'263419 Removing and installing
the tailpipe').
Figure 8

CAUTION
Heavy components
•

Risk of pinching



Wear personal protective gear.



Get someone to help if necessary.
1.4.3

2

Remove exhaust system WITHOUT removing tunnel strut (  Workshop Manual
'260119 Removing and installing exhaust system').

Replace engine noise control unit (  Workshop Manual '260519 Removing and installing control
unit for acoustic simulator')
2.1

Check whether there is a tie-wrap on the side tab on the engine noise control unit. Remove
the tie-wrap if necessary.

2.2

Disconnect plug connection for the standard engine noise control unit and remove engine
noise control unit with holder.

2.3

Remove standard engine noise control unit from control unit holder.

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2

Cayenne (9YA)
2601

ENU

2.4

Insert new engine noise control unit at the
underside in the control unit holder ( Figure
9 -A-).
1
2
3

3

Installation and Conversion Instructions

2/20

– Engine noise control unit
– Control unit holder.
– Locking/unlocking

Install new exhaust system

Figure 9
3.1

Install new center silencer with new clamping
sleeve (∅ 70 x 79) (  Workshop Manual
'260119 Removing and installing exhaust
system').
1
2
3
4
5
6
7
8
9

•

•
3.2

Clamping sleeve, ∅ 70 x 79
Center silencer holder, front left
Center silencer holder, front right
Center silencer
Center silencer retaining ring
Clamping sleeve, ∅ 65 x 88
Rear silencer (– PPF)
Sports tailpipes, Black chromeplated, left
– Sports tailpipes, Black chromeplated, right
Hexagon collar bolt, M10 x 30 (center
silencer holder): Tightening torque
Figure 11
49 Nm (36 ftlb.)
Clamping sleeve, ∅ 70 x 79: Tightening torque 30 Nm (22 ftlb.)

Install new rear silencer with a new clamping sleeve, ∅ 65 x 88 (2 x) (  Workshop Manual
'263355 Replacing rear silencer').
•
•

Mar 31, 2020
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–
–
–
–
–
–
–
–

Hexagon collar bolt, M8 x 25 (rear silencer holder): Tightening torque 23 Nm
Clamping sleeve, ∅ 65 x 88: Tightening torque 30 Nm

Tequipment

Installation and Conversion Instructions

Cayenne (9YA)
2/20

ENU

2601

3.3

Connect electric plug connections for servo motor for exhaust flap (left/right).

3.4

Install new sports tailpipes (silver or black)
and align them with the rear apron 
Installation and Conversion Instructions
'263400 (sports tailpipe, double inlet – silver
(0P3)/black (0P6)').
1
2
3
3.4.1

2

– Sports tailpipe – inner (right)
– Sports tailpipe – outer (right)
– Exhaust system cover (rear apron)
Check that the gap between the
new sports tailpipes and exhaust
system cover (rear apron – left and
right side of vehicle) is symmetric
and constant and adjust it if
necessary.

 Figure 12 -Z-: Control value 21
mm +/-1 mm

3.4.2

Figure 12
Check spacing of inner/outer
sports tailpipe (left and right side of vehicle) and make adjustments if necessary.

 Figure 12 -Za-: Control value 11 mm +/-1 mm
3.4.3

Tighten lens-head screw, M6 x 12 (underside of sports tailpipe cover).
Tightening torque 8 Nm (6 ftlb.) +/-1 Nm (+/-0.5 ftlb.)

4

Concluding work for vehicle underbody/engine compartment
4.1

Vehicle underbody area
4.1.1

4.2

Coding:

5

Install rear underbody cover and rear tunnel cover (  Workshop Manual '519419
Removing and installing cover for rear underbody').

Complete the plenum panel area.
4.2.1

Install cowl panel cover (  Workshop Manual '508719 Removing and installing
cowl panel cover')

4.2.2

Install front lid seal (  Workshop Manual '553319 Removing and installing front lid
seal').

4.2.3

Install wiper arms (  Workshop Manual '922519 Removing and installing wiper
arm').

4.2.4

Install windscreen moulding (  Workshop Manual '666119 Removing and
installing moulding for windscreen').

Coding/programming sports exhaust system - Silver (0P8)/Black (0P9)

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Cayenne (9YA)
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Installation and Conversion Instructions

2/20

NOTICE
Voltage drop
•

Risk of irreparable damage to control unit

•

Risk of damage to control unit

•

Fault entries in the control unit

•

Coding in the control unit is aborted

•

Malfunctions in control unit, even during programming



Switch off the ignition and remove the ignition key before disconnecting the control unit.



Ensure that the power supply is not interrupted during programming.



