Service

Technical Information

132/22 ENU

WNJ4

4

WNJ4 - Checking Threaded Joint for Strut and Replacing it if Necessary (Workshop
Campaign)
Model Line:

Taycan (Y1A/Y1B)

Model Year:

As of 2020 up to 2022

Concerns:

Strut

Information:

Due to a display error in the Parts Catalogue, there is a possibility that the wrong fastening
screw on the strut was used during a workshop visit.
If this is the case, the installation status does not meet the required specifications.

Action required: Checking threaded joint for strut and replacing it if necessary.
Information
Every vehicle is assigned all campaign scopes.
Depending on the result of the check, the following scopes may arise:
Scope 1: Checking threaded joint for strut
Scope 2: Checking and replacing threaded joint for strut, performing visual inspection of strut
Scope 3: Checking and replacing threaded joint for strut, performing visual inspection of strut and
replacing strut
Affected
Vehicles:

Only vehicles assigned to the campaign (see also PCSS Vehicle Information).

AfterSales

Oct 7, 2022
Page 1 of 5

4

Service
WNJ4

Technical Information

ENU 132/22

Installation
Position:

Installation position of strut

Parts required
Parts Info:

Part No.

Designation

Number

Parts required for checking the screws:
N 10261307

 Hexagon nut M10

2 pieces

Additional parts required for scope 2 and scope 3:
PAF106825

 Cheese head screw M8 x 50

4 pieces

Additional parts required only for scope 3:
V04015800CB

Oct 7, 2022
Page 2 of 5

 Dome strut firewall

AfterSales

1 piece

Service

Technical Information

132/22 ENU

WNJ4

4

Required tools:
Tools:

•
•

•
•

Torque wrench, 2-10 Nm (1.5-7.5 ftlb.), e.g. V.A.G 1783 - torque wrench, 2-10 Nm (1.5-7.5
ftlb.) or equivalent
Battery charger with a current rating of at least 90 A and - if required - also with a current and
voltage controlled charge map for lithium starter batteries, e.g. VAS 5908 90A battery
charger
9900 - PIWIS Tester 3
Suitable puller, e.g. VAS 6935 - pole terminal puller

Additional tools required for scope 2 and scope 3:
•

Torque wrench, 6-50 Nm (3.7-37 ftlb.) e.g. V.A.G 1331A - torque wrench, 6-50 Nm (3.7-37
ftlb.) or equivalent

Checking threaded joint for strut and replacing it if necessary
Work Procedure: 1

Check threaded joint for strut.
1.1

Remove cowl panel cover.  Workshop Manual '508719 Removing and installing cowl panel
cover'

1.2

Remove air inlet housing section. For instructions, see  Workshop Manual '408619
Removing and installing strut.'

1.3

Remove cover on strut. For instructions, see  Workshop Manual '408619 Removing and
installing strut.'

1.4

Check threaded joint for strut.  Checking
threaded joint for strut

Checking threaded joint for strut

AfterSales

Oct 7, 2022
Page 3 of 5

4

Service

Technical Information

ENU 132/22

WNJ4

Assessment

Action

Screws installed on the left and right are
OK.

( )

End of remedial action.
Continue with Step 3.
If visual damage is found during the visual inspection,
e.g. a compressed chamber of the strut, it must be
replaced. To do this continue with Step 2.

Screws installed on the left and right are
not OK.

(✗)

If no visual damage is found during the visual
inspection: New screws with the part number: Screw
in PAF106825 and tighten to the specified tightening
torque.
torque 20 Nm (14.8 ftlb.) Torque angle +90 °

 Workshop Manual '408619 Remove and install
strut'
Continue with Step 3.
2

Replace strut. For instructions, see  Workshop Manual '408619 Removing and installing strut.'

3

Install strut cover. For instructions, see  Workshop Manual '408619 Removing and installing strut.'

4

Install air inlet housing section. For instructions, see  Workshop Manual '408619 Removing and
installing strut.'

5

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

6

Enter the campaign in the Warranty and Maintenance booklet.

Warranty processing
Information
The specified labor times were determined specifically for carrying out this campaign and include all
required preliminary and rework.
The working times may differ from the working times published in the Labor Operation List in PCSS.
Scope 1:

Checking threaded joint for strut
Labor time:
Checking threaded joint for strut
Includes:
Removing and installing cowl panel cover
Required parts:

Oct 7, 2022
Page 4 of 5

AfterSales

Labor time: 93 TU

Service

Technical Information
N 10261307

132/22 ENU
Hexagon nut M10

WNJ4

4

2 pieces

 Damage code WNJ4 066 000 1
Scope 2:

Checking and replacing threaded joint for strut, performing visual inspection of strut
Labor time:
Labor time: 108 TU

Checking and replacing threaded joint for strut, performing visual
inspection of strut
Includes:
Removing and installing cowl panel cover
Required parts:
N 10261307

Hexagon nut M10

2 pieces

PAF106825

Cheese head screw M8 x 50

4 pieces

 Damage code WNJ4 66 000, repair code 2
Scope 3:

Checking and replacing threaded joint for strut, performing visual inspection of strut and
replacing strut
Labor time:
Labor time: 121 TU

Checking and replacing threaded joint for strut, performing visual
inspection of strut and replacing strut
Includes:
Removing and installing cowl panel cover
Required parts:
N 10261307

Hexagon nut M10

2 pieces

PAF106825

Cheese head screw M8 x 50

4 pieces

V04015800CB

Dome strut firewall

1 piece

 Damage code WNJ4 66 000, repair code 2

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.

© 2022 Porsche Cars North America, Inc.

AfterSales

Oct 7, 2022
Page 5 of 5