2008 AUDI S8 service

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& WARNING
A vehicle being towed is not safe for passengers. Never allow
anyone to ride in a vehicle being towed, for any reason. •
Towing loops
When you screw in the towing loop, be sure to pay atten­
tion to the check markings.
Fig. 298 Check mark­
ings for towing loop
The check markings are there to show you when the towing loop is
completely and correctly screwed into the threaded holes.
When you screw the towing loop into the
front bumper, the check
marking @ must be flush with the
bumper~ fig. 300 .
When you screw the towing loop into the
rear bumper, the check
marking @ must be flush with the bumper
~ page 368, fig. 302. •
Front towing loop
Do not install the front towing loop until it is needed.
Fig. 299 Right front
bumper: Removing the
air intake grill
Fig. 300 Right front
bumper without grill:
Towing loop fully screwed in
On the right front under the bumper there is a threaded hole
to receive the towing loop. The threaded hole is concealed
behind an air intake grill.
- Insert the screwdriver into the slots as shown::::> fig. 299
and press the top tab down and the lower tab up. At the
same time, pull the grill forward and out.
- Remove the towing loop from the vehicle tool kit.
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Vehicle care Do-it-yourself service irechnical data

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Loading the vehicle onto a flat bed truck
Fron t hook up
Fig. 303 Ve hic le on flat
bed truck
-Align the vehicle with the centerline of the car carrier
ramp .
-Attach the winch hook to the front tow line eye previous ly
installed .
Rea r h ook up
-Align the vehicle with the centerline of the car carrier
ramp .
Attach the winch hook to the rear towline eye previous ly
installed.
[ i ] T ip s
Check carefully to make sure the hook -up is secure before moving
the car up the flatbed truck ramp.
•
Vehicle transport
Whenever you have your vehicle transported, be sure to
note the following:
0 Note
Mount the tie -down chains/cables over the running surface (circum ­
ference) of the tires. Never secure the vehic le by the axle, the
suspension struts or the front or rear towline eye. For technical
reasons, the pressure in the suspension struts may change during
the transport and this wil l adversely affect vehicle handling .•
Lifting vehicle
Lifting vvith workshop hoist and vvith floor
jack
The vehicle may only be lifted at the lifting points illus­
trated .
--1----------~ ~
'-l.=:==..;;;;===-4 i
Fig. 304 Fro nt l ift ing
point
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Vehicle care Do-it-yourself service irechnical data

Emergency situations IIJI
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•
-Before driving over a workshop hoist, ensure that there is
sufficient clearance between the hoist and low parts of the
vehicle. •
Do-it -yourself service

General information -
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vehicle identification number of your vehic le (perforation) as well as
th e G ross Veh icle Weight Ra ting (GVWR) an d the Gross A xle We ig ht
R ating (GAWRl .
The high voltage warning label is located on the lock carrier.
The spark ignition system complies with the Canadian
standard ICES-002 . •
Displaying Vehicle Identification
Number in MMI
Fig . 308 MMI di spl ay:
Vehicle ID number
!V IN}
You can also displa y th e Vehi cle Id ent ifi cati on Numbe r of
yo ur vehi cle in MM I.
- Press th e
( CARI fun ctio n bu tton.
- Selec t
Systems in the CA R me nu.
- Selec t
Vehicle ID number (VIN) . The Vehicle ID number
(VIN)
menu appea rs => fig. 3 08 . •
Controls and equip­
ment Safety first Vehicle operation
Weights
Gross Vehicle Weight Rating
The G ross Ve hicle W eig ht Rat ing (GVWR), a nd the Gross A xle W eight
Rating (GAWR) for front and rear are listed on a stic ker on the left
doo r jamb .
T he G ross Ve hicle We ig ht Rat ing includes t he weig ht o f the bas ic
vehic le plus full fue l tank, oil and coo lant, p lus maximum load,
w hi ch includes passe nge r we ight (1 50 lbs/68 kg per des ig nated
seat ing position) and luggage weight .
Gross Axle Weight Rating
The Gross Axle Weight Rating is the maximum load that can be ap plied at eac h axle o f th e
ve hicle~ &.
Vehicle capacity weight
The ve hicle capacity weig ht (m ax. load) is listed either on the
d river's side B -pillar or inside the fuel fi ller flap .
Roof weight
The max im um p erm issib le roo f weight i s 220 lb (100 kg ). The ro of
we ight is made up o f the we ight of the roof rack system and th e
we igh t of the o bjec t being
tr anspo rted ~ page 10 4, "Lo ad in g the
roo f rac k".
& WARNING
• The actual Gross Axle Weight Rating at the front and rear axles
should not exceed the permissible weights , and their combination
must not e xceed the Gross Vehicle Weight Rating .
• Exceeding permissible weight ratings can result in vehicle
damage , accidents and personal injury .
Vehicle care Do-it-yourself service Technical data

