2002-2010 Porsche Cayenne SUV Trailer Hitch -> Trailer coupling with removable ball hitch User Manual
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Trailer Hitch -> Trailer coupling with removable ball hitch for Your Porsche Cayenne SUV First Generation (2002-2010)

Trailer coupling 245
Hitching trailer
f Always turn off the alarm system before you
attach a trailer. The inclination sensor could
trigger the alarm unintentionally.
Unhitching trailer
f Always turn the alarm system off before
uncoupling the trailer, otherwise the alarm will
be tripped when the plug is removed.
f If the trailer is equipped with an overrun brake,
do not unhitch the trailer when its brake is still
applied.
Trailer coupling with removable
ball hitch
The removable ball hitch is stored in the tool box
under the loadspace floor cover.
1. Open and prop up the loadspace floor cover.
For information on opening the loadspace
floor: Please observe the chapter “OPENING
LOADSPACE FLOOR” on Page 223.
2. Open Velco strap of the tool box.
3. Remove the top part of the tool box.
4. Take ball hitch out of the bottom part of the
tool box.
Warning!
Danger of injury and risk of damage by flying
ball hitch in an accident, during braking and
in the case of direction changes.
f Do not transport the ball hitch in the vehicle
unsecured.
f Transport the ball hitch only in the tool box.
Risk of damage to the locking mechanism of
the ball hitch, so that safe use of the trailer
coupling is no longer ensured.
f Never use auxiliary devices or tools to insert or
remove the ball hitch.
The ball hitch can be inserted and removed
using normal manual force.
Risk of accident if the ball hitch is not
properly locked.
f Use the trailer coupling only when it is locked
and the key has been withdrawn.
246 Trailer coupling
Notes on operation
f Do not modify or repair the ball hitch or
mounting tube.
f Consult a qualified specialist workshop if you
experience handling difficulties, notice
anything unusual or find any faults.
f Make sure that the ball hitch is properly locked
in place prior to every journey.
f When driving with a trailer, always lock the lock
and withdraw the key.
f Never unlock the ball hitch when a trailer is still
hitched to the vehicle.
f Always remove the ball hitch and stow it in the
tool box when driving without a trailer.
f Insert the plug into the mounting tube
whenever the ball hitch is removed.
f Important: before using the ball hitch for the
first time, write down the number embossed
on the key.
Note field for
key number .................................
Trailer coupling 247
Inserting ball hitch
The mount for the ball hitch and the socket are
located below the bumper.
A plug in the mounting tube protects it against
soiling.
Removing plug
f Pull plug A out of the mounting tube.
Store plug in the tool box.
f Before inserting the ball hitch, always check
the mounting tube for signs of soiling. In order
to ensure that the ball hitch locks securely, it is
very important to remove any dirt in the
mounting tube.
Preparing the ball hitch
Shank B, locking balls C and handwheel D must
not be soiled or damaged.
Ball hitch E must be pretensioned for insertion.
Checking whether the ball hitch is
pretensioned
– Key F must be in the lock, the arrow on the key
must point towards the “lock open” symbol
and the key cannot be withdrawn.
– The red marking G on the handwheel must
point towards the green area H on the ball
hitch.
248 Trailer coupling
– There must be a clearly visible space between
the handwheel and the ball hitch; the gap J
between handwheel and ball hitch must be
around 5 mm.
– It must be possible to press locking balls C
completely into the shank with their full
diameter.
If the ball hitch is not pretensioned, tension it
as described below:
f The ball hitch must be unlocked, i.e. the arrow
on the key must point to the “lock open”
symbol on the handwheel.
f Hold the ball hitch with your left hand.
Pull the handwheel out in arrow direction 1
with your right hand and then, with the
handwheel still pulled out, turn it in arrow
direction 2 until it engages.
The ball hitch has now been pretensioned.
If the ball hitch cannot be pretensioned, it must not
be used.
f Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Attaching ball hitch to the vehicle
When inserting ball hitch E, do not touch
handwheel D with your hand. When the ball hitch
locks into place, the handwheel rotates back
counter-clockwise and comes into contact with
the ball hitch again.
1. Insert tensioned ball head E into mounting tube
K in the direction of the arrow and push it up
firmly until the ball hitch snaps into place.
Trailer coupling 249
2. Turn key L counter-clockwise to lock the ball
hitch and then withdraw the key. Once the key
has been removed, it must not be possible to
pull the handwheel to the side.
3. Cover lock with cap M.
4. Store key in the tool box.
Safety check
You can use the following 4 points to check
whether the ball hitch was fitted properly.
Warning!
Risk of accident.
f Do not use the trailer coupling if at least one of
the 4 points below is not met.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
1. The green marking N on the handwheel must
coincide with the green area H on the ball
hitch.
2. The handwheel must be in contact with the ball
hitch.
3. After firmly shaking by hand, the ball hitch
must still be securely seated in the mounting
tube.
4. The key must have been withdrawn and cap M
must be in place.
Trailer socket
The socket is located to the left of the inserted ball
hitch.
250 Trailer coupling
Removing ball hitch
1. Uncap the lock.
Insert key and turn clockwise to unlock.
The arrow on the key must point to the “lock
open” symbol on the handwheel.
Warning!
Danger of injury by the heavy ball hitch.
f When removing the ball hitch, hold it in such a
way that your hand cannot be pressed onto the
road surface.
2. Hold ball hitch E with your left hand. Pull
handwheel D out in arrow direction 1 and
then, with the handwheel still pulled out, turn it
as far as it will go in arrow direction 2.
Hold handwheel in this position.
3. Remove ball hitch from the mounting tube in
arrow direction 3.
Release handwheel.
The ball hitch has now been tensioned and can
be stowed in the tool box in this state.
4. Always insert the plug into the mounting tube
to protect against soiling.
Tip on driving
The ball hitch must always be removed when
driving without a trailer.
Care instructions
The ball hitch and mounting tube must be kept
clean to ensure proper functioning.
Remove the ball hitch and insert the plug before
cleaning the vehicle with a high-pressure cleaner,
steam cleaner or similar device.
The ball hitch must not be cleaned with a high-
pressure cleaner, steam cleaner or similar device,
because this would wash out the lubricating
grease inside the ball hitch.

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