Connect a battery charger with a current rating of at least Nominal value 90 A to the vehicle
battery.
5.1

Preparatory work – Coding
NOTICE

Control unit programming will be aborted if the Internet connection is unstable.
•

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



During control unit programming, always connect PIWIS Tester III to the vehicle
communication module (VCI) via the USB cable.
5.1.1

9900 - PIWIS Tester 3 must be connected to the vehicle and switched on.

5.1.2

Switch on ignition AND hazard warning lights on the vehicle.
Information
The 9900 - PIWIS Tester III instructions take precedence since the description
may be different with later Tester releases.
The procedure described here has been structured in general terms; different text
or additions may appear on the 9900 - PIWIS Tester III.

Mar 31, 2020
Page 10 of 12

5.1.3

Select the "Diagnostics" menu item on the PIWIS Tester.

5.1.4

If 9900 - PIWIS Tester 3 is connected correctly, a connection to the vehicle will be
established: "Cayenne" model line is detected.

5.1.5

Press •F12“ to go to the control unit search screen.

5.1.6

Confirm the question: "Create vehicle analysis log (VAL)?" with "Yes" = •F12“.

Tequipment

Installation and Conversion Instructions
5.1.7

Cayenne (9YA)
2/20

ENU

2601

2

Select "KD-FAP" in the next menu item and press •F8“ to start.

Information
The function is ONLY available when the Tester is online!
5.2

Enter the new vehicle equipment in the vehicle data using "PIWIS Online"
5.2.1

Press •F7“ in the control unit overview to switch to the “Additional menu”.

5.2.2

Select the function "Maintenance of vehicle data with PIWIS ONLINE".
A message appears informing you that the "Actual" (vehicle) data and "Required"
(PIWIS Online) data will be compared.
Press •F12“ to continue.

5.2.3

Confirm the message "The vehicle data was compared with PIWIS Online.
Significant differences were found" with •F12“.

5.2.4

Look for the option "INTERIOR SOUND MEASURES (VW SILENCERS)" in the "Family"
column.
Select the option "2HB – INTERIOR SOUND MEASURES (SHAKER)" from the
drop-down menu in the "Value" column.

5.2.5

Look for the option "EXHAUST TAILPIPE" in the "Family" column.
Select "0P8 – SPORTS EXHAUST SYSTEM – STAINLESS-STEEL TAILPIPES" or "0P9
– SPORTS EXHAUST SYSTEM – BLACK TAILPIPES" from the drop-down menu in the
"Value" column, depending on the installed option.
Press •F12“ to continue.

5.2.6

A table containing the coding value and the columns "new value" and "old value" is
displayed in the overview. Press •F8“ to continue.

5.2.7

Data is then written/stored. The following messages appear one after the other:
•
•
•
•

5.3

Transferring vehicle data to PIWIS Online.
Writing and transferring vehicle data to the vehicle.
Vehicle order was written successfully.
A check was performed in order to check whether control units have to be
coded or programmed as a result of the changes that were made.

Code/program the new vehicle equipment.
5.3.1

Confirm the table containing a list of control units that must be coded/programmed
by pressing •F12“.

5.3.2

Individual data records will be loaded, depending on the number of control units to
be coded/programmed.

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Cayenne (9YA)
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Installation and Conversion Instructions

2/20

Wait until the message "Creating backup documentation. Please wait..." and
"Coding was completed successfully" appears. Press •F12“ to continue.
Repeat the process for other control units if necessary.
5.3.3

Wait until the message "Adaptation of the control units is complete." appears and
check the coding status of the control units in the table that is displayed.
Continue by pressing •F12“ to return to the control unit overview.

6

5.4

Read out the fault memories of all systems, work through any existing faults and erase the
fault memories.  Workshop Manual '0335IN Diagnostic maintenance: diagnostic system
and maintenance inter…'

5.5

Switch off ignition and disconnect 9900 - PIWIS Tester 3.

5.6

Drive the vehicle off the lifting platform.

Perform “Sports exhaust system” function test
6.1

Start the engine.

6.2

Activate/deactivate the sports exhaust system, depending on vehicle equipment, using the
following option:
•
•

6.3
26 01 31 30:

Porsche Communication Management: Select the menu "Car" → "Drive" → "Sports
exhaust system".
Porsche Communication Management: Select "SPORT" or "SPORT PLUS"

Switching off ignition

ONLY for vehicles WITHOUT Petrol Particulate Filter (–PPF):
–Sports exhaust system (1 x) retrofitted–
Includes:
Replacing engine noise control unit;
Replacing center and rear silencers;
Installing and aligning new sports tailpipes (4 ea.);
Coding sports exhaust system;
Reading out fault memory and correcting and deleting faults.
Without:
Test drive

Labor time: 285 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.

© 2020 Porsche Cars North America, Inc.

Mar 31, 2020
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