NHTSA ID Number: 10180523
Manufacturer Communication Number: No. 12-20.3
TSB/Document Date: 2020-10-01
Summary
Service campaign information on Porsche
workshop campaign WLA8 - Checking Connecting Shaft for Front-Wheel Drive and Replacing it if Necessary
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Technical Information
12/20
Additional tools required for replacing the connecting shaft:
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Sep 17, 2020
Page 6 of 19
Torque wrench, 2-10 Nm (1.5-7.5 ftlb.), e.g. VAG 1783 Torque wrench, 2-10 Nm (1.5-7.5 ftlb.)
Torque wrench, 6-50 Nm (4.5-37 ftlb.), e.g. VAG 1331A Torque wrench, 6-50 Nm (4.5-37 ftlb.)
Torque wrench, 20-100 Nm (15-74 ftlb.), e.g. VAS 5820 Torque wrench, 20-100 Nm (15-74
ftlb.)
Torque/torque angle wrench, 20-400 Nm (15-296 ftlb.), e.g. VAS 6942 Digital torque wrench,
20-400 Nm (15-296 ftlb.)
Torque wrench, 40-200 Nm (30-148 ftlb.), e.g. VAG 1332 Torque wrench, 40-200 Nm (30-148
ftlb.)
VAS 6832 Master Gear unit elevating platform
VAS 6832/7 Assembly fixture - Panamera G2
T40093/50 - Base
T40093/3P - Support
T40091/50-51 - Support
T40091/1 - Pipe
T40091/3 - Joiner
10-222A/2 - Additional hook
3033 - Lifting tackle
T10439 - Assembly pin
9472 - Brake piston resetting fixture
9229/1 - Puller hook
VAS 6926 Puller set
T10187 - Press-out tool
VW552 - Spring compressor
VAS 6931 Transmission and Engine Jack
9799 - Impact puller
T40178B - Oil gauge tester
VAS 6262A Adapter for Oil Filling
VAS6262/2 Adapter for Filling ATF Oil
VAS 741 039 Manoeuvring aid set
9825/3 - Adapter
9825/1 - Connecting line
VAS 6629A Nitrogen Filler Set for Air-Spring Struts
9900 - PIWIS Tester 3
VAS 5908 Battery Charger, 90 A
VAS 6826 Steering wheel balance
VAS 6918 Quick-Clamping Unit
9229/1 - Puller hook
T10188 - Open-end spanner insert
VAS 6883 Insulated Tool Set
VAS 6563 Manual metering pumps, Porsche set
VAS 6096/2 Vacuum pump
9696 - Filling device
AfterSales
Service
Technical Information
•
•
•
12/20
ENU
WLA8
3
VAG 1274B Tester for Cooling System
VAS 6562 Porsche Adapter Set for Cooling System Tester
VAS 6890 Spring Band Clamp Pliers
Additional tools required for vehicles with hybrid drive if the high-voltage system cannot be isolated
automatically using the PIWIS Tester:
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VAS 6558/9–6 High-voltage test adapter HVA 280
T40262 - Locking cap
9703 - Flexible screwdriver
Checking connecting shaft for front-axle final drive
Work Procedure: 1
Raise the vehicle using a lifting platform Workshop Manual '4X00IN Lifting the vehicle'.
2
Remove front underbody cover Workshop Manual '519219 Removing and installing cover for
front underbody'.
3
Remove center underbody cover Workshop Manual '519319 Removing and installing cover for
centre underbody'.
4
Visually inspect the connecting shaft on and
around the splines for the front-axle final drive to see
whether there is any corrosion residue.
Information
Limescale deposits or dirt that gets into the connecting
shaft area as a result of driving the vehicle are not a
defect. The connecting shaft and front-axle final drive
must only be replaced if there are obvious signs of
corrosion (red rust).
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There is no corrosion dust on the dust boot on
the front-axle final drive to the connecting shaft:
The connecting shaft for the front-axle final drive is
greased according to specifications and does not
have to be replaced. Continue with Step 5.
