Service

Technical Information

34/26 ENU

6412

6

Windshield Water Ingress in the Area of the Front Overhead Console (34/26)
Model Line:

Macan (XAB)

Model Year:

As of 2024 up to 2026

Concerns:

Windshield

Information:

The customer complains about water ingress in the area of the front overhead console.

Cause:

In rare cases, a leak can occur due to faulty bonding of the windshield in the overhead console area.

Action:

If there is a customer complaint, check the bonding in the area of the front overhead console using a water
test or with a fog machine and rework the bonding of the windshield if necessary.

Required tools
Tools:

•
•
•

Disassembly wedges, e.g. VAS 895 015 - Disassembly wedges
Fog machine, commercially available or plastic bottle with an angled spray tube, commercially available
Workshop vacuum cleaner/vacuum cleaner, commercially available

Preparatory work
Work Procedure: 1
2

3

Remove the front overhead console.

⇒ Workshop Manual '708319 Removing and installing front overhead console (J528)'
Þ Top interior mirror cover -1-.
Remove top cover ⇒
2.1

Þ Top interior mirror cover
Unclip top cover ⇒
-1- downwards.

2.2

Þ Top interior mirror cover -1Pull top cover ⇒
Þ Top interior mirror cover
out of guide bolt ⇒
Þ Top interior mirror cover -Arrow A- .
-2-⇒

2.3

Þ Top interior mirror cover
Remove top cover ⇒
Þ Top interior mirror cover -Arrow B- .
-1-⇒

Remove windshield trim frame at the left and right.

⇒ Workshop Manual '666119 Removing and installing

windscreen trim frame'

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Top interior mirror cover

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Technical Information

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Hang workshop vacuum hose through rear door
window and seal with adhesive tape. ⇒ Rear door
window

Rear door window

Apr 22, 2026
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Service

Technical Information

34/26 ENU

6412

6

Checking bonding in the area of the front overhead console
Information
You will need a second mechanic to help you carry out the following handling steps.
•

Mechanic 1: Diagnostics within the vehicle

•

Mechanic 2: Diagnostics outside the vehicle

All doors and windows of the vehicle must be closed during testing/vacuum generation.
Work Procedure: 1
2

Start workshop vacuum cleaner to generate vacuum.
Test with fog machine: Blow in fog sideways via the upper corners of the windshield ⇒ Test with fog
-1-.

Test with fog

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3 Test with water: Fill water in the area ⇒ Test with water -1- behind the dust seal.
To do this, lift the dust seal slightly off the body using a plastic wedge and insert the water between the
dust seal and the body.

Test with water

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Service

Technical Information
4

34/26 ENU

6412

6

Check and evaluate bonding at the rivet points⇒ Bonding test area -1- in the front overhead console
area.
The test takes place through the opening of the overhead console. Lift roof trim panelslightly in the
windshield area if necessary.

Bonding test area

Assessment
( )

Þ Bonding test area -1- is no fog or water
There ⇒
ingress in the area of the riveting points on both
sides.

Action
Windshield bonding is OK.
•
•
•
•

Install windshield trim frame at the left
and right.
Install cover, top
Install front overhead console
Remove workshop vacuum cleaner
hose from rear door window and
remove adhesive residues

Continue troubleshooting elsewhere.
End of action.
✗)
(✗

Þ Bonding test area -1Fog or water ingress ⇒
is detected in the area of the riveting points.
⇒ Fog or water ingress on bonding

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Windshield bonding is not OK.
Continue with:

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⇒ Technical Information '666119
Reworking windscreen bonding'

Fog or water ingress on bonding

Reworking windshield bonding
Work Procedure: 1
2

Remove windshield, but do not cut back residual adhesive material yet.

⇒ Workshop Manual '641219 Removing and installing windscreen'

Check residual adhesive material on the windshield and body and ensure that there is full-surface
adhesion to the windshield and body.
If this is not the case, remove loose residual adhesive material in accordance with the repair instructions.
Information
The residual adhesive material helps the new window adhesive to stick.

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Technical Information

34/26 ENU

6412

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It must be ensured that there is a full bond between the
residual adhesive material and the windshield or body.

Windshield adhesion is not OK
Carry out a water sample if necessary.
3

Prepare Porsche 2-component window adhesive for
processing.
Before installing the windshield, cut back the residual
adhesive material on the body and windshield in
accordance with the repair specifications.
⇒ Workshop Manual '6X70IN Working with Porsche
2-component window adhesive Information'

4

Installing windshield.
Apply a slightly increased amount of window adhesive
Þ Affected rivets in front
in the area of the two rivets ⇒
overhead console area -1-if they have not already been
pre-treated with window adhesive.
⇒ Workshop Manual '641219 Removing and installing
windscreen'
Body adhesion is not OK

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Affected rivets in front overhead console area
5
6
7
8

Install windshield trim frame at the left and right.

⇒ Workshop Manual '666119 Removing and installing windscreen trim frame'
Install top cover.
For work procedure, see: ⇒ Workshop Manual '682719 Removing and installing interior mirror'
Install front overhead console.

⇒ Workshop Manual '708319 Removing and installing front overhead console (J528)'
Remove workshop vacuum cleaner hose from rear door window and remove adhesive residues.

Labor position and PCSS encryption
Labor position:
APOS

Labor operation

64120140

Check windshield

64124940

Checking and reworking bonding of windshield

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I No.

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Service

Technical Information

34/26 ENU

6412

6

PCSS encryption:
Location (FES5)

64120

windshield

Damage type (SA4)

5011

water leak

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.

© 2026 Porsche Cars North America, Inc.

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