engine AUDI Q5 2014 Repair Manual

204 Intelligent technology
If starting capability is jeopa rdized due to en­
ergy consumption, the following warning ap­
pears in the radio or MMI* display:
Please start engine, otherwise system will
switch off in 3 minutes.
The warning ind icates that the system will be
turned off automatically after 3 minutes. If
you wish to continue using the functions, you
have to start the engine .
With the engine running
Although electrical energy is generated when
the vehicle is be ing driven, the battery can be­
come discharged . Thi s happens mostly when
little ene rgy is being generated and a great
deal consumed and the battery's state o f
charge is not optima l.
To bring the energy balance back into equili­
brium, consumers which require especially
l arge amounts of energy are temporarily cut
back or switched off. Heating systems in par­
ticular require a great dea l of energy. If you
notice, for example, that the heated seats* or
the heated rear window are not heating, they
have been temporar ily cut back or switched
off. These systems will be ava ilable again as
soon as the energy balance has been restored.
You will also notice that engine idle speed has been increased slightly. This is normal and not
a cause for concern . By increas ing engine idle
speed the add it iona l energy required is gener­
ated and the battery is charged.

Driving and
environment
The first 1
1000
miles
(11500 km) and
afterwards
New engine
The engine needs to be run-in during the first
1,000 miles (1 ,500 km) .
For the first 600 mile s (1,000
kilometers ):
.,. Do not use full throttle.
.,. Do not drive at engine speeds that are more
than 2/3 of the max imum permitted RPM .
From 600 to 1,000 miles (1 ,000 to
1,500 kilometers ):
.. Speeds can gradually be increased to the
maximum perm iss ible road or eng ine speed .
During and after br eak-in period
.. Do not rev the eng ine up to h igh speeds
when it is cold. Th is applies whether the
transmission is in N (Neutral) or in gear.
After the break- in peri od
.. Do not exceed max imum eng ine speed un­
der any circumstances.
.. Upshift into the next higher gear before
reaching the red area at the end of the tach­
ometer scale c.>page 10.
During the first few hours of driving, the en­
g ine's internal friction is higher than later
when all the moving parts have been broken
in . How well this break -in process is done de ­
pends to a considerable extent on the way the
ve hicl e is driven du ring the first 1,000 miles
(1,500 k ilome ters).
(D Note
Extremely h igh engine speeds are auto­
mat ica lly reduc ed. However, t hese rpm
lim its are programmed for a n engine well
r u n- in, not a new engine.
Driving and environment 205
@) For the sake of the environment
Do not drive with unnecessarily high en­
g ine speeds -upshifting ear ly saves f uel,
reduces noise and protects the environ­
ment.
New tires
If your vehicle is running on new tires, drive
very carefully for the first 350 miles (500 ki lo­
meters) after fitting.
.&, WARNING
N ew tires tend to be sl ippery and mus t al­
so be "b roken -in" . Be sure to remember
this dur ing the f irst 350 m iles (500 kilo­
meters) . Brake gently . Avoid fo llowing
closely behind other vehicles or other sit­
uations that m ight require sudden, hard
b raking .
New brake pads
Remember that new brake pads do not have a
full brak ing effect dur ing the first 250 m iles
(400 ki lomete rs) afte r they are installed.
New brake pads have to be "burnished in" be­
fore they have optima l grab
c'.> .&. .
During the brea k-in period, yo u should avo id
putting severe loads on the brakes. Severe
l oads include , for example, sudden hard brak­
i ng, in particular at very h igh speeds or, for
example, on mountain passes .
.&, WARNING
New b rake pads don 't have the best stop­
p ing power and must be "broken-i n" dur­
ing the initi al 100 to 150 miles (150 to
200 kilometers) o f no rma l ci ty driving . You
can compensate for this by pressing the b rake peda l more firm ly . This also applies
later when new pads are installed.
•
•

206 Driving and en vir onm ent
Catalytic converter
Appl ies to vehicles: with gasoline e ngin e
It is very important that your emission con­
trol system (catalytic converter) is function­
ing properly to ensure that your vehicle is run­
ning in an environmentally sound manner .
.. Always use lead-free gasoline i=> page 222,
Gasoline .
.. Never run the tank down all the way to emp-
ty .
