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WE66 - Tightening Clamp for Rubber Sleeve on Pressure Pipe (Workshop Campaign)
Vehicle Type:
911 Turbo (991)/911 Turbo S (991)
Model Year:
As of 2014 up to 2015
Concerns:
Rubber sleeve between pressure pipe and throttle housing
Information:
This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. There
is a possibility that the clamp for the rubber sleeve was not tightened to a sufficiently high
tightening torque on the pressure pipe and as a result, the rubber sleeve can slip off the
pressure pipe on the affected vehicles.
If this happens, full performance will no longer be guaranteed.
Action
Required:
Check that the rubber sleeve is fitted securely on the pressure pipe and tighten the clamp.
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 2,718 vehicles with a projected 3.5% failure rate.
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.)
Parts Info:
NOTE: Parts allocation to PCNA from PAG is based on a projected 3.5% failure rate. Parts should be
ordered via a PTEC/PAV. PLEASE BE CONSERVATIVE IN ORDERING PARTS AS THEY WILL REMAIN
IN SHORT SUPPLY THROUGHOUT THE DURATION OF THIS CAMPAIGN.
If the rubber sleeve has slipped off the pressure pipe, the rubber sleeve must be replaced.
Part No.
Designation
Qty.
997.110.647.73
 Rubber sleeve
1 ea.
(only if required) *
000.043.204.68
 Klüber Syntheso Glep
50g tube (as much as required,
approx. 1 gram per vehicle)
* There is a limited number of parts available and only the parts that are actually required must be
ordered.
Work
Procedure:
See Attachment “A”.
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AfterSales
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See Attachment “B”.
Attachment "A": Work Procedure
1
Remove engine-compartment blower  Workshop Manual '198119 Removing and installing enginecompartment blower'.
2
Pull out air guide at the retaining clips  Removing air
guide -arrows- and remove it in an upward direction.
Removing air guide
3
Check that the rubber sleeve is fitted securely on
the pressure pipe.
Also make sure that the rubber sleeve is fitted
correctly on the pressure pipe all the way around
 Checking that rubber sleeve is fitted securely.
•
•
4
If the rubber sleeve is not fitted correctly on
the pressure pipe or has already slipped off
the pressure pipe  Checking that rubber
sleeve is fitted securely -top-, the rubber sleeve
must be replaced  Continue with Step 4.
If the rubber sleeve is fitted correctly on the
pressure pipe  Checking that rubber sleeve is
fitted securely -bottom-  Continue with Step
5.
Replace rubber sleeve.
Checking that rubber sleeve
is fitted securely
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Release primary lock on the boost pressure
sensor connector  Disconnecting
connector and line -1- and disconnect
connector.
Disconnecting connector and line
4.2
Release vacuum line at the pressure pipe 
Disconnecting connector and line -2- and
disconnect it.
4.3
Loosen clamps  Rubber sleeve and
pressure pipe -1 and 4- for the rubber sleeve
fully.
4.4
Pull off rubber sleeve  Rubber sleeve and
pressure pipe -2- on the pressure pipe 
Rubber sleeve and pressure pipe -3- and on
the throttle housing.
4.5
Pull pressure pipe slightly to the rear and
remove rubber sleeve by pulling it to the right
and out of the engine compartment.
4.6
Guide new rubber sleeve, Part No.
997.110.647.73, into the engine
compartment from the right and position it on
the pressure pipe and on the throttle housing.
4.7
5
Rubber sleeve and pressure pipe
Align rubber sleeve and check that the clamps are inside the markings.
Tighten clamps for the rubber sleeve.
5.1
Tighten clamp  Rubber sleeve and pressure pipe -1- for the rubber sleeve on the pressure
pipe hand-tight and then tighten it to the specified tightening torque.
Tightening torque 5 Nm (3.5 ftlb.)
Wait for 5 minutes to allow the clamp to settle and then tighten it again to a tightening
torque of 5 Nm (3.5 ftlb.).
5.2
Tighten clamp  Rubber sleeve and pressure pipe -4- for the rubber sleeve on the throttle
housing hand-tight and then tighten it to the specified tightening torque.
Tightening torque 5 Nm (3.5 ftlb.)
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Wait for 5 minutes to allow the clamp to settle and then tighten it again to a tightening
torque of 5 Nm (3.5 ftlb.).
6
Perform a visual inspection and check that the rubber sleeve is fitted securely.
7
Connect vacuum line  Connecting connector and
line -2- to the pressure pipe until it engages securely.
8
Plug in boost pressure sensor connector 
Connecting connector and line -1- and secure it with
the primary lock.
Connecting connector and line
9
Apply a light coating of Klüber Syntheso Glep on
the rubber sleeve  Installing air guide -1- before
installing the air guide.
10 Position the air guide in the air ducts and press it into
the retaining clips  Installing air guide -2-.
11 Check that the air guide  Installing air guide -2- is
seated correctly in the air ducts.
12 Install engine-compartment blower  Workshop
Manual '198119 Removing and installing enginecompartment blower'.
Installing air guide
13 Enter the workshop campaign in the Warranty and Maintenance booklet.
Information
The specified working times were determined specifically for carrying out this campaign and may differ
from the working times published in the Labor Operation List in PIWIS.
Attachment "B": Claim Submission - Workshop Campaign WE66
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.
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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.
Scope 1:
Tightening clamps for the rubber sleeve.
Working time:
Labor time: 35 TU
Tightening clamps for rubber sleeve on pressure pipe and throttle housing
Includes:
Removing and installing engine-compartment blower
Parts required:
000.043.204.68
Klüber Syntheso Glep
0.02 ea.
(= approx. 1 g)
 Damage code WE66 066 000 1
Scope 2:
Replacing rubber sleeve between pressure pipe and throttle housing and tightening clamps for
the rubber sleeve.
Working time:
Labor time: 69 TU
Replacing rubber sleeve between pressure pipe and throttle housing and
tightening clamps for the rubber sleeve
Includes:
Removing and installing engine-compartment blower
Parts required:
997.110.647.73
Rubber sleeve
1 ea.
000.043.204.68
Klüber Syntheso Glep
0.02 ea.
(= approx. 1 g)
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 Damage code WE66 066 000 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. 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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