 Rl8 103H
29 Q5:
All Season
2 .0L
235/55 R19 101H
4 cylinders All Season
30
and
Q5: 235/55 R19101W 29 High Performance
3.0L
6 cylinders 255/45
R20 101W
29 High Performance
255/45 R20 101W
39 SQ5: High Performance
3.0L
6 cylinders 255/40
R21102Y XL
41 High Performance
a) 2 people in the front, 1 person in the rear
A WARNING
Please note the important safe
ty precautions regarding tire pressure ¢
page 244 and load
limits ¢
page 246.
Tires and vehicle load limits
There are limits to the amount of
load or weight that any vehicle
and any tire can carry. A vehicle
that is overloaded will not handle
well and is more difficult to stop.
Overloading can not only lead to
loss of vehicle control, but can al
so damage important parts of the
vehicle and can lead to sudden
246
kPA PSI kPA PSI kPA PSI kPA
200 29 200 32 220 32 220
210
30 210 33 230 33 230
2 00 29 2 00 33 2 30 33 230
200 29 200 33 230 33 230
27 0
39 27
0 41 2 80 41 2 80
280 36 250 4 1 280 42 290
tire failure, including a blowout
and sudden deflation that can
cause the vehicle to crash.
Your safety and that of your pas
sengers also depends on making
sure that load limits are not ex
ceeded. Vehicle load includes ev
erybody and everything in and on
the vehicle. These load limits are
technically referred to as the vehi
cle's
Gross Vehicle Weight Rat
ing
("GVWR").
The "GVWR" includes the weight
of the basic vehicle, all factory in
stalled accessories, a full tank of
fuel, oil, coolant and other fluids ..,.