.. Never put too much motor oil in your engine
¢ page 236, Adding engine oil 'l=r. .
.. Never try to push- or tow-start your veh icle.
The catalytic converter is an eff ic ient "clean­
up" device built into the exhaust system of
the vehicle. The catalyti c converter burns
many of the pollutants in the exhaust gas be­
fore they are released into the atmosphere.
The exclus ive use of unleaded fuel is cr itically
important for the l ife of the cata lytic convert­
e r and proper functioning of the engine.
A WARNING
T he temperature o f the exhaust system is
high, both when driving and after stopping
the engine .
- Never touch the exhaust tail pipes once
they have become hot. This could result
in burns.
- Do not park or operate the vehicle in
areas where the hot exhaust system may
come in contact with dry grass, brush,
fuel spill or other material which can
cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exhaust
man ifold, exhaust p ipes, catalytic con­
verter or heat sh ields . During driving, the
substance used for u ndercoating cou ld
overheat and cause a fire.
@) Note
- Be aware that just one tank f illing with
leaded fuel will already seriously de­
grade the perfo rmance of the cata lytic
conve rter. -
Do not exceed the correct engine oil level
i=>page 236.
-Do not drive until the fue l tank becomes
completely empty . The engine co uld m is­
fire . Unburned fuel could also get into
the exhaust system and this cou ld cause
the catalytic converter to overheat.
- Do not turn off the ignition while the ve­
hicle is mov ing .
- Do not continue to ope rate your vehicle
under these conditions, as otherwise fuel
can reach the catalyt ic converter. Th is
cou ld result in overheating of the con­
verter, requir ing its replacement .
- To assure efficient operation of the Emis­
sion Control System:
- Have you r vehicle maintained p roperly
and in accordance w ith the service rec­
ommendations in your Warranty & Maintenance book let.
- Lack of prope r maintenance as we ll as
improper use of the vehicle wi ll impair
the function of the em ission contro l
system and could lead to damage.
@) For the sa ke of the en vironment
Even when the Emission Control System is
ope rat ing properly, the exhaust gas can
have a sulfur-like exhaust gas smell under
some operat ing states. This depends on
the sulfur content of the fuel being used .
Usi ng a different brand of fuel may help,
or f illing the tank with lead-free super
grade gasoline.
Diesel particulate filter
Applies to vehicles: with diese l eng ine
The diesel part icu late filter filters nearly all of
the soot pa rticles out of the exhaust . T he fil­
te r cleans itself automat ica lly unde r no rma l
dr iv ing cond itions . If the filte r cannot clean it­
self (for example, because you are on ly driving
short distances), the filter becomes clogged
with soot and the
II symbol for the diesel
particulate filter i lluminates
i=> page 34. ..,.

A WARNING ,~
- Do not park your vehicle over flammable
materials such as grass or leaves because
the high temperature of the diesel par­
t icu late filter could start a fire .
- Do not apply an underbody protectant in the exhaust system area or a fire could sta rt.
Avoid damaging the
vehicle
When you are driving on poor roads, o r over
curbs, steep ramps, etc., make ce rtain that
l ow -lying parts such as spoi lers and exhaust
system parts do not bottom out and get dam­
aged.
This is especially true for vehicles with low ­
slung chassis (sports chassis)* and f ully load ­
ed vehicles.
Shutting down vehicle
I f you wou ld like your veh icle to remain inop­
erative for a longer period of time, contact an
Audi or other specialized dealer. They can ad­
vise you on necessary precautions e.g . corro­
sion prevention, ma intenance and storage.
Pay attention to add itiona l information con ­
cerning the battery. Refer to
c::> page 242 .
Operate your vehicle
economically and
minimize pollution
General
Your personal style of driving will determine
the economy of your vehicle, as well as ex­
haust and noise levels.
Fuel economy, environmental impact, and
wear on your engine, brakes and t ires largely
depend on th ree factors:
- you r persona l dr iving style
- operating conditions
- technica l lim itations
Dri vin g and en vironm ent 207
If you ant ic ipate what you need to do next and
drive economically, yo u can easily cut yo ur
fuel consumpt ion by 10 -15 percent. T his sec­
tion w ill give you some tips on how you can
help the env ironment and your pocketbook.
