NHTSA ID Number: 10171016
Manufacturer Communication Number: 122-A6B4Q-02
TSB/Document Date: 2020-02-04
Summary
Technical information outlining a transmission symptom where transmission oil leaks when driving on race circuits. The vent line for the clutch chamber must be replaced.
Service
Technical Information
130/19
ENU
3734
3
Transmission Symptom - Transmission Oil Leaks Out When Driving on Race Circuits:
Replacing Vent Line for Clutch Chamber (SY 130/19)
Vehicle Types:
911 GT3 (991)/911 GT3 RS (991)
Model Year:
As of 2014 up to 2019
Subject:
Vent line for clutch chamber
Symptom:
Transmission oil leaks out of the vent line for the clutch chamber when driving on race circuits.
Cause:
Highly dynamic driving on race circuits at high engine speeds causes oil foaming and can result in an oil
leak from the PDK vent line on the clutch side in some cases.
Remedial
Action:
Replace vent line for clutch chamber and re-route it.
Required parts and materials
Parts Info:
Part No.
Designation - Location
9GT301280
Hose adapter
1 ea.
9GT301063
Vent line
1 ea.
N 10860501
Combination holder
3 ea.
99906112701
Stud - Rear-axle carrier
side section
2 ea.
N 90916701
2 ea.
99907286801
Hexagon collar nut - Rear-axle carrier side
section
Hexagon-head bolt - Rear-axle carrier side
section
Hexagon-head bolt - Rear-axle cross member
99907285901
Hexagon-head bolt - Rear-axle cross member
2 ea.
99908444501
Lock nut - Rear-axle cross member
4 ea.
99907344301
Combination screw - Strut
2 ea.
99907309501
Oval-head screw - Strut
2 ea.
99907286901
Hexagon-head bolt - Strut
2 ea.
99908412309 1)
Hexagon nut - Connecting link
2 ea.
N 91267902 2)
Hexagon nut - Connecting link
2 ea.
N 10699601 2)
Hex flange bolt - Connecting link
2 ea.
90012317320
Sealing ring - Coolant drain plug
2 ea.
99970743441 3)
O-ring - Air-conditioning line in engine
compartment
1 ea.
99907286601
AfterSales
Qty.
4 ea.
2 ea.
Jan 9, 2020
Page 1 of 4
3
Service
Technical Information
3734 ENU 130/19
99970765340 3)
O-ring - Air-conditioning line in engine
compartment
Cheese head bolt - Drive shaft
99907351701
1 ea.
12 ea.
1) Applies to vehicles with conventional anti-roll bar.
2) Applies to vehicles with carbon fiber-reinforced plastic (CFRP) anti-roll bar.
3) Applies to vehicles with air conditioning.
Materials:
Required materials (usually already available at the Porsche dealership):
Part No.
Designation - Location
00004320593
Lubricant - Seals on coolant lines
00004330516
Coolant additive
Qty.
100g tube (approx.
5 grams required per
vehicle)
20-liter container
(approx. 0.5 liter
required per vehicle)
Preparatory work
Work Procedure: 1
Remove engine, see Workshop Manual '100119 Removing and installing engine'.
Replacing vent line for clutch chamber
Work Procedure: 1
2
Disconnect vent line for clutch chamber Vent line
for clutch chamber -1- from breather pipe Vent
line for clutch chamber -2-.
Replace vent line for clutch chamber.
2.1
Fit new hose adapter (9GT301280) New
vent line for clutch chamber -1- on new vent
line for clutch chamber (9GT301063) New
vent line for clutch chamber -2- and breather
pipe New vent line for clutch chamber -3-.
2.2
Route new vent line for clutch chamber
(9GT301063) New vent line for clutch
chamber -2- so that it is routed continuously
upwards as shown and secure with combination holders at positions New vent line
for clutch chamber -4-.
Vent line for clutch chamber
Jan 9, 2020
Page 2 of 4
AfterSales
Service
Technical Information
130/19
ENU
3734
3
New vent line for clutch chamber
Concluding work
Work Procedure:1
Install engine, see Workshop Manual '100119 Removing and installing engine'.
Invoicing
Invoicing:
For documentation and warranty invoicing, enter the labor operation, PQIS coding and part number
specified below in the warranty claim:
APOS
Labor operation
37465525
Replacing vent line (911 GT3)
37465535
Replacing vent line (911 GT3 RS)
I No.
PQIS coding:
Location (FES5)
37340
Double clutch transmission
Damage type (SA4)
5043
Oil leak
AfterSales
Jan 9, 2020
Page 3 of 4
3
Service
Technical Information
3734 ENU 130/19
Parts Info:
Part No.
Designation - Location
Qty.
9GT301280
Hose adapter
1 ea.
9GT301063
Vent line
1 ea.
N 10860501
Combination holder
3 ea.
99906112701
Stud - Rear-axle carrier side section
2 ea.
N 90916701
2 ea.
99908444501
Hexagon collar nut - Rear-axle carrier
side section
Hexagon-head bolt - Rear-axle carrier
side section
Hexagon-head bolt - Rear-axle cross
member
Hexagon-head bolt - Rear-axle cross
member
Lock nut - Rear-axle cross member
99907344301
Combination screw - Strut
2 ea.
99907309501
Oval-head screw - Strut
2 ea.
99907286901
Hexagon-head bolt - Strut
2 ea.
99908412309 1)
Hexagon nut - Connecting link
2 ea.
N 91267902 2)
Hexagon nut - Connecting link
2 ea.
N 10699601 2)
Hex flange bolt - Connecting link
2 ea.
90012317320
Sealing ring - Coolant drain plug
2 ea.
99970743441 3)
1 ea.
99907351701
O-ring - Air-conditioning line in engine
compartment
O-ring - Air-conditioning line in engine
compartment
Cheese head bolt - Drive shaft
00004320593
Lubricant - Seals on coolant lines
0.05 ea. (= approx. 5 grams)
00004330516
Coolant additive
0.025 ea. (= approx. 0.5 liter)
99907286601
99907286801
99907285901
99970765340 3)
4 ea.
2 ea.
2 ea.
4 ea.
1 ea.
12 ea.
1) Applies to vehicles with conventional anti-roll bar.
2) Applies to vehicles with carbon fiber-reinforced plastic (CFRP) anti-roll bar.
3) Applies to vehicles with air conditioning.
References:
Workshop Manual '100119 Removing and installing engine'
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.
© 2020 Porsche Cars North America, Inc.
Jan 9, 2020
Page 4 of 4
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TSB/Document ID: 122-A6B4Q-02
Replacement Service Bulletin Number:
MFR Communication Date: 2020-01-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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