2008 AUDI TT ROADSTER Owners Manual

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& WARNING !continued)
• Before you check anything in the engine compartment, always
read and heed all WARNINGS~ page 212, "Engine compartment".
0 Note
• Applying a higher voltage booster battery will cause expensive
damage to sensitive electronic components, such as control units,
relays, radio, etc .
• There must be no electrical contact between the vehicles as
otherwise current could already start to flow as soon as the positive
(+) terminals are connected.
[ i) Tips
The discharged battery must be properly connected to the vehicle's
electrical system. •
Use of jumper cables
Make sure to connect the jumper cable clamps in exactly
the order described below!
Fig. 182 For jump
starting or charging
the battery, there is a
jump start connection
on the left side of the
engine compartment . Fig. 183 Jump
start
using the battery in
another vehicle: A -
Discharge, B-Female
socket
On vehicles with the 6-cylinder engine, instead of the
battery, on the left side of the engine compartment there is
a
Jump start connection=:> fig. 182. For jump starting, open
the cover on the positive terminal.
Preparatory measures
1. Do not jump start a frozen battery! Replace such a
battery!
2. Otherwise apply the hand brake and shift into idle gear if
your vehicle has manual transmission, and put the
selector lever into P position if your vehicle has auto ­
matic transmission.
3. For both vehicles switch off all consumers and the igni­
tion.
Connecting/disconnecting the jumper cable.
4. Connect one end of the red jumper cable to the positive
terminal
G) =:> fig. 183 in the external starting point@ of
your vehicle .
5. Connect the other end of the red jumper cable to the
positive terminal
® of the booster battery®·
Vehicle care Do-it-yourself service irechnical data

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6. Connect one end of the black jumper cable to the nega­
tive term inal
0 of t he booster bat tery @.
7. Connect the other end of the balck jumper cable to the negative terminal (bolt head)
G) in the external starting
point @ of your ve hic le.
8. Route the jumper cables so tha t they cannot catch in any
rotating parts in the engine compartment.
Starting the engin e
9. Start the engine of the vehicle providing assistance and
allow it to run at id le.
10 . Now start t he engine o f the ve hicle wit h the disc harged
battery, wa it for two to three minutes until t he engine
"runs" smoothly.
11 . If the engi ne does not start : Stop tryi ng after 10 seconds
and t hen try ag ain after abo ut 30 secon ds.
12. In the vehicle that has received start assistance, turn on
the heate r blower and the rear window heating to elimi­
nate any voltage pea ks when disconnecting. Driving
lights must be switched off!
1 3. Disconnect the cable while the engine is running exactly
in
reverse order to that described in=> page 279,
"Connecting/d isconnecting the jumper cable .". When
doing so, make sure t hat the cable cannot contact
rotating engine parts.
14 . Close the cover on the pos itive terminal.
The battery is vented to the outside to prevent gases from entering
the vehic le interior. Make sure that the jumper clamps are well
connected with their
metal parts in full contact with the battery
termina ls .
& WARNING
To a vo id se riou s pe rso nal in jur y a nd d am age t o the vehi cle, heed
all wa rnings and in stru ction s of th e jumper cable manuf acturer. If
i n doubt , call for r oad ser vic e.
• Jumper c able s mu st be long enough so that the vehicle s do not
t o uch .
• When connecting jumper cable s, make sur e th at they cannot
g et ca ught in any mo ving p arts in the eng ine comp artment .
• Bef ore you che ck anyth ing in the engin e comp artment , alway s
r ea d and heed all WARNING S=:,
page 21 2, "Engine c omp artment ".
0 Note
Improper hook -up of jumper cables can ruin the generator .
• Always connect POS ITIVE ( +l to POSITIVE(+), and NEGAT IVE( -) to
NEGAT IVE( -) ground post of the battery manager control unit .
• Check that al l screw plugs on the battery cells are screwed in
firm ly . I f not, tighten plugs prior to connecting clamp on negative
battery terminal.
• Please note that the procedure for connect ing a jumper cable as
described above applies specifical ly to the case of your vehicle
being jump started. When you are giving a jump start to another
vehicle, do
not connect the negative(-) cable to the negative 1- l
terminal on the discharged battery@. Instead, securely connect
the negative( -) cable to either a sol id metal component that is
firm ly bolted to the engine block or to the engine block itself . If the
battery that is being charged does not vent to the outside, escaping
battery gas could ignite and explode! •