Q) Tips
The consumption estimates as published
by ENVIRONMENTAL PROTECTION AGENCY
(EPA) and Transport Canada may not corre­
spond to your actual consumption on the road, which will vary depending upon vehi­
cle load and speed, road and weather con­
dit ions, t rip leng th, etc.
Drive smoothly and keep a lookout
ahead
Vehicles use the most fuel when they are ac ­
celerating .
.,. Avo id u nnecessary accelerating and b rak ing.
Vehicles use the most fuel when they are ac ­
ce le rat ing . If you ant icipate what is going to
happen next, you will need to brake less and,
thu s, acce le rate less. Le t the vehicle coast
whenever possible -for examp le when you see
that the next t raff ic light is re d.
Avoid full throttle
Driving at moderate speeds saves fuel and
improves your mileage.
.,. Try and keep well below your car 's maximum
speed.
Acce le rat ing gently reduces fue l cons ump­
tion, eng ine wear, and does not disturb the
environment.
Fuel consumpt ion, exhaust emiss ions and e n­
gine noise inc rease disproport ionately at high
speeds . If you driv e at app rox imately th ree
quarte rs of top speed, fuel consumption w ill
be reduced by one ha lf. Never d rive fas ter
t han the pos ted speed limi t and weathe r con­
ditions pe rmit.
•
•

208 Driving and environment
Reducing unnecessary idling
Even when your car is just idling it burns up
fuel.
.,. Shut the engine off when you are not driving
the vehicle.
.,. Do not warm up the vehicle by letting the
engine run at idle .
The idling phase is automatically reduced for
vehicles with the Start-Stop -System* . It is ef­
fic ient to sw itch
off the eng ine in vehicles
without the Start-Stop-System* when stopped
at railroad crossings and long red lights. Turn­
ing the eng ine
off for just 30-40 seconds
saves more fuel than is burned by sta rting the
engine again .
It takes a long time for the engine to wa rm up
fu lly when it is running at idle. However , wear
and nox ious emissions are especially high
when the engine is warming up. So you should
drive away as soon as you start the engine and
avoid running at high rpms while the engine is
still warming up.
(D Note
Do not leave engine idling unattended af­
ter starting. If warning lights should come
on to indicate improper operation, they
would go unheeded. Extended idling also
produces heat, which could resu lt in over­
heat ing or other damage to the vehicle or
other property .
Regular maintenance
A badly tuned engine unnecessarily wastes a
lot of fuel .
.,. Have your vehicle serviced at regular inter-
vals.
By having your vehicle regularly serviced by an
author ized Audi dealer helps to ensure that it
runs properly and economically . The condition
of your vehicle not only affects its safety and
ab ility to hold its value, it also affects
fuel
consumption. Check
your oil each time you fill your tank.
The amount of oi l used is re lated to engine
load and speed.
It is normal for the oil consumption of a new
engine to reach its lowest value after a certa in
mileage has been driven .
You must drive your veh icle about 3,000 mi les
(5,000 kilometers) before you can properly
assess oil consumpt ion.
This also app lies to fuel consumption and en­
gine output .
(0 Note
- Have your veh icle ma inta ined properly
and in accordance with the service rec­
ommendations in your Warranty
& Ma in­
tenance booklet. Lack of proper ma inte­
nance as well as improper use of the ve­
hicle will impair the function of the
em iss ion control system and could lead
t o damage.
- Do not alter or remove any component of
the Emission Control System unless ap­
proved by the manufacturer.
- Do not alter or remove any device, such
as heat shie lds , switches, ignition wires,
valves, which are designed to protect
your vehicle's Emission Control System
and other important vehicle compo­
nents.
' Fewer short trips
Fuel consumption will always be relatively
high on short trips.
... Try to avoid driving sho rt distances w it h a
cold engine .
T he eng ine and catalytic converter have to
reach their optimal
operating temperature to
reduce fuel consumpt ion and nox ious emis­
sions effectively.
Jus t after starting, a cold engine in a mid-s ize
car only achieves a fuel economy of 6-8 mi les
per gallon (30 -40 l/100 km). After about a
half a mile, fuel economy climbs to 12 mpg .,..

