122-R2H3S-09

Service
Technical Information
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WJ38
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WJ38 - Checking Presence of Front Covers (Fins) and Removing if Necessary (Workshop
Campaign)
Vehicle Type:
911 GT3 (991)
Model Year:
2018
Equipment:
Touring package (I-no. 039)
Subject:
Front covers (fins)
Information:
Due to an allocation error in the parts list, the affected vehicles with the optional Touring
package (I-no. 039) were supplied with front covers (fins) and these were fitted in the front
wheel housing during the sales check although the covers were not intended for this optional
equipment.
Installation of the covers can cause a slight change in GT3 Touring-specific vehicle handling.
Remedial
Action:
To ensure customer satisfaction and standardize the standard version, the following steps must be
carried out:
•
•
•
Affected
Vehicles:
Checking presence of front covers (fins) and removing if necessary
Replacing both front wheel housing liners (rear part) (only if required)
Replacing front underbody cover (only if required)
Only the vehicles assigned to the campaign (see also PIWIS Vehicle information). This campaign affects 8
vehicles in North America.
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Installation
position:
Installation position of front cover (fins)
Parts required
Parts Info:
Please Note: Parts for this campaign can be ordered as normal with no PTEC/PAV required.
No parts are required for checking the front covers (Scope 1).
Required parts and materials if the front covers are present and have to be removed (Scope 2):
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Part No.
Designation
Qty.
99150450306
 Front wheel housing liner - rear part, left
1 ea.
(only if required)
99150450403
 Front wheel housing liner - rear part, right
1 ea.
(only if required)
99150460107
 Front cover
1 ea.
(only if required)
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Technical Information
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WJ38
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Required tools
Tools:
•
Torque wrench, 1.5 – 3 Nm (1 - 2 ftlb.), e.g. VAS 6494 - Torque screwdriver
Checking for presence of front covers (fins)
Work Procedure: 1
2
Turn the steering fully to the right.
Check whether the fins are attached in the underbody
area in the left and right wheel housing.
•
•
3
Fin is not fitted: The vehicle complies with
specifications. End of action required.
Continue with Step 3.
Fin is fitted: The vehicle does not comply with
specifications. The fins must be removed. To
do this, continue with  Technical Information
'Removing front covers (fin)'
Enter the campaign in the Warranty and Maintenance
booklet.
Checking fins
Removing front covers (fins)
Work Procedure: 1
Raise the vehicle on a lifting platform  Workshop Manual '4X00IN01 Lifting the vehicle'.
2
Turn the steering fully to the right.
3
On the left-hand side of the vehicle in direction
of travel, unscrew the side fastening screws 
Removing fin -1- for the fin.
Removing fin
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4
Unscrew lower fastening screws  Removing fin -1for the fin.
5
Remove the fin and dispose of it.
6
Turn the steering fully to the left and repeat steps 3 to
5 on the right-hand side of the vehicle.
7
Remove front wheel housing liner (rear part) at
the left and right and replace them with new wheel
housing liners (without holes)  Workshop Manual
'50561925 Removing and installing front wheel
housing liner (rear part)'.
Removing fin
Part No.
Designation
Qty.
99150450306
Front wheel housing liner - rear part,
left
1 ea.
99150450403
Front wheel housing liner - rear part,
right
1 ea.
8
Remove cover for front underbody and replace it with a new cover (without holes)  Workshop
Manual '519219 Removing and installing cover for front underbody'.
Part No.
Designation
Qty.
99150460107
Front cover
1 ea.
9
Remove vehicle from the lifting platform  Workshop Manual '4X00IN01 Lifting the vehicle'.
10 Enter the campaign in the Warranty and Maintenance booklet.
Warranty processing
Scope 1:
Checking for presence of front covers (fins)
Working time:
Checking for presence of front covers (fins)
 Damage Code WJ38 066 000 1
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AfterSales
Labor time: 10 TU
Service
Technical Information
Scope 2:
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Checking for presence of front covers (fins) and removing
Working time:
Labor time: 76 TU
Checking for presence of front covers (fins) and removing
Includes:
Raising and lowering the vehicle on the lifting platform
Removing and installing cover for front underbody
Removing and installing front wheel housing liner (rear part)
at the left and right
Parts required:
99150450306
Front wheel housing liner - rear part, left
1 ea.
99150450403
Front wheel housing liner - rear part, right
1 ea.
99150460107
Front cover
1 ea.
 Damage Code WJ38 066 000 1
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.
© 2018 Porsche Cars North America, Inc.
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