NHTSA ID Number: 11021632
Manufacturer Communication Number: No. WPR5
TSB/Document Date: 2025-08-06
Summary
Technical information on WPR5 – Reworking Transmission Input Shaft
Service
Technical Information
182/23 ENU
WPR5
3
WPR5 – Reworking Transmission Input Shaft (Workshop Campaign)
Model Line:
718 (982)
Model Year:
As of 2023 up to 2024
Concerns:
Transmission input shaft
Cause:
In the affected vehicles, a grease that does not meet the required specifications was used to grease the
transmission input shaft.
This means that corrosion cannot be ruled out on the transmission input shaft over the service life of the
vehicle.
Action:
Rework transmission input shaft.
Affected
Vehicles:
Information
Every vehicle is assigned to exactly one campaign scope.
⇒ To find out the scope assigned to the relevant vehicle, see PCSS Vehicle Information.
Only vehicles assigned to the campaign (see also PCSS Vehicle Information).
Required parts and materials
The part numbers of the required parts for the respective vehicle can be seen in the assigned scope. For an
overview of the campaign scopes, see: ⇒ Technical Information 'Warranty processing'
For materials (lubricants) required for carrying out the action, see the corresponding Workshop Manual in
PCSS. These lubricants are usually available in the Porsche
Center.
For invoicing the necessary material during the warranty processing, enter Part No. WPR50000001 with the
"Consumables" designation as an additional part costing $2.34 in the warranty claim.
Required tools - 718 Cayman / 718 Cayman Syle Edition / 718 Cayman S / 718 Boxster / 718 Boxster Style Edition /
718 Boxster S
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, 20-100 Nm (15-74 ftlb.), e.g. VAS 5820 - Torque wrench, 20-100 Nm (15-74 ftlb.)
Torque wrench, 40-200 Nm (30-148 ftlb.), e.g. V.A.G 1332A - Torque wrench, 40-200 Nm (30-148
ftlb.)
Transmission and gearbox jack, e.g. VAS 6931 - Transmission and gearbox jack
Torque wrench, 2-100 Nm (1.5-74 ftlb.), e.g. 9768 - Electronic torque wrench, 2-100 Nm (1.5-74
ftlb.)
AfterSales
Jul 17, 2025
Page 1 of 21
3
Service
WPR5
ENU
•
•
•
•
•
•
•
Technical Information
182/23
3094 - Hose clamp
VAS 6933 - Disassembly tool
VAS 6096/2 - Vacuum pump
9696 - Filling device
9696/2 - Cover
VAS 6931A - Transmission and gearbox jack
V.A.G 1331/13 - Ring wrench insert, a/f 10
Additionally required tools for measuring and adjusting the assist systems
•
•
•
•
•
•
•
•
•
•
•
•
•
•
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
9229/1 - Puller hook
VAS 6918 - Quick-clamping unit
9847 - Socket-wrench insert
9626 - Insert for torque wrench
9730 - Socket-wrench insert
VAS 6292 - Wheel-alignment system with Hawkeye sensors
Wheel Alignment Computer
Adjustment device with reflector
Mirrors for adjustment device
VAS 6430/4 - Lane Keep Assist calibration board
T-bar setting tool for ACC sensor
VAS 6826 - Steering wheel balance
Additional required tools for vehicles with Porsche
Doppelkupplung (PDK)(M-No. 250):
•
•
•
•
VAS 6563 - Manual metering pumps, Porsche
set
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
9443 - Oil filter wrench
Required tools - 718 Cayman GTS 4.0 / 718 Boxster GTS 4.0
Tools:
•
•
•
•
•
•
•
•
•
•
Jul 17, 2025
Page 2 of 21
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, 20-100 Nm (15-74 ftlb.), e.g. VAS 5820 - Torque wrench, 20-100 Nm (15-74 ftlb.)
Torque wrench, 40-200 Nm (30-148 ftlb.), e.g. V.A.G 1332A - Torque wrench, 40-200 Nm (30-148
ftlb.)
Transmission and gearbox jack, e.g. VAS 6931 - Transmission and gearbox jack
Torque wrench, 2-100 Nm (1.5-74 ftlb.), e.g. 9768 - Electronic torque wrench, 2-100 Nm (1.5-74
ftlb.)
3094 - Hose clamp
VAS 6933 - Disassembly tool
VAS 6096/2 - Vacuum pump
9696 - Filling device
VAS 6890 - Spring band clamp pliers
AfterSales
Service
Technical Information
•
•
•
182/23 ENU
WPR5
3
VAS 6931A - Transmission and gearbox jack
V.A.G 1331/13 - Ring wrench insert, a/f 10
3340A - Pliers
Additionally required tools for measuring and adjusting the assist systems
•
•
•
•
•
•
•
•
•
•
•
•
•
•
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
9229/1 - Puller hook
VAS 6918 - Quick-clamping unit
9847 - Socket-wrench insert
9626 - Insert for torque wrench
9730 - Socket-wrench insert
VAS 6292 - Wheel-alignment system with Hawkeye sensors
Wheel Alignment Computer
Adjustment device with reflector
Mirrors for adjustment device
VAS 6430/4 - Lane Keep Assist calibration board
T-bar setting tool for ACC sensor
VAS 6826 - Steering wheel balance
Additional required tools for vehicles with Porsche
Doppelkupplung (PDK)(M-No. 250):
•
•
•
•
VAS 6563 - Manual metering pumps, Porsche
set
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
9204 - Filter wrench
Required tools - 718 Cayman GT4 RS / 718 Spyder RS
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 1331A - torque wrench, 6-50 Nm (4.5-37 ftlb.)
