2011 AUDI A3 radiator
[x] Cancel search: radiatorPage 239 of 320
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• If, in an emergency, only water can be added, the correct ratio
between water and antifreeze=>
page 234 must be restored as soon
as possible.
~ For the sak e of the environment
Ora i ned coolant should not be reused . Always dispose of used coolant
while observing all environmental regulations .•
Radiator fan
The radiator fan switches on automatically by itself.
T he electric radiator fan is controlled by thermoswitches that switch
on and off depending on coolant a nd engine compartment tempera
tures.
An auxilia ry e lectr ic rad iator fan* sw itches on a nd off depend ing on
coo lant temperature and other vehicle operation cond itions .
After switch ing off t he engine, the auxiliary fan -even with the igni
tion off -can continue running for up to 10 minutes . It can even
switch on again later by itself=>& , if
• the temperature of the engine coolant rises due to the hea t build
up from the engine in the engine compartment, or
• the engine compar tment hea ts up because the vehi cle is parked in
intense sunlight.
& WARNING
• To reduce the risk of personal injur y never tou ch the radi ator
fan .
• The auxiliary ele ctric fan i s temperatur e controll ed and can
switch on sudd enly even wh en the engine is not running .
• The auxiliary radiator f an swit che s on aut omati cally when the
engine coolant reaches a certain temp eratur e and w ill continue to
run until the coolant temperature drop s. •
Vehicle OP-eration
Brake fluid
Checking brake fluid level
The brake fluid level can be checke d with a quick glance.
Fig. 167 Eng ine
compartment : b rak e
fl uid res ervoi r
Before you check a nything in t he engine compartment ,
always read and heed all WARNINGS~ & in "Working in
the eng ine compartment" on
page 226 .
-Read the brake fluid level from the bra ke fluid reservoir.
The brake fluid level must be between the "MIN" and
"MAX" markings ~ fig . 167 .
The brake fluid reservoir is located at the rear partition of the engine
compartment on the left side=>
page 227.
The fluid level may drop
slightly after some time due to the auto
m atic adjus tment of the brake pads. This is not cause for alarm .
If the brake fluid level falls
considerably below the "MIN" mark, t he
brake warning/ind icator light (U .S. models :
BRAKE, Canadian mode ls:
ill ) will come on=> page 15 and=> page 32. Do not continue to
operate the vehicle . The complete brake system should be thorough ly
chec ked by an au thor ized Aud i deale r o r other qualified facility and
the cause corrected. If the brake fluid leve l is too low, the brake .,,_
Vehicle care Do-it-yourselt service iTechnical data
Page 302 of 320
___ C_ o_n_ s _ u_m_ e_ r_ I_ n_ f_o _r_ m_ a_ t_io _ n _____________________________________________ _
Under difficult operating conditions, for example at extreme ly low
outs ide temperatu res, in very d usty reg ions, whe n tow ing a trailer
very frequently, etc ., some service work s ho ul d be performed
between the intervals specified . This app lies part icu larly to:
• oil changes, and
• cleaning or rep lacing the air fi lter .
For the sake of the environment
By regular ly maintai ning you r vehicle, yo u he lp make sure that emis
sion sta nda rds are ma inta ined, t hus m inimi zin g adve rse effects on
the environment .•
Important considerations for you and your
vehicle
T he increasing use of e lec tronics, sophisticated fuel in jection and
em ission control systems, a nd the generally increasing tec hnical
complexity of to day's automobi les, have stea dily reduced the scope
o f ma inte nance a nd repai rs wh ich can be ca rried out by veh icle
owners.
Also , safety and environmental concerns p lace very strict
limits o n the na ture of repa irs and adjustments to engi ne and trans
mission parts which an owner can perform.
M ainte nance, adjustments and repairs us ually re quire spe cial tools,
testing devices and other equipme nt available to spec ially trained
workshop pe rsonnel in order to assure p roper per formance, reli
ability and safety of the vehicle and its many systems .
Improper maintenance, ad justments and repairs can impa ir the oper
ation and reliability of you r ve hicl e and even void you r vehicle
warranty. Therefore, proof of servicing in accordance with the ma in
t enance schedule may be a c ondi tion for upholding a possib le
warranty claim made w ith in the warra nty period.