General information -
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Controls and equip­ment Safety first
Vehicle operation Vehicle care Do-it-yourself service Technical data

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App lies to veh ic les: w it h 12-cy linder eng ine and a ll whee l dr ive, lon g wheel base (LW B)
450 hp, 12-cylinder engine, with all wheel drive, long wheel base
En gin e data
Maximum output SAE net
Maximum torque SAE net
No. of cy linders
Displacement
Stroke Bore
Compression ratio Fuel
Dim ension s (appro x.)
Lengt h (wi th lice nce p late bracket)
Width (ac ross mirrors)
Height (unloaded)
Turning circle diameter (curb to cu rb)
Ca pac itie s (a pprox.>
Fuel tank
-Total capac ity
-Reserve (of total capacity)
Windshield and headlight washer fluid container
Engine oil
with fi lte r change hp@rpm
lb-ft@ rpm
CID (cm
3l
in (mm)
in (mm) 450@ 6200
428 @ 4000-4700
12 cy linder
366 (5998)
3 .55 (90 .2)
3 .3 1 (84 .0)
1 1.0 : 1
Premium unleaded (91 AKI! Recommended for maximum engine performance . Fur ­
t her
de tails => page 301, "Gasoline"
i n ( mm)
in (mm)
in (mm)
ft. (ml 20
4.4 (5192)
79.8 (2028)
57 .3 (1455)
41.7 (12 .7)
gal (liters)
gal (liters)
quarts (liters)
quarts (liters ) 2
3 .8 (90 .0)
2 .4 (9 .0)
5.1 ( 4.8)
13 .2 (1 2 .5)
•
Controls and equip­
ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data

