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WF23 - Removing Water Drain Valves On Air Cleaner Housing (Workshop Campaign)
Vehicle Type:
911 Turbo Cabriolet (991)/911 Turbo S Cabriolet (991)
Model Year:
2014
Concerns:
Water drain valves on air cleaner housing
Information:
This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. In certain
environmental conditions, e.g. during heavy rain, there is a possibility that water can get into
the air cleaner housing via the engine compartment lid on the affected vehicles. Depending on
how much water has leaked in, the water may not be able to drain away quickly enough through
the water drain valves provided for this purpose.
As a result, there is a possibility that the air cleaner will age prematurely because of the increased wet
and dry phases. This can cause reduced filter throughput and the customer may notice reduced engine
power as a result.
Action
Required:
Remove water drain valves on the air cleaner housing to guarantee that the water that has leaked in can
drain away fully.
Affected
Vehicles:
The VIN(s) can be checked by using PIWIS Vehicle Information link to verify if the campaign affects the
vehicle. This campaign is scope specific to the VIN! Failure to verify in PIWIS may result in an improper
repair. This campaign affects 336 vehicles in North America.
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.)
Torque wrench, 6 – 50 Nm (4.5 – 37 ftlb.), e.g. V.A.G 1331 - Torque wrench, 6-50 Nm (4.5-37
ftlb.)
Plastic wedge
Work
Procedure:
See Attachment “A”.
Claim
Submission:
See Attachment “B”.
Attachment "A": Work Procedure
1
Remove engine-compartment blower  Workshop Manual '198119 Removing and installing enginecompartment blower'.
2015© Porsche Cars North America, Inc.
AfterSales
Apr 21, 2015
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Remove tail lights  Workshop Manual '943119 Removing and installing tail light'.
3
Remove rear spoiler  Workshop Manual '665819 Removing and installing rear spoiler (Turbo)'.
4
Remove air cleaner housing  Workshop Manual '242519 Removing and installing air cleaner
housing'.
Information
The fastening pins  Fastening pins for water drain
valves -1- for the water drain valves  Fastening pins for
water drain valves -2- can break off and fall into the air
cleaner housing if the water drain valves are not pulled
off carefully.
If this happens, the air cleaner housing must be
opened and the broken fastening pins must be removed
from the air cleanerhousing.
Fastening pins for water drain valves
5
Remove all four water drain valves on the underside
of the air cleaner housing  Removing water drain
valves -top-.
To do this, pull each water drain valve  Removing
water drain valves -2- out carefully until the fastening
pin  Removing water drain valves -1- comes away
from the air cleaner housing.
6
Install air cleaner housing  Workshop Manual
'242519 Removing and installing air cleaner
housing'.
7
Install rear spoiler  Workshop Manual '665819
Removing and installing rear spoiler (Turbo)'.
8
Install tail lights  Workshop Manual '943119
Removing and installing tail light'.
9
Removing water drain valves
Install engine-compartment blower  Workshop
Manual '198119 Removing and installing engine-compartment blower'.
10 Enter the workshop campaign in the Warranty and Maintenance booklet.
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Attachment "B": Claim Submission - Workshop Campaign WF23
Warranty claims should be submitted via WWS/PQIS.
Open campaigns may be checked by using either the PIWIS Vehicle Information system or through PQIS
Job Creation.
Labor, parts, and sublet will be automatically inserted when Technician is selected in WWS/PQIS. If
necessary, the required part numbers will need to be manually entered into warranty system by the dealer
administrator.
Information
The specified working time was determined specifically for carrying out this campaign and may differ
from the working times published in the Labor Operation List in PIWIS.
Working time:
Labor time: 109 TU
Removing water drain valves on the air cleaner housing
Includes:
Removing and installing engine-compartment blower
Removing and installing tail lights
Removing and installing rear spoiler
Removing and installing air cleaner housing
 Damage code WF23 066 000 1
References:
 Workshop Manual '198119 Removing and installing engine-compartment blower'
 Workshop Manual '242519 Removing and installing air cleaner housing'
 Workshop Manual '665819 Removing and installing rear spoiler (Turbo)'
 Workshop Manual '943119 Removing and installing tail light'
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. If a particular condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your authorized Porsche Dealer for the latest information
about whether a particular technical bulletin applies to your vehicle. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify the current and
correct part numbers. 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.
Dealership
Distribution
Routing
Service Manager
_______
Shop Foreman
_______
Service Technician
________
_______
_______
_______
Asst. Manager
_______
Warranty Admin.
_______
Service Technician
________
_______
_______
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2015© Porsche Cars North America, Inc.
AfterSales
Apr 21, 2015
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