Torque wrench, 40-200 Nm (30-148 ftlb.), e.g. V.A.G 1332A - Torque wrench, 40-200 Nm (30-148
ftlb.)
V.A.G 1601 - Torque Wrench 150–800 Nm (111–592 ftlb.)
Transmission and gearbox jack, e.g. VAS 6931 - Transmission and gearbox jack
P90015 - Ring wrench insert, a/f 12
3094 - Hose clamp
VAS 6933 - Disassembly tool
VAS 6096/2 - Vacuum pump
9696 - Filling device
VAS 6890 - Spring band clamp pliers
V.A.G 1331/13 - Ring wrench insert, a/f 10
9796 - Socket wrench
9794 - Assembly aid
VAS 6266A - Wheel fitting trolley
AfterSales
Jul 17, 2025
Page 3 of 21
3
Service
WPR5
ENU
Technical Information
182/23
Additionally required tools for measuring and adjusting the assist systems
•
•
•
•
•
•
•
•
•
•
•
P90999 - PIWIS Tester 4
Battery charger with a current rating of at least 90 A, e.g. VAS 5908 - battery charger 90 A
Adjustment device with reflector
VAS 6430/4 - Lane Keep Assist calibration board
9229/1 - Puller hook
VAS 6918 - Quick-clamping unit
9647 - Hook wrench
9847 - Socket-wrench insert
9626 - Insert for torque wrench
VAS 6826 - Steering wheel balance
9730 - Socket-wrench insert
Reworking transmission input shaft
Work Procedure: 1
Remove the transmission.
⇒ Workshop Manual '373419 Removing and installing double-clutch transmission'
⇒ Workshop Manual '343519 Remove and install transmission'
2
Clean transmission input shaft and hub of the dual-mass flywheel or clutch hub with isopropanol and a
clean cloth, and completely remove the old grease.
3
Grease shaft teeth with Castrol High Pressure Grease Tribol GR 400-3 PD (00004330573).
Transmission input shaft
Jul 17, 2025
Page 4 of 21
AfterSales
Service
Technical Information
182/23 ENU
WPR5
3
Information
Þ Coolant
Ensure that the coolant lines on the holder ⇒
hose bracket -1- on the transmission are routed
correctly as described in the Workshop Manual.
Þ Coolant hose bracket -2-.
Observe the markings ⇒
Incorrect routing leads to a defect in the coolant lines
and to coolant leakage.
4
Install transmission.
⇒ Workshop Manual '373419 Removing and installing
double-clutch transmission'
⇒ Workshop Manual '343519 Remove and install
transmission'
5
Coolant hose bracket
Enter the campaign in the Warranty and Maintenance logbook.
Warranty processing
Information
The specified labor times were determined specifically for carrying out this campaign and include all
necessary preliminary and subsequent rework. The labor times may differ from the labor times published in
the Labor Operation List in PCSS.
Scope 1:
Reworking transmission input shaft
Valid for 718 Cayman/718 Cayman Style Edition/718 Boxster/718 Boxster Style Edition with the
following equipment:
•
•
•
with 6-speed manual transmission with dual-mass flywheel (M No. 480)
without Adaptive cruise control
(M No. 456)
without PDLS+ (dynamic high beam) (M No. 632)
Labor time:
Reworking transmission input shaft
Includes:
Removing and installing 6-speed manual transmission
Measure vehicle at the front and rear and make adjustments
Draining and topping up coolant
Labor time: 834 TU
Required parts:
99907283701
Hexagon-head bolt AM10 x 55 - PA
2 pieces
90012300730
Sealing ring, A14 x 18
1 piece
99610680103
2 pieces
AfterSales
Jul 17, 2025
Page 5 of 21
3
Service
WPR5
ENU
Technical Information
182/23
982251571E
Clamp
2 pieces
90091000303
Hexagon nut M8
4 pieces
982251263
Gasket
2 pieces
90037824901
Hexagon-head bolt, AM10 x 55
4 pieces
99907284001
Hexagon-head bolt M10 x 35
2 pieces
99908412309
Hexagon nut M10
2 pieces
90037815901
Hexagon-head bolt, M8 x 60
4 pieces
99951004701
Cheese head bolt with multiple-tooth head
12 pieces
9P1501375
Plate
6 pieces
00004330516
Coolant additive (20-liter / 5.28 gal container)
0.05 piece
WPR50000001*
Consumables
1 piece
00004330573
Castrol High Pressure Grease Tribol GR 400-3 PD
(80-gram / 2.82 oz container)
1 piece
Required materials:
*For invoicing the necessary material during the warranty processing, enter Part No. WPR50000001 with
the “Consumables” designation as an additional part costing $2.34 in the warranty claim.
Þ Damage number WPR5 066 000 1
⇒
Scope 2:
Reworking transmission input shaft
- REDUCED - oxidation and lower volatility at high temperature
- ALLOWS - high-temp operation without varnishing valves and...
- IMPROVED THERMAL STABILITY - maintains viscosity levels, and...
- POPULAR TRANSMISSION FLUID FOR - Dexron-VI, MerconSP...
- WHY RED LINE - Established in 1979, Red Line Products...
- CUTTING EDGE TECHNOLOGY - Shockproof technology designed to...
- QUIET SMOOTH SHIFTING - V-Twin Transmission oil dampens...
- IMPROVES PERFORMANCE - Transmission fluid that dramatically...
- POPULAR POWESPORTS OIL FOR - UTVs & Side by Sides, ATVs...
- WHY RED LINE - Established in 1979, Red Line Products...
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TSB/Document ID: No. WPR5
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-17
MFR Internal Campaign ID/Software Version: WPR5
Communication Type: Service Campaign
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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