210 Driving o ff road
Driving off road
Driving in difficult road
conditions and offroad
General information
The operation of the E lectronic Stabilization
Control (ESC) is expanded for operation away
from paved roads. In situations where slip or a
d ifferential locking function is required, the
offroad mode can be activated
c::;, page 197.
Your Audi also has permanent all -wheel drive
in addit ion.
However, your Aud i is not a pure offroad vehi­
cle . It was not built for driving under extreme
conditions , e.g . for trips that are in the nature
of an expedition .
D riv e only on roads and off road sections
which match the design of your vehicle and
your abil ities a s a driver . Never take ri sks!
Before driving offro ad
- Check the engine oi l level, tire press ure,
coolant leve l, and the fluid level in the w ind­
shield washer reservo ir.
- Stow luggage items and other objects in the
l uggage compartment, and secure them
against slid ing around .
After driving offroad
- After trips offroad, remove any twigs and other foreign objects from the grill, the un­
derbody and the wheels. Pay specia l atten ­
t ion to fore ign ob jects (stones) which have
become lodged in the tire tread.
- Clean the body and the vehicle unders ide,
and inspect the veh icle for possible damage.
- Clean dirty w indows, headlamp lenses, rear
li ghts, and license plates .
- Perform a brake check (part icu larly after
trave lling through water) .
A WARNING
- Drive especially attentively and plan
ahead in difficult road conditions and
w hen offroad . Excess ive speed or incor-
-
rect mane uvers can cause injuries and
damage to the vehicle.
- Always adapt your speed and driving
style to road, offroad, traff ic, and weath­
er cond itions. Drive especially slowly off­
road when your v iew is restricted.
- Please be aware that in offroad mode,
particularly on a smooth and slippery
road , the whee ls may have an increased
tendency to sp in and the vehicle may
b reak away- dange r of skiddi ng!
- Stability is limited in the offroad mode .
® For the sake of the environment
Avoid damage to the environment and re­
spect nature.
(D Tips
Only drive w here it is permitte d and stay
on marked roads and paths.
Explanation of some technical terms
The following data refer to ideal cond it ions .
Depend ing on veh icle load and ground condi­
t ions and the environment, the numbers may
vary. It is the d river 's responsib ility to d ecide
whethe r a ve hicl e can overcome a spe cific s it­
u ati on
c::;, ,&. .
Gradient angle
The number of meters in alt itude ga ined over
a di sta nce of 109 .4 yards or 100 mete rs
(grade) a re given as a pe rcentage o r degrees .
Info rmation abou t the gra dien t the veh icle
c an climb under i ts own power (depends in
part on t he road surfa ce and engine power).
Maximum pe rm itted gra de : 3 1
°
Lateral angle (slope of vehicle)
Ind icates the angle up to which the vehicle
can be d riven diagona lly or a cross the fall line
o n a s lope wi tho ut the vehicle tip ping over
s ideways (depends on center of gravity) . Maxi -
mum pe rmitted lateral angle: 25°
Ill-

212 Driving o ff road
- Vehicle components such as the engine,
transmission, suspension or e lectr ica l
system can be severe ly damaged by driv­
i ng through water .
- Always switch off the Start-Stop-System*
when driving through water
c:> page 93.
@ Tips
-Check the depth of the water before driv­
i ng through it.
- Do not stop the vehicle, drive in reverse
or switch the engine off when driving
through water.
- Keep in mind that oncoming vehicles
may create waves that raise the water
level and make it too deep for your vehi­
cle to drive through safely.
- Avoid driving through salt water because
i t can cause corrosion.

214 Trailer towing
Operating instructions
6"
i ~
I 1,2 ..
{ ~
~
,,
-
2
Fig. 189 Pe rmi tted ball posit ion of the tra iler h itch
T ra ile r tow ing weight s
With a factor y-insta lled or an afte rm arket
trailer h itch, the max imum permissib le trailer
weight is 4,400 lbs (2,000 kg). The maximum perm iss ible unbraked trailer weight is 1,650
lbs (750 kg). These spec ifications apply when
driving on roads hav ing an incl ine of less than
12%.