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Emergency towing with commercial
tow truck
General hints
Your Audi requires special handling for towing.
The following information is to be used by commercial tow truck
operators who know how to operate their equipment safely.
• Never tow your Audi, towing will cause damage to the engine
and transmission.
• Never wrap the safety chains or winch cables around the brake
lines.
• To prevent unnecessary damage, your Audi must be transported
with a car carrier (flatbed truck).
• To load the vehicle on to the flat bed, use the towing loop found
in the vehicle tools and attach to the front or rear anchorage
=> page 281 and=> page 282.
& WARNING
A vehicle being towed is not safe for passengers. Never allow
anyone to ride in a vehicle being towed, for any reason. •
Front towing loop
Do not install the front towing loop until it is needed.
Fig. 184 Front
bumper: removing the
grill
Fig . 185 Front
bumper: screwing
in
the towing loop
The towline eye fits into the threaded hole located on the
right side of the front bumper behind the grill.
- Remove the screwdriver and towing loop from the
vehicle toolkit=>
page 262.
-Insert the screwdriver into the slot as shown and press
toward the center of the vehicle => fig. 184. At the same
time, pull the grill forward and out.
- Screw the towing loop tightly into the threaded hole as
far as it will go => fig. 185.
~
Vehicle care Do-it-yourself service irechnical data

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When it is no longer needed, unscrew the towline eye and put it
back into the on -board toolkit. Make sure to have the towline eye
stored in the vehicle at all times.
When installing the grill for the air duct, be sure that the tabs on the grill are first inserted into their guides on the vehicle. Then push the
grill into position.
& WARNING
If the towing loop is not screwed in as far as it will go, the thread
can pull out when the vehicle is towed -potential risk of an
accident. •
Rear towing loop
Do not install the rear towing loop until it is needed.
Fig. 186 Rear bumper :
screwing in the towing
loop
On the right side under the rear bumper there is a threaded
hole for the towing loop. The threaded hole is protected by
a cover.
Remove the towing loop from the vehicle toolkit
=:> page 262.
-Remove the cover. -
Screw the towing loop tightly into the threaded hole as
far as it will go.
When it is no longer needed, unscrew the towing loop and put it
back into the vehicle toolkit . Be sure to have the towing loop stored
in the vehicle at all times.
& WARNING
If the towing loop is not screwed in as far as it will go, the thread
can pull out when the vehicle is towed -potential risk of an
accident. •
Loading the vehicle onto a flatbed truck
Front hook up
Fig. 187 Vehicle on
flatbed truck
- Align the vehicle with the centerline of the car carrier
ramp.
- Attach the winch hook to the front towline eye previously
installed. .,,_

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Rear hook up
- Align the vehicle with the centerline of the car carrier
ramp.
- Attach the winch hook to the rear towline eye previously
insta lled.
[ i] Tips
Check carefully to make sure the hook-up is secure before moving
the car up the flatbed truck ramp. •
Lifting vehicle
Lifting with workshop hoist and with floor
jack
The vehicle may only be lifted at the lifting points illus­
trated.
Fig . 188 Rear lifting
point (right side)
- Read and heed WARNING =>& .
Fig. 189 Front lifting
point (right side)
-Locate lifting points=> fig. 188 => fig. 189.
- Adjust li fting arms of workshop hoist or floor jack to
match vehicle lifting points.
- Insert a rubber pad between the floor jack/workshop
hoist and the lifting points.
If you must lift your vehicle with a floor jack to work underneath, be
sure the vehicle is safely supported on stands intended for this
purpose.
Front lifting point
The lifting point is located on the floor pan reinforcement about at
the same level as the jack mounting point=> fig. 189.
Do not lift the
vehicle at the vertical sill reinforcement.
Rear lifting point
The lifting point is located on the vertical reinforcement of the lower
sill for the on board jack=> fig. 188.
Lifting with vehicle jack
Refer to => page 269.
Vehicle care Do-it-yourself service Technical data

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& WARNING
• To reduce the risk of serious injury and vehicle damage .
- Always lift the vehicle only at the special workshop hoist and
floor jack lift points illustrated
~ page 283, fig. 188 and
~ page 283, fig. 189.
- Failure to lift the vehicle at these points could cause the
vehicle to tilt or fall from a lift if there is a change in vehicle
weight distribution and balance. This might happen, for
example, when heavy components such as the engine block or
transmission are removed.
• When removing heavy components like these, anchor vehicle
to hoist or add corresponding weights to maintain the center of
gravity. Otherwise, the vehicle might tilt or slip off the hoist,
causing serious personal injury.
0 Note
• Be aware of the following points before lifting the vehicle:
- The vehicle should never be lifted or jacked up from under­
neath the engine oil pan, the transmission housing, the front or
rear axle or the body side members . This could lead to serious
damage.
- To avoid damage to the underbody or chassis frame, a rubber
pad must be inserted between the floor jack and the lift points.
- Before driving over a workshop hoist, check that the vehicle
weight does not exceed the permissible lifting capacity of the hoist .
- Before driving over a workshop hoist, ensure that there is sufficient clearance between the hoist and low parts of the
vehicle. •

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• Do-it -yourself service

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