coolant reservoir AUDI A4 AVANT 2008 Owners Manual

Checking and filling -
-----------------------------==--------=--
& WARNING (continued)
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 pressure from the strut is
reduced.
- Let the hood
drop down and latch in place. Do not try to
push
it shut; it may fail to engage =:>& .
& 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 engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, stop at once and close it. •
Working in the engine compartment
Be especially careful whenever you work in the engine
compartment.
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 hazardous area
=> & .
• I I • • I
& WARNING
To help avoid injury, before you check anything under the hood:
• Turn off the engine.
• Remove the ignition key .
• Apply the parking brake.
• Move selector lever of automatic transmission to
"P" (Park);
put manual transmission in Neutral.
• Always let the engine cool down. Hot components 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 compartment.
• Never spill fluids on hot engine components. 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 .
• 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 immediately available.
• To avoid electrical shock and personal injury while the engine
is running or being started, never touch:
- Ignition cables
.,_
Vehicle care

Checking and filling -
------------ ----=---a::;;._...a
©
©
(i)
Coolant expansion tank ( ... L) ...... ... .. ..... .. ... .
Windshield/headlight washer container
( 0 ) ...... . .
Power steering reservoir (green cap)
& WARNING
Before you check anything in the engine compartment, always
read and heed all WARNINGS
=> & in "Working in the engine
compartment" on
page 273. •
Applies to vehicles: with 6 -cy lin d er engine
3.2 liter , 6-cylinder engine (255 hp)
281
291
241
These are the most important items that you can check.
Fig . 206 Engine compartment: 3 .2 liter , 6-cylinder
CD
0
©
Battery .. ............... ... .. ...... .... ...... .
Brake fluid reservoir (
... ) . .. ... ... .... .... ...... .
Coo lant expansion tank
(J _)
285
284
281
©
©
©
(i)
Engine oil filler cap ( Engine oil dipstick (orange) .. .... ..... ... .... ... .
Windshield/headlight washer container
( O ) ... .... .
Power steering reservoir (green cap)
& WARNING
Before you check anything in the engine compartment , always
read and heed all WARNINGS
=> & in "Working in the engine
compartment" on
page 273. •
Engine oil
Engine oil specifications
278
277
291
241
The engine oil used in your Audi needs the right kind of
oil.
The engine in your Audi is a sophisticated powerplant that was built
to exacting specifications . This engine needs the right kind of
engine oil that meets specifications regarding quality and viscosity
so that it can run smoothly and re liably . Choosing the right oil and
changing oil within the time and mileage intervals printed in your
vehicle's Maintenance
& Warranty booklet matters a lot more today
than it did years ago. Audi has developed a special quality standard
f or engine oil that wil l help assure that your vehicle's engine wi ll get
the lubrication it needs for proper operation .
Modern engine lubrication has taken a quantum leap in the last few
years. Many synthetic oils available today provide better engine
lubrication that can outlast traditional petroleum-based oils,
making them a smart choice for use throughout the life of your Audi .
Whether you use synthetic or petroleum -based engine oil, the oil
that you use must conform to Audi's oi l quality standard VW 502 00
to help keep your vehicle 's engine running smoothly and help
.,_
Ve hic le care Technical data