Above all, operat iona l sa fety can be a dve rsely af fec ted, crea ting
unnecessary risks for you and your passenge rs . If
in doubt about any serv ic ing, have it done by your authorized Audi
de aler or any o ther p rope rly equippe d and qua lifi ed workshop. We
strongly u rge you to give yo ur aut horized Audi dealer the opportunity
to pe rform all scheduled ma intenance an d necessary repairs . Yo ur
dealer has t he facilit ies, original parts a nd trai ned spec ia lists to keep
your vehicle runni ng proper ly.
Performing Limited maintenance yourself
Th e follow ing pages describe a lim ite d nu mber of proce dures which
can be performed on your vehicle w ith ord inary tools, sho uld the need
arise and traine d personne l be unavailable. Before pe rforming any of
these p rocedures, always tho rough ly read all of the applicable tex t
and caref ully follow the instructions g iven. A lways rigorous ly observe
t he
WARNINGS prov ided.
B efore you check anything in the engine compartment , always read
and heed all WARNINGS=>
& and=> & in "Wor king in t he engine
compartment" on
page 226 .
& WARNING
• Serious personal injury may occur as a result of improperly
performed maintenan ce, adju stments or repairs .
• Always be extremely careful when working on the vehicle.
Alway s follow commonly ac cepted safety practice s and general
common sense. Never risk personal injury.
• Do not attempt any of the maintenance, check s or repairs
described on the following pages if you are not fully familiar with
the se or other procedure s with respect to the vehicle, or are uncer
tain how to proceed.
• Do not do any work without the prop er tools and equipment.
Have the necessa ry work done by your autho rized Audi dealer or
another properly equipped and qualified workshop .
• The engine compartment of any motor vehicle is a potentially
hazardous area . Never reach into the area around or touch the
radiator fan. It is temperature controlled and can switch on
suddenly -even when the engine is off and the ignition key ha s .,_
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& WARNING (co ntinued )
been remo ved. The radiator fan switches on automatically when
the coolant reache s a certain temperature and will continue to run
until the coolant temperatu re drops.
• Always remove the ign ition key before anyone gets under the
vehicle.
• Alway s support your v ehicle w ith safety stands if it i s nece ssary
to work underneath the vehicle. The jack supplied with the vehicle
is not adequate for th is purpose and could collapse causing
serious personal injury.
• If you must work underneath the vehicle with the wheels on
the ground, always make sure the vehicle is on level ground , that
the wheels are always securely blocked and that the engine cannot be started.
• Always make sure the transmi ssion selector lever (automatic
transmission) is in "P" (Park position ) (automatic transmission)
or Neutral (manual transmission) and the hand brake is firmly
applied.
'i> For the sake of the environment
• Chang ing the engine settings will adversely affect emiss ion levels.
Thi s is detr imenta l to the environme nt and increases fue l co nsump
tion .
• Alw ays obse rve enviro nmen tal regula tion s when dis pos ing of o ld
eng ine oil, used brake fl uid, d irty engine coo lant, spent batter ies or
wo rn out t ires .
• Undeployed a irbag modules and pretensione rs m ight be classi fied
a s Pe rchlo ra te Ma ter ia l -s pec ia l han dlin g m ay apply , see
www.dtsc.ca.gov/hazardouswaste/perchlorate. When the vehicle or
part s of th e re st ra int system i ncludi ng air bag modu les s afe ty belts
with pretens ioners are scrapped, all applicable laws and regulat ions
must be observe d. Yo ur a uthor ized Au di dealer is f amiliar wi th these
requirements and we recommend that you have your dealer perform
this service for yo u.•
Safety first
Additional accessories,
modifications and parts
replacement
Additional accessories and parts
replacement
Always co nsult an autho riz ed Audi d ealer bef ore
p urchasing acces sories.
Yo ur vehicle incorporates the latest safety design feat ures ens uring a
high standard of active and pass ive safety .
Th is safety could be compromised by non-approved changes to the
veh icle . F o r th is reaso n, if p arts have to be rep la ce d , ple ase obse rve
the following points when installing addit ional accessories:
Approved Audi accessories an d genuine A udi parts are avai lable from
au thori zed Aud i dea le rs .
These dea lers a lso have the necessary facilities, tools and tra ined
specialists to i nstall t he pa rts and ac cesso ries properly.
& WARNING
Using the wrong spare parts non-approved accessories can cause
damage to the vehicle and serious per sonal injury.