P erm is s ible tongue load
For best vehicle handling under these
changed condit ions, adjust the trailer load so
that the tongue load is at the maximum al­
l owable or slightly lower . You can get an ap­
p rox imation of the tongue load w ith a bath­
room scale or you can measure the load at a
tr ucking company or weighing sta tion.
W ith a
fact ory -in stall ed or an aftermarket
trailer h itch, the max imum pe rm issible load
on the ball hitch may not exceed 440 lbs (200 kg).
It is recommended to use the maxi­
mum permissible load .
Trailer lo ad distribut ion
Be sure the load in the trai ler is held securely
in place to prevent it from shifting fo rward,
backward or s ideways.
N eve r allow a p assenger to rid e in a trail er
¢ .&. in Driving instructions on page 215.
Ball mount
The trailer hitch may only be used with su ita­
ble ball mount and ball¢
fig. 189. Installa­
tion of the hitch ball must be carr ied out in ac- cordance with the manufacturer's instruc­
tions.
Eng ine cooling system
T owing a t railer makes the engine work hard­
er . It is important that the cooling system's
performance is up to the additional load .
Make sure that the cooling system has enough
fluid.
Tire pressur e
When towing a trailer, inflate the tires of your
vehicle to the cold tire pressu re listed under
" F u ll load" on the tire pressure label. The tire
pressure label is located on the driver's side B·
pillar. Inflate trailer tires to trailer and tire
manufacturers' spec ificat ions.
Lights
T he headlight settings shou ld be checked wi th
the trai ler attached before driving off . Check
to make sure both vehicle and trailer lights
are working properly.
Safety chains
Be sure trailer safety chains are properly con­
nected from the tra iler to the hitch on the ve­
hicle . Leave enough slack in the chains to per­
mit turning corners . When you install safety
chains, make sure they will not drag on the
road when you are driving.
T he chains should cross under the trailer
tongue to prevent it from dropping in case of separation from the hitch .
Driving instructions
Driving with a trailer always requires extra
core and consideration.
T o obtain the best possible handling of vehicle
and t railer, please note the fo llowing :
.,. Do not tow a loaded t railer when you r ca r it­
self is not loaded .
.. Be especially caref ul when passing ot her
vehicles.
.. Observe speed limits.

~ Do not drive at the maximum permissible
speed.
~ Always apply brakes early.
~ Monitor the temperature gauge.
Weight distribution
Towing a loaded tra iler with an empty ca r re­
sults in a high ly unstable distribution of
weight. If this cannot be avoided, drive at very low speeds only to avoid the risk of losing
steering control.
A "balanced" rig is easier to operate and con ­
trol. This means that the tow vehicle should
be loaded to the extent possible and permiss i­
ble, while keeping the trailer as light as possi­
ble under the circumstances. Whenever possi­
ble, transfer some cargo to the luggage com ­
partment of the tow vehicle wh ile observing
tongue load requirements and vehicle loading
considerations .
Speed
The higher the speed, the more difficult it be­
comes for the driver to control the rig . Do not
drive at the maximum permissible speed. Re­
duce your speed even more if load, weather or
wind conditions are unfavorable -part icularly
when going downhill.
Reduce vehicle speed
immediately if the trail­
er shows the slightest sign of swaying.
Do not
try to stop the swaying by accelerating.
Observe speed limits. In some areas, speeds
for veh icles towing trailers are lower than for
regular vehicles.
Always apply brakes early . When driving
downhill, shift into a lower gear to use the en ­
g ine braking effect to slow the vehicle . Use of
the brakes alone can cause them to ove rheat
and fail.
Coolant temperature
T he coolant temperature gauge c:> page 10
must be observed carefully . If the needle
moves close to the upper end of the scale, re­
duce speed immed iate ly and/or turn off the
air cond itioner.
Trailertowin g 215
If the coolant temperature warning light in
the instr ument cluster starts flashing., pull
off the road, stop and let the engine
idle for
about two minutes to prevent heat build -up.
A WARNING
Anyone not properly restrained in a mov­
ing vehicle is at a much greater risk in an
accident. Never let anyone ride in your car
who is not properly wearing the restraints
prov ided by Audi .
Trailer towing tips
Important to know
Your vehicle handles differently when towing
-
a trailer because of the additional weight and
different weight distr ibut ion. Safety, perform­
ance and economy will greatly depend on how
carefully you load your trailer and operate
your rig.