___ C_ o_n_ s_ u_m _ e_ r_ ln_ f_
o _r _m _ a_ t_ i_o _n ______________________________________________ _
Consumer Information
Warranty coverages
Yo ur Au di i s cov ered b y the foll owing war ra ntie s:
• New Vehicle Limited Warranty
• Limited Warranty Against Corrosion Perforation
• Emissions Control System Warranty
• Emissions Performance Warranty
• California Emissions Control Warranty (USA vehicles only)
• California Emissions Performance Warranty (USA vehicles only)
Detailed information rega rding your warrant ies can be found in
your
W arr anty & Maint enan ce booklet .•
Operating your vehicle outside the
U.S.A. or Canada
Government regu lations in the United States and Canada require
t hat auto mobiles meet specif ic em ission regulations and safety
standards . Therefore, vehic les bui lt for the U .S .A . and Canada differ
from vehicles sold in ot her countries .
If you plan to take your vehic le outside the continental limits of the
United States or Canada, there is the possibi lity that
• unleaded fue ls for vehicles w ith cata lyt ic converter may not be
available;
• f uel m ay have a considerably lower octane rat ing . Improper fuel
may cause engine damage;
• service may be inadequate due to lack of proper service fac ilities,
tools or testing equipment;
• replacement parts may not be readi ly avai lable . •
Navigation systems for vehicles built for the U.S.A . and Canada
wil l not necessarily work in Europe, and may not work in other coun ­
tries outs ide North Amer ica.
0 Note
Aud i cann ot be responsible for mec hanica l damage that could
result from inadequate fuel, service or parts avai lability .•
Audi Service Repair Manuals and
Literature
Audi Officia l Factory Service Manuals ar e pub lished as soon as
possible after model introduction . Service manua ls a re availab le
from :
Audi Technical Literature Ordering Center
Call tol l-free:
Tel. : 1 (800) 544-802 1
(from 8 :00 AM to 8 :00 PM, EST, Monday through Friday)
or access their webs ite
www .audi .dd sltd .com on the Internet to
order repair manua ls and ot her Audi literature .•
Maintenance
General
You r ve hicle has been des igned to help keep mainte nance requ ire ­
ments to a minimum. However, a certain amount of regu lar mainte ­
n ance is sti ll necessary to assure yo ur veh ic le's safety, economy and
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re liabi lity . For detailed vehicle maintenance consult your Warranty &
Maintenance book le t.
Und er diff icult oper ating conditi ons, for example at extreme ly low
outside temperatures, in very dusty regions, when towing a trailer
very frequently, etc ., some serv ice work shou ld be performed
between the intervals specified. This applies particu lar ly to :
• oil changes, and
• cleaning or replacing the air filter.
c£> For the sake of the environment
By regularly maintaining your vehicle, you help make sure that emis ­
sion s tandards are maintained, thus minimizing adverse e ffec ts on
the environment. •
Important considerations for you and your
vehicle
The increasing use of electronics, sophisticated fue l injection and
emission contro l systems, and the genera lly increasing techn ica l
complexity of today's automobiles, have steadily reduced the scope
of maintenance and repairs which can be carr ied out by veh ic le
owners.
Also , safet y and env ironmental concerns p lace very strict
l im its on the nature of repairs a nd adjustmen ts t o engine and trans ­
mission parts which an owner can perform.
Maintenance, adjustments and repairs usually require special tools,
testing devices and other equipment availab le to spec ia lly trained
workshop personne l in order to assure proper performance, reli ­
abil ity and sa fety of the vehicle a nd its many systems.
I mproper maintenance, adjustments and repairs can impair the
operat ion a nd rel iabil ity of your vehicle and even vo id your vehicle
warranty. Therefore , proof of servicing in accordance with the main ­
t enance sched ule may be a cond ition fo r uphold ing a p ossi ble
warranty claim made within the warranty period.
Controls and equip­ ment Safety first Vehicle operation
Above all, operational safety can be adverse
ly affected, creating
unnecessary risks for you a nd yo ur passengers .
If in doubt about any servicing, have it done by your authorized Audi
dea ler or any other properly equipped and qualified workshop. We
strongly urge you to give your authorized Audi dea ler the opportu ­
nity to perform all scheduled maintenance and necessary repairs.
Your dealer has the fac ilities, origina l parts and trained spec ialists
to keep your vehic le running proper ly.
P e rforming limited maintenan ce yourself
The following pages describe a limited number of procedures which
ca n be performed on your vehicle with ord inary tools, should the
need arise and trained personne l be unavailab le. Before performing
any of these procedures, a lways t hor oughly read all o f the app li­
cable text and carefu lly fo llow the instruct ions given. Always rigor ­
ously observe t he
WARNINGS provided .
Before you che ck anything in the engine comp artment , alwa ys re ad
and heed all
WARNING S=> & and => & in "Working in the engine
compartment" on
page 307.
& WARNING
• Serious personal injury may occur a s a result of imprope rly
performed maintenance , adju stments or repair s.
• Always be e xtremely careful when working on the vehi cle .
Always follow commonly accepted safety practice s and general
c ommon sen se . Ne ver risk per sonal injur y.
• Do not attempt any of the maintenance , checks or repairs
de scribed on the following pages if you are not fully familiar with
these or other pro cedures with re spe ct to the vehicle , or are uncer ­
tain how to pro ceed .
• Do not do any work without the proper tools and equipment.
Have the ne ce ssary work done by your authorized Audi dealer or
another properly equipped and qualified workshop .
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Vehicle care Do-it-yourself service Technical data