• Use only accessories expressly approved by Audi and genuine
Audi spare parts
• These parts and accessories have been specially designed to be
used on your vehicle.
• Never install accessories such as telephone cradles or beverage
holder s on airbag covers or within the airbag deployment zones .
Doing so will increase the risk of injury if airbags are triggered in
an accident!
• Before you check anything
in the engine compartment, always
read and heed all WARNINGS~
page 218. .,
Do-it,yourself service Technical data
Page 310 of 320
-Alphabetical inde x _...,___ _ ______:_:__:_=.:..:...._ _________________ _
Emergency release for selector lever ... 121 Engine hood
Emergency starting ...... .. .. .. ... .. 286 Closing
............. ... .. ... .... 226
Emergency towing . .. .... .. ..... .... 289 Release lever
.............. .... .. 225
Energy management ........ .. .... .. 194 Releasing and open
ing .. .... .... .. 225
Battery power ................. .. 196 Engine malfunction (diesel engine)
Dr iver not ification .... ..... ....... 196 Warning light ............
.. .. .. .. 13
Engine E
ngine oil ........ ...... .... .. .. ... 228
4-cylinde r diesel (140 hp) ...... ... 228 Add
ing ... ... .. .. .. .. .... .. .. ... 232
4-cylinder gasoline (200 hp) . ..... . 227 Add
itives . ... ... ... .. .... .. .. ... 232
Coolant ................ ...... .. 234 Changing
....... ... .... .. .. .... . 232
Hood . ............. .... .. .... .. 225 Checking the engine oil leve
l ..... .. 231
Preheater .... .. .. .. .... ......... 103 Diesel engine .........
.... .. ..... 233
Starting . .. ... ... .... .. .. ... 106, 107
Starting w ith jumper cables . ....... 286
Stopping .. .. ... ... .. ........ ... 108
Engine compartment .. ....... ... . .. . 227
Safety instructions ............. .. 226
Work ing in the eng ine compartment 226
Engine coo lant system . ....... ... . ... 234
Add ing coolant ....... .. ... .... .. 236
Checking coo lant level ... .. .. .. ... 235
Checking the engine coolant level . .. 235 Indicat
ions and conditions requir ing extra
c heck ing .. .................... 231
O il cons ump tion . .... .. .. ... .. .. . 230
Oil grades .... .. .... ...... .. ... . 228
Recommended oil check intervals . .. 231
Specification and viscosity .. .... .. . 228
Specifications D iese l engine . .. ..... 233
Specifications gaso line engine . .... . 228
Engine oil leve l ... .. .... .. .. ...... .. . 3 4
E ngine oil p ressure (mailf u nctio n) ... .. . . 33
Radiator fan ............ ...... .. 237 Engine oil sensor defective
... .. .. ... .. 35
Engine coo lant tempe ra tur e E
ngine preheater ........ .... .. ..... 103
Ga uge ... .. .. .. .. .. .. ... . .. .. .. .. 9 Connecting ................
.... . 103
E ngine coo ling system Engine speed lim
itation . .... ... .... ... 34
Malf unct io n .. ... ......... .... .... 32 Environment
E ngine data ................ ...... .. 296 Brea
k-in period .. .... .. .. ... .... . 197
Engine fau lt
W arning light ........... ...... ... 13 Catalytic converter . . . . . . . .
. . . . . . . 198
Diesel particulate filter ............ 199
Disposing of your vehicle battery . .. . 242
Dr iv ing at hig h speeds .......... .. 200 Dr
iv in g to mi nimize pollution and noise ..
20 0
Fuel . ... .. .. .. ...... ... .. .. . ... 222
Fue l economy . ... .. .. .. ... .... .. 200
Leaks under yo ur vehicle ... .. .. .. . 226
Letting the vehicle stand and warm up ... 200
Proper disposa l of dra ined br ake fluid 238
Proper disposa l of dra ined engine coo lant
236
Prope r disposal of dra ined engine oil 232
Recycl ing used eng ine o il .......... 232
Unleaded fue l ............. .. .. .. 219
W hat sho uld I do w it h an old batte ry?