Before you actually tow your tra iler, practice
turning, stopping and backing up in an area
away from traffic. Keep practicing until you
have become completely familiar w ith the way
your vehicle-tra ile r combination behaves and
responds.
Backing up is difficult and requires practice .
Backing up with a trailer generally requires
steering action opposite to that when backing
u p you r vehicle without a trailer.
Maintain a greater d ista nce between your ve­
hicle and the one in front of you. You w ill need
more room to stop. To compensate fo r the
trailer, you w ill need a larger than normal
turning radius.
When passing, remember that you cannot ac­
celerate as fast as you normally would be­
cause of the added load. Make sure yo u have
enough room to pass. After passing, a llow
plenty of room for your trailer before chang­
ing lanes again.
Avoid jerky starts , sharp t urns or rapid lane
changes.
•
•

222 Fuel supply and filling your fuel tank
Fuel supply and filling
your fuel tank
Fuel supply
Gasoline
Appl ies to vehicles: with gasoline engine
Using the right fuel helps keep the environ­
ment clean and prevents engine damage .
Fuel recommendation
The fuel recommended for yo ur vehicle is un ­
lead ed premium
grade gasolin e. Audi recom­
mends us ing TO P TI ER D ete rgent Gaso line
wi th a m inimum octane ra ting of 91 A KI ( 95
RO N). For more inform ation o n TOP TIER De­
tergent Gasoline, p lease go to the off icia l
websi te (www. topt iergas .com) .
T he re commended gasoline octa ne rating for
your engine can also be fo und o n a label loc at­
ed on the ins ide of the fue l filler flap . This ra t­
in g may be specified as AK I or RO N.
Your veh icle may also be operated u sing un­
l eaded regular g asoline with a minimum oc ­
tane rating of 87 AKI/91 RO N. Howeve r, using
87 AKI/91 RON octa ne fue l wi ll slightly re ­
d uce eng ine perfo rmance .
Use unleaded ga soline only. Unleaded g aso­
li ne is available th rougho ut the USA, Canada,
a nd i n most E uro pean countries . We recom ­
mend that you do not ta ke yo ur vehicle to
areas or countries where unleaded gasoline
may not be ava ilable.
F or mo re informat io n on refue ling your ve hi­
cle, see~
page 225.
Octane rating
Octane rating ind icates a gaso line's ability to
r es ist engine dam ag in g "kno ck" cau sed b y
premature ign ition and detona tion. Therefore,
b uy ing the correct grade of gaso line is very
important to he lp prevent possible engine
damage and a loss o f engine performance.
G asoline mos t commonly used in the Unite d
States and Canada has the following octane r
atings t hat can usu a lly be found on the fi ller
pump:
- Premium Gr ade: 91 -9 6 A KI
- Regular Grade : 87 -90 AKI
Explanation of the abbreviations:
AKI = Anti Knock In d ex = (R+M) /2 = (RO N
+ MON)/2
R ON= Resea rch Octane Number
MON = Motor Octane Num ber.
(D Note
- Do not use a ny fue l w it h octane rat ings
lower tha n 87 A KI or 91 RO N othe rwise
e xpensive engine damage w ill occur.
- Do
not use leaded gasoline. The use of
leaded gasoline w ill severely damage
yo ur v ehicl e's cata lytic co nve rter a nd its
ability to co ntrol exha ust em issions .
Blended gasoline
Applies to vehicles: with gasoline engine
Use of gasoline containing alcohol or
MTBE (methyl tertiary butyl ether )
You may use unleaded g asoline blende d wi th
alcohol o r MTBE (commonly referred to as
oxygenates) if the blende d mixture meets t he
f o llow ing criteria:
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
- Anti -kno ck index must be 87 A KI or higher.
- Blend must contain no more t han 3% meth-
anol.
- Blend must contain more than 2% co -sol -
vents.
Blend of gasoline and ethanol (grain alcohol
or ethyl alcohol)
- Anti -knock index must be 87 AKI or higher .
- Blend must not conta in mo re tha n 10%
ethanol.
- Ve hicl es w ith flex ible f uel * engine : blend
m ust not contain more t han 8S% ethano l.
Blend of gasoline and MTBE