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WB43

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WB43 - Replacing Transfer Case (Workshop Campaign)

Vehicle Type:

Cayenne (92A)

Model Year:

2011

Concerns:

Transfer case

Information:

This is to inform you of a voluntary Workshop Campaign on certain 2011 model year Cayenne S and
Cayenne Turbo vehicles. There is the possibility that transfer cases with defective clutch baskets may
have been installed on the affected vehicles. As a result, the transfer case can cause vibrations that are
unacceptable for the customer while driving. To remedy the situation, replace the transfer case

Affected
Vehicles:

The VIN(s) can be checked by using PIWIS Vehicle Information link to verify if the campaign affects the
vehicle. This Campaign is scope specific to the VIN! Failure to verify in PIWIS may result in an improper
repair.

Parts Info:

For the Cayenne with manual transmission, 92AAG7:
000.043.110.12

⇒ Transfer case

1 ea.

For the Cayenne with Tiptronic transmission, 92AAG1:
000.043.110.13

⇒ Transfer case

1 ea.

Also required for both models:
000.043.024.00

⇒ Lubricant, 80g tube

0.06 ea. (= 5 g)

WHT.003.211

⇒ 12 point socket, M10 x 50

10 ea.

N .107.419.01

⇒ Cheese head bolt, M8 x 25

2 ea.

N .105.167.02

⇒ Hexagon-head bolt, AM10 x 55

2 ea.

N .909.913.02

⇒ Hexagon-head bolt, AM10 x 80

4 ea.

958.111.220.20

⇒ Clamping sleeve

2 ea.

Replacing transfer gear
Work Procedure: 1

Raise the vehicle on a lifting platform ⇒ Workshop Manual ’4X00IN Lifting the vehicle’.

2

Remove the transfer gear ⇒ Workshop Manual ’396519 Removing and installing transfer gear’.

3

Install new transfer gear ⇒ Workshop Manual ’396519 Removing and installing transfer gear’.

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Remove the vehicle from the lifting platform.

Teaching transfer gear control unit
NOTICE
Coding will be aborted in the event of low voltage.
•

Increased current draw during diagnosis can cause a drop in voltage, which can result in one or more fault
entries and the abnormal termination of the coding process.

⇒

Before commencing work, connect a suitable battery charger with a current rating of at least 40 A to the
jump-start terminals in the engine compartment.
NOTICE

Control unit coding will be aborted if the vehicle key is not recognized
•

If the vehicle key is not recognized in vehicles with Porsche Entry & Drive, coding cannot be started or will
be interrupted.

⇒

Switch on the ignition using the original vehicle key. To do this, replace the control panel in the ignition
lock with the original vehicle key if necessary.
NOTICE

Coding will be aborted if the Internet connection is unstable.
•

An unstable Internet connection can interrupt communication between PIWIS Tester II and the vehicle
communication module (VCI). As a result, coding may be aborted.

⇒

During control unit programming, always connect PIWIS Tester II to the vehicle communication module
(VCI) via the USB cable.

Preliminary
work:

1 Connect a battery charger with a current rating of at least 40 A to the jump-start terminals in the
engine compartment.
2 Switch on ignition.
3 PIWIS Tester II 9818 with software version 10.200 (or higher) installed must be connected to the
vehicle communication module (VCI) via the USB cable. Then, connect the communication module
to the vehicle and switch on the PIWIS Tester.
4 On the PIWIS Tester start screen, call up the ⇒ ’Diagnostics’ menu and select vehicle type ⇒
’Cayenne’ ⇒ ’92A as of MY 2011’.
The diagnostic application is then started and the control unit selection screen is populated.

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Information
The procedure described here is based on the PIWIS Tester II software version 10.200.
The PIWIS Tester instructions take precedence and in the event of a discrepancy, these are the
instructions that must be followed.
A discrepancy may arise with later software versions for example.

Work
Procedure:

1

Select the ⇒ ’All-wheel’ control unit in the control
unit selection screen (⇒ ’Overview’ menu) and
press •>>“ to confirm your selection ⇒ Control
unit selection - All-wheel.

Control unit selection - All-wheel
2

When the question “Create Vehicle Analysis Log (VAL)?” appears, either press •F12“ to create a
VAL or press •F11“ if you do not want to create a VAL.

3

Press •>>“ to acknowledge the message informing you that campaigns for the vehicle are stored
in the PIWIS information system.

4

Select the ⇒ ’Maintenance/repairs’ menu.

5

Select the function ⇒ ’Control unit and transmission replacement (together)’ in the ⇒
’Maintenance/repairs’ menu and confirm your
selection by pressing •>>“ (⇒ All-wheel control
unit - Maintenance/repairs).

All-wheel control unit - Maintenance/repairs

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6

Start reading and writing the chassis number by pressing the •>>“ button.

7

The message ’Chassis number written
successfully’ appears.
Check the chassis number and correct it if
necessary ⇒ Checking chassis number.
Then press •>>“ to continue.

Checking chassis number
8

The message “Procedure ended successfully”
appears⇒ Procedure ended successfully.
Once coding is completed successfully, press
•>>“ to continue.

Procedure ended successfully
9

Select the ⇒ ’Overview’ menu and press •“ to confirm
⇒ Erasing fault memories.
The fault memories of the control units are read
out.

Erasing fault memories
3

Once you have read out the fault memories, erase the fault memory entries by pressing •F8“.

4

Press •F12“ (“Yes”) in response to the question as to whether you really want to erase all fault
memory entries.

The faults stored in the fault memories of the various control units are deleted.

Information
If the fault memories of individual control units cannot be erased, switch the ignition off and then on again
and erase the fault memories of these control units separately.
If control units are found to have faults which cannot be erased, these faults must be located and
corrected. This work cannot be invoiced under the workshop campaign number.
5

Once you have erased the fault memories, select
the ⇒ ’Overview’ menu and press •