242
EPC
See Electronic power control . . . . . . . . 13
ES P
See Elect ronic Stability P rogram .. .. 188
Event Data Recorder ( EDR) .. ......... 188
Exhaust ta il pipes
Cleaning ... .... .... .. .. ...... .. 213
Expans ion tank .. ... ................ 235
F
Fahrenheit
Switching between Fahre nhe it and
Centigrade ..... .. .............. 99
Fan Adjusting the fan s peed .. ......... 1 00
Climate cont rols . ... .. .. ... .. ... . 10 0
Radiator ... .. ... ..... ... ...... .. 237
Page 314 of 320
-Alphabetical inde
x ---=-----------------
Paint no .............. ...... .. .. ... 294
panoramic sliding s unroof ..... .. .. ... . 51
Comfort closing . ... .. .. ... ... .... 52
Emergency operation . ... ...... . 53, 54
to close ............ ...... .... .. . 51
to open .............. .. .. .... .. . 51
Par king .. .. .... .. .. ...... ......... 109
Au tomatic t ransm ission . ....... ... 11 7
Par king brake ..... .. .. .. .. .. .. .. ... 108
Sett ing and releasing .. .. .. .. ..... 108
Park ing b rake warning ............. ... 32
Par king on a decl ine (downhi ll) . .. ..... 109
Park ing on an incline ( uphill) ....... ... 109
Particle filter
See Diese l particu late fi lter ... ... ... 34
Parts rep lacement . .... .. .. .. .. ..... 301
PASSENGER AIR BAG OFF light ..... ... 157
Passive sa fety system .. ....... ... . .. . 1 24
Peda ls ... ... ... ... ......... ....... 130
Physical principles of a frontal col lision . 136
Polishing . ....................... .. 209
Power locking switch ................. 44
Rear center console ....... .... .... 45
Power locking system . ....... ... . ... . 40
Convenience close/open feature .. .. . 50
Locking and unlock ing the vehicle from
inside ............ .. .. .. ... .... 44
O pe ning and closing the windows . .. . SO
O pera ting locks from wi th key ....... 43
Rear lid ... .. ...... .. .. .. .. .. ... . 45
Remote control ..... .. .. .. .. ... 39, 42
Unlocking a nd locking vehicle .... ... 42 Power seat
Adjusting the seatback .. ...... ... .. 76
Adjustme nt ............... ... .. .. 75
Power steering
See Electro-mechanical power assist . 17,
1 93
Power sunroof
See panoramic sliding sunroof ....... 51
Powe r window switches .. ... . ... .. .. .. 49
In the driver's door .... ... ... .... .. 49
Reactivating the system ..... ..... .. 51
Pregnan t wome n
Spe cial considerat ions when wear ing a
safety belt .............. .. .. .. . 141
Prope r occupant seating posit ions . ... . 126
Prope r safe ty belt position . . . . . . . . . . . 140
Proper seat ing position
Front passenger .......... .... .. . 127
Occupants .... ........... .. .... . 126
Rear passengers 128
Q
Quartz clock ..................... ... . 9
quattro ®
See All Whee l Drive ........ .. .... . 194
Ques tion
W hat happens to u nbelte d oc cupan ts? ...
137
Why safety belts? ............. .. . 135
R
Powe r out lets . .... .. .. .... ......... . 90 Radiator fan ........ .... .. .. .. .... . 237 Rad
io
Replacing .. ... ........... ... .. .. 302
Rain sensor defective ... .. .. .. .. .. .. .. 36
Readi ng light
Rear .. .. .... ............... .... . 62
Reading lights Front . ....................... 60, 61
Rear .. ... .................... 60, 61
Rear armrest ... .. ... ... .... .. .. ... . 80
Rear lid Emergency release .. .... .......... 46
Locking/un lo ck ing ................ 45
Rear lig ht defective .. ..... ... ..... .. . 36
Rear power locking switch ....... .. .. .. 45
Rea r seat bottom .. ... ... .... ... . ... . 81
Rear view mirror Ins ide rear view mirror . .. .. .. ... 63, 64
Rear window defogger with air -cond ition ing ...... ... .. .. 102
Ref uelling .. .... .. .... .... ... .. ... . 222
Release lever for engine hood ..... .. .. 225
Remote cont rol . .. .... .............. 39
Rese tting remote con trol ... ...... .. 43
Unloc king and locking ... .. .. .. .. .. 42
Remote master key Batte ry rep lacement . ..... .. ... ... . 39
Check ligh t ..................... . 39
Repa ir manua ls . ..... ......... ..... 299
Repai rs
Airbag system 159
Rep lacing
W heel r ims .. .. .. .. ........... .. 257