No. 95-23

Symptom-based workshop manual
Service
95/23
ENU
7287
7
Front Seat Symptom – Knocking/ Whining Noise from the Seat Frame when Adjusting the
Front Seat Fore and Aft (SY 95/23)
Model Line:
Cayenne (9YA / 9YB)
Model Year:
As of 2018 up to 2024
Equipment:
Driver memory package (M-no. 3L4) or
Electric seat adjustment for both front seats (M-no. 3L5) or
Electric seat adjustment for both front seats with memory (M-no. 3PN )
Concerns:
Front seat, left or right
Symptom:
Customers complain about a knocking or a loud whining noise from the area of the seat frame when
adjusting the fore and aft adjustment of either of the front seats.
For example, see: https://ppn.porsche.com/portal/docs/DOC-474217
Cause:
An adjustment motor that has snapped out of the seat or a too tightly installed front seat can cause this
noise.
Remedial
Action:
Check installation position of the adjustment motor on the affected front seat and, depending on the test
result, loosen the front seat if necessary.
Required parts, if needed
Parts Info:
Part No.
Designation
– Location of use
Number
N 91205201
 Cheese head bolt with multiple-tooth head
(instrument cluster)
- Seat rail
4 pieces
Additional required parts when replacing the seat frame:
95888110500
 Seat frame (until 06/27/2018)
– front left
1 piece
 Seat frame (from 06/28/2018)
– front left
1 piece
or
PAB881105A
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95/23
or
 Seat frame (until 06/27/2018)
– front right
1 piece
PAB881106A
 Seat frame (from 06/28/2018)
– front right
1 piece
PAF989236
 Countersunk screw
– Front belt buckle
1 piece
95888110600
or
Check installation position of front seat adjustment motor
Work Procedure: 1
2
Place the front seat affected in its highest position and move it backwards.
Check whether the front seat adjustment motor is
correctly locked in the seat by pushing down on the
top of the motor.  Front seat adjustment motor
mount
Front seat adjustment motor mount
Assessment
3
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Action
( )
Adjustment motor is locked in the seat. Continue with Step  3.
(✗)
Adjustment motor has jumped out of its Latch the adjustment motor in the holder, continue
with step  3.
seat.
Check whether knocking/whining noise is still perceptible when the front seat is adjusted fore and
aft.
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Symptom-based workshop manual
95/23
Assessment
ENU
7287
7
Action
( )
No knocking/whining noise
perceptible.
End of remedial action.
(✗)
Knocking/whining noise perceptible.
Continue with Step  4.
4
Loosen front seat and secure in accordance with Workshop Manual to eliminate possible tension in
the seat frame.
For instructions, see  Workshop Manual '720119 Removing and installing front seat'
5
Check whether knocking/whining noise is still perceptible when the front seat in question is adjusted
fore and aft.
Assessment
Action
( )
No knocking/whining noise
perceptible.
(✗)
Knocking/whining noise perceptible.
End of remedial action.
Replace front seat frame.
 Workshop Manual '720955 Replacing front seat
frame'
Labor position and PCSS encryption
Labor position:
I No.
APOS
Labor operation
72014909
Rework front seat (visual inspection)
72014910
Rework front seat (visual inspection and latching)
72014911
Rework front seat (visual inspection, loosening
and securing seat)
72014912
Rework front seat (visual inspection, latching,
loosening and securing seat)
72014913
Rework left front seat (visual inspection, replacing
seat frame)
72014914
Rework front right seat (visual inspection,
replacing seat frame)
PCSS encryption:
Location (FES5)
72870
Motor for seat adjustment
Damage type (SA4)
2015
knocks
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Symptom-based workshop manual
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.
© Porsche Cars North America, Inc.
Aug 16, 2023
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