Alph ab eti ca l ind ex -
-------------=-----
Front seats
Adjusting .... .... ....... .... .... 169
Adjusting the manual seats .... .... . 96
Child restraints in the front seat .... 189
Heated seats . . . . . . . . . . . . . . . . . . . . . 132
Front seats adjustment Importance for safe driving and riding 95
Frontal c ollisions and the laws of physics ..
177
Fuel Fuel gauge ...... .... .... ... .... .. 16
Fuel consumption Average ....... .. .... .... .... ..... 40
F uel filler flap
Un locking the fuel fi ller flap by hand 271
F uel gauge .... .... .... .... .... .... .. 16
Fuel supp ly
Addi tives ... .. .... .... ...... ... .. 267
Blended gasol ine ... .. .... ... .... . 267 Fuse arrangement
............. .... .. 327
G
Garage door opener ... .... .... .... .. 157
Gas discha rge lamps .. ...... .... ... . 328
Gauges Engine coolant temperature ......... 13
Fuel gauge .. ....... .... .... ...... 16
Speedometer ... .. .... .... .... ... . 15
Tachome te r .. ... .... .... .... .... . 13
Tr ip odometer .. ...... .... .... ... . 15
Gearsh ift lever .... .. ... .. .... .... ... 142
Genera l il lustration
Instruments and controls .. .... ..... 11
Generator Warning/ind ica tor lights ...... .... .. 22
G lossary of tire and loading term inology ...
29 4
Fuel fi ller neck ... .... .... ...... .. 268 G love compartment ... .. .... .... .... 122
Fuel gauge ...... .... .... ... .... .. 16 Light .... .... .... .... .... .... ... . 81
Fuel tank capacity ............. 16,268 Gross Veh ic le Weight Rating (GVWR) ... 341
Gaso line .. ....... .... .... ....... 267
Gaso line additives ................ 268
H
Instantaneous fuel consumption ..... 41
Octane rating .................... 267 Head restraints ..
.... .... .... ....... 171
Recommendation .... .... ..... .. . 267 Adjusting
....... ... .. .... .... ... 171
Re fuel ling ....................... 269 Rear seats
.......... ...... .... ... 106
Un locking the fuel fi ller flap by hand 271 Headl
ight
Fuel supp ly too low .. .... .... .... .... . 34 Defective .....
........ ............ 35
Fue l tank Headlight
range co ntr ol
Capacity ... .. .... .... ... .... .... 268 de
fective ..... ... .... .... .... .... . 34
Capacity (ga llons/l it res) .. ...... .... 1 6 Headlight washer reservoir ........... 291 Headlights
.. ... .... ... .. ...... .... .. 72
Adaptive light .. .... ............. .. 75
Front fog l ig hts .................... 76
Switching off ..................... 72
Switching on .......... ........ .... 72
Washer system . ....... ... .... .... . 87
Heated rear seats ...... .... .... .... ... .. 133
Heated outside mirrors ... .... .... ..... 91
Heated seats rear . ... .. .... .... ... .... ..... .. 1 33
Heated washer jets Wiper and washer system ........... 85
Heavy cl othing and safety belts .. ...... 1 80
High beam ....... ........ ....... . 72, 80
Warning/ind icator lights ........ .... 23
High vo ltage warning label ........... 340
Ho melink® U niversal Rad io- Frequency Re-
mote Contro l .. .. .... ...... .... . 157
Hood Opening ...... .... ... .... .... ... 272
Release lever ....... ... .... .... ... 272
Hor n ... .... .... .... .... ... .... .... . 1 1
How many airbags does my vehicle have? ..
19 4
How often shou ld I check my tire pressures?
300
How safety be lt tensioners work ....... 185
How to increase the loading surface .. . 104
Hydroplaning ..... ... .... .... ...... . 30 4
Controls and equip­
ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data

-Alphabetical index _ _e ____________________________________ _
Waxing .... .... ....... .... .... ... .. 257 Why safety belts? ....... .... .... 176, 177 y
Wear indica tor ..................... 303 Windows
Weatherstrips .... ... .... .... .... ... 259 Cleaning ........................ 258 Yellow symbols ... .... .... ...... ..... 33
Weights ........................... 341 Convenience close/open feature ..... 59
What happens if you wear your safety be lt too Defogging · · · · · · · · · · · · · · · ·
...... 131
loose? ........................ 182 Defrosting ...................... 131
What happens to unbelted occupants? . 178 Rapid defrosting/defogging ........ 131
What impairs driving safety? .. ...... . 167
What should I do after changing a wheel? .. 300
What should I do after replacing whee ls? ...
300
Wheel bolts Torque ......................... 311
Wheel change . . . . . . . . . . . . . . . . . . . . . . 318
Wheels .. .... .... .... ....... .... ... 293
Cast a lloy ... .. .... .... .......... 260
Checking tire pressure ............ 299
Cold tire inflation pressure ...... .. 297
Genera l notes .... .... .... ...... . 293
G lossary of tire and loading terminology
294
New tires and whee ls . . . . . . . . . . . . . 305
Stee l whee ls .......... .......... 259
Tires and vehicle load limits . . . . . . . 301
When must a safety belt be replaced? .. 180
When must the airbag system be inspected? 198
When should I adjust the tire pressures?
300
When should I check the tire pressures? 300 Windshield washer fluid
Low level .... ....... ...... .... ... 34
Windshield wipers Installing new wiper b lades ......... 88
Washer reservoir . . . . . . . . . . . . . . . . . 291
Winter driving Windows . . . . . . . . . . . . . . . . . . . . . . . 258
Winter operation
Battery .. .... ....... ...... .... .. 285
Coolant system .................. 280
Ti res ....... .. .... .... .... ... ... 242
Winter tires .............. .......... 310
All -whee l drive ... .... ....... ..... 310
Wiper and washer system .. .... .... ... 85
Intermittent wiping ...... ....... ... 85
One-tap wiping ...... ...... .... ... 85
Rear window wiper .......... .. .... 86
Wiper blades Installing new wiper blades ....... .. 88
Replacing rear window wiper blades . 89
Worn brake pads .. ........ ... .... .... 34
X
Where can I find the tire pressures for my Xenon headlights ..... .... .... .... ... 79
car? ...... ... .... .... .... .... . 299 Xenon-L ights ... .. ...... .... ... .. ... 328