3.2

Vehicles with roof rails
1
2
X
3.2.1

– Front bar/seam dimension
– Rear bar/seam dimension
– Control dimension approx. 800 mm
Loosen front/rear bar, check gaps
with respect to the seam and make
adjustments if necessary ( Roof
rail bars on the Cayenne (9PA)).
•
•

3.2.2
3.2.3

4

Quertraverse vorn: Control
value 25 mm +/-2 mm
Quertraverse hinten:
Control value 150 mm +/-2
mm

Bolt both bars securely to the roof
rails.

Roof rail bars on the Cayenne (9PA)
Decide which side (driver’s or
passenger’s side) you want to fit the add-on modules (roof box, bicycle rack, etc.)
on and close the caps on the opposite side.

Loosely pre-fitting roof box 320 on the roof transport system

WARNING
Improper loading and fitting of the roof transport system or add-on modules
•

Danger of objects falling down

•

Danger of objects sticking out



Load the roof transport system or add-on modules in such a way that the load does not project
over the sides of the roof area.



Select the distances between several add-on modules mounted next to each other so that the
transported items cannot bump against each other during the trip.



Secure load sufficiently to prevent it from shifting during the trip.



Check the roof transport system or add-on modules regularly before each trip and during an
extended trips to make sure they are seated correctly and securely on the vehicle.
CAUTION

Incorrect installation, use or care of the roof box
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Risk of damage to the roof of the vehicle, tailgate and/or roof box

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

Since the roof box is large, it should always be installed and removed from the roof transport
system by two people.



Open the roof box only if the opposite lock is locked.



Remove the roof box from the roof of the vehicle before washing the vehicle in an automatic
car wash.



Keep in mind the new overall vehicle height when driving through tunnels or under low
branches and when driving into parking garages and underpasses.



Clean the roof box using soapy water only (without alcohol, chlorine or ammonia additives);
other substances could attack and damage the surface.



Do not put stickers on the roof box. The adhesive film can dissolve the surface of the roof box
or cause tension cracks.



Occasionally spray the locks of the roof box with a commercially available spray lubricant. The
lubricant must not come into contact with the plastic surface of the roof box.



When opening the rear lid for the first time, ensure that there is sufficient space between the
rear lid and the installed roof box. Move the roof box forward in direction of travel if necessary.
4.1

Decide which side (driver's/passenger's side) you want to fit the roof box on.

4.2

Open the cap of the roof transport system
(front/rear) on this side ( Owner’s Manual,
section on 'Roof Transport System') and fit
roof box 320 on the roof transport system
( Figure 4).
1
2

– Sliding block at T-bolt (M8 x 55)
– Groove on roof transport system
carrier

4.3

Check the position of the next sliding block
(T-bolt, M8 x 55) with respect to the groove in
the roof transport system carrier and align it
as required ( Figure 4 -A-).

4.4

Guide sliding block (T-bolt, M8 x 55) with
roof box 320 into the groove on the carrier
(front/rear).
Figure 4
Information
When fitting the roof box, make sure there is enough space between the floor of the roof box
and the roof of the vehicle/upper edge of the roof rails ( Fig. 4 -B-)! Re-position the roof
box on the carrier bars if necessary.

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4.5

Carefully push roof box 320 at front and rear to the centre of the vehicle until the last two
sliding blocks are touching the groove in the roof transport system carrier.

4.6

Adjust the position of the last two sliding blocks (T-bolt, M8 x 55) with respect to the groove
in the roof transport system by moving them forward or back.
Push roof box 320 evenly towards the center of the vehicle.

4.7

Push roof box 320 forward as far as possible.

4.8

Align roof box 320 with respect to the roof transport system and the vehicle.
4.8.1

Sideways, with respect to the longitudinal axis of the vehicle ( Figure
5):
•

Roof box 320, fitted by itself:
Symmetrical with respect to
the center of the vehicle/roof
transport system

•

Roof box 320 and other carrier
systems (e.g. bicycle rack or
ski rack): Roof box 320 and
carrier systems, as well as the
load, must not hit against each
other during the trip.
Roof box 320 and other carrier
systems must NOT project
over the surface area of the
vehicle.

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Figure 5

Installation and Conversion Instructions
4.8.2

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Overhang to the front (windshield)
and rear (rear window/rear lid or
tailgate):
Y
X

– Imaginary line to the rain
sensor
– Gap to roof box 320/rear
lid or tailgate

The roof box 320 on the roof
transport system should overhang
by the same amount at the front
and rear. Please note the following
points:
•

•

4.8.3

Overhang to the front:
Imaginary line to the rain
sensor (if fitted near the top of
the windscreen) should not be
Figure 6
exceeded. The function of the
rain sensor can be restricted in some cases.
Overhang to the rear: Gap "X" must be maintained when the rear lid or tailgate
is open fully.

Carefully open the rear lid/tailgate of the vehicle and adjust gap "X" with respect to
the roof box 320 ( Figure 6).
ONLY for vehicles with (powerlift) tailgate/rear lid:
Set the opening angle (opening height) of the rear lid ( Owner's Manual,
'Adjusting the opening height of the tailgate' in section on 'Tailgate').

4.9

Open roof box 320 on alternate sides and tighten the four M8 butterfly nuts.
When doing this, make sure the pins (underside of clamping piece) are seated correctly in the
perforated strip (see Step 1.2).

4.10

Close the caps on the roof transport system.

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Loading roof box 320
1
2
3
5.1

– Tension strap
– Eyelets on the floor of the roof box 320
– Butterfly nut with clamping piece
Feed the tension strap through the eyelets on
the floor of the roof box 320.
Fit other tension straps in the same way, if
necessary.

5.2

Load roof box 320 and secure the load with
tension straps.

Figure 7

Information
Make sure there is enough space between the load (e.g. attachment point for skis) and the
floor and roof box lid. Re-position the load or skis in the roof box if necessary.
5.3

Carefully close the lid of the roof box 320.
Information
The key can be removed only if the roof box is locked.

5.4
6

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Lock roof box 320 by turning the key counter-clockwise and remove the key.

Removing roof box 320 from the roof transport system
6.1

Open roof box 320 and empty it completely.

6.2

Loosen the four M8 butterfly nuts slightly.

6.3

Open the side cap on the roof transport system (front/rear) on one side of the vehicle (
Owner’s Manual, section on 'Roof Transport System').

6.4

With the help of a second person, carefully pull roof box 320 sideways out of the carrier bars
and remove it from the vehicle.

6.5

Lock roof box 320, clean it if necessary (observe warning notes) and store it lying flat in a
suitable location.

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6.7

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Cleaning floor mats
6.6.1

Take the floor mats out of the roof
box 320.

6.6.2

Clean the floor mats with clean
water and leave them to dry.

6.6.3

Position floor mats in roof box 320
as shown in Figure 8.

Close the side cap on the roof transport
system (front/rear) ( Owner’s Manual,
section on 'Roof Transport System').

Figure 8

–Roof box 320 (1 x) installed–
Includes:
Unpacking roof box 320, reading instructions for use,
preparing roof box 320 for mounting and fitting roof box 320.

Labor time: 70 TU

Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.

©2019 Porsche Cars North America, Inc.

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