3

2.3

– Front spoiler
– Embossing
– Pneumatic saw

2.2.1

Mark the impression using a
pen/marker ( Figure 10 -2-) if
necessary.

2.2.2

Use an air saw to cut out the cut-out
in the front spoiler ( Figure 10
-inset-).

Pull protective film off the edge of the skid
plate.

Figure 10
2.4

Install front spoiler on the skid plate ( Figure
11).
1
2

– Front spoiler
– Skid plate

Figure 11

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Installation and Conversion Instructions
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Secure stainless steel skid plate.
1
2

– Retaining lug
– Flat-nosed pliers

2.5.1

Bend the rear holders by 180° (
Figure 12 -arrow a-).

2.5.2

Press retaining lugs down by
approx. 30° ( Figure 12 -inset-).
Counter using flat-nosed pliers or a
similar tool.

Figure 12
2.6

Install the front spoiler on the front apron.
1
2

– Front spoiler
– Tab

2.6.1

Position the front spoiler in the gap
on the front apron with the help of
another mechanic ( Figure 13
-Arrows-).

2.6.2

Guide outer tabs into the front apron
( Figure 13).

2.6.3

Press front spoiler on evenly until
the clips lock securely.

Figure 13

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2.7

Installing rear panel
1
2
3

– Skid plate
– Front apron
– (Outer) tab

2.7.1

Position skid plate in the gap on the
front apron ( Figure 14 -Arrows-).
First guide the (outer) tab at the left
and right ( Figure 14 -3-) into the
front apron  Figure 14 -arrow b-.

2.7.2

Then press the skid plate into the
front apron from the outside in until
the inner tabs engage.
The (outer) tabs slide into their end
position ( Figure 14 -a-).
Figure 14

2.7.3

Install clamp ( Figure 15).
1

2.7.4

2.8

3

– Clip

Install license plate cover. 
Workshop Manual '668319
Removing and installing license
plate cover'

Pull the remaining protective film off the
skid plate and clean the skid plate with
isopropanol.
Figure 15

Concluding work.
3.1

Install front apron.  Workshop Manual '631519 Removing and installing front apron'

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.

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

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.

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.
3.2

Maintenance of vehicle data.
3.2.1

9900 - PIWIS Tester 3 must be connected before switching on the ignition.

3.2.2

Select the required vehicle type. PIWIS Tester II Diagnostics starts.

3.2.3

Select Additional menu by pressing •F7“. Press •F11“ to confirm the question
"Create vehicle analysis log (VAL)?".

3.2.4

Select the "Maintenance of vehicle data" function.
Press •F12“ until "PR numbers" appears in the Value group column.

3.2.5

Select "Bumper" in the Family column.

3.2.6

Open drop-down menu and select "2JC – Comfort bumper (front panel)". Press
•F12“ to continue.

3.2.7

A table containing the values to be changed appears.
Save the values by pressing •F8“.
Wait until "Generation of vehicle data is complete........" appears.

3.2.8

Press •F12“ to switch to Report management.
Open the log by pressing •F10“ and check whether vehicle equipment "2JC –
Comfort bumper (front trim)" is entered. Close the log.

3.3

3.2.9

Read out the fault memories of all systems, work through any existing faults
and erase the fault memories.  Workshop Manual '033500 Fault memory for
on-board diagnosis'

3.2.10

Switch off ignition and disconnect 9900 - PIWIS Tester 3.

Disconnect the battery charger.  Workshop Manual '2X00IN Battery trickle charging'

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Macan (95B)
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Installation and Conversion Instructions

Stainless steel skid plate installed
Includes:
Removing and installing front apron, removing and installing
front spoiler.

Labor time: 270 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 23, 2020
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