Dust boot and connecting shaft
If there is corrosion dust on the dust boot on the
for front-axle final drive
front-axle final drive, the connecting shaft was not
greased according to specifications. The connecting shaft and the front-axle final drive must be
replaced. To do this, continue with Technical Information '519319 Replacing connecting shaft
and front-axle final drive'.
AfterSales
Sep 17, 2020
Page 7 of 19
3
Service
WLA8
ENU
Technical Information
12/20
5
Install center underbody cover Workshop Manual '519319 Removing and installing cover for
centre underbody'.
6
Install front underbody cover Workshop Manual '519219 Removing and installing cover for front
underbody'.
7
Lower the vehicle and remove it from the lifting platform.
8
Enter the campaign in the Warranty and Maintenance booklet.
– End of action required –
For warranty processing, see Scope 1 under Technical Information '519219 Warranty
processing'.
Replacing connecting shaft and front-axle final drive
Work Procedure:
Sep 17, 2020
Page 8 of 19
Information
Digital photos of the relevant connecting shafts and the relevant front-axle final drive are required
for analysing the damage and for vehicle differentiation. Please add these photos to the relevant
PQIS job line/ warranty claim. Lack of clear documentation may lead to warranty claim chargeback
or reduction.
1
Document the damage on the connecting shaft and front-axle final drive while they are installed on
the respective vehicle.
To do this, take digital photos that clearly show the signs of corrosion.
Also take digital photos of the connecting shaft and front-axle final drive after removing them (see
Step 13).
2
Vehicles with hybrid drive: Observe general warning notes for working on the high-voltage
vehicle electrical system Workshop Manual '2X00IN General warning notes for working on the
high-voltage electrical system'.
3
Vehicles with hybrid drive: Isolate the high-voltage system from the power supply and complete
the relevant documentation Workshop Manual '2X00IN Isolating high-voltage system from power
supply/Starting high-voltage system'.
4
Only for vehicles with PDCC: Disconnect 48 V system Workshop Manual '270703 Disconnecting and starting 48 V system'.
5
Disconnect ground strap on the battery.
For instructions, see Workshop Manual '270619 Removing and installing battery'.
6
Drain coolant Workshop Manual '193817 Draining and filling coolant (includes bleeding)'.
7
Remove front wheels Workshop Manual '440519 Removing and installing wheel'.
AfterSales
Service
Technical Information
12/20
ENU
WLA8
3
8
Remove front wheel housing liners on both sides of the vehicle Workshop Manual '505619
Removing and installing front wheel housing liner'.
9
Remove front-axle support Workshop Manual '400819 Removing and installing front-axle
support'.
10
Remove spring struts with front drive shafts Workshop Manual '404119 Removing and installing
front drive shaft'.
11 Support the engine on the body.
11.1
Remove engine cover Workshop Manual '108319 Removing and installing engine cover
(design cover)'.
11.2
Remove front trim panel at the left and right Workshop Manual '700219 Removing and
installing front trim panel (engine compartment)'.
11.3
If installed: Remove torque support Workshop Manual '103719 Removing and installing
torque support'.
11.4
Loosen fuse box in the engine compartment.
To do this, unscrew the screws Fuse box in
engine compartment -1- and move the fuse
box Fuse box in engine compartment -2aside.
11.5
Loosen moulded hoses at the bottom of
the charge-air coolers on both sides of the
vehicle.
For instructions, see Workshop Manual
'214319 Removing and installing charge-air
cooler'.
Fuse box in engine compartment
Information
Further work may be required, depending on the engine type of the respective vehicle.
11.6
Support the engine on the body Workshop Manual '1001IN Supporting engine on the body
(engine safety device)'.
AfterSales
Sep 17, 2020
Page 9 of 19
3
Service
WLA8
ENU
Technical Information
12/20
Information
The camber on the front axle cannot be adjusted, but must be centered evenly within the tolerance
range by moving the front-axle carrier.
The bores in the front-axle carrier for the fastening screws are designed as slots for this purpose.
To minimize the work involved in subsequently
performing suspension alignment and adjusting the
vehicle, mark the position of the fastening screws
Marking fastening screws on front-axle carrier
-2- in relation to the front-axle carrier Marking
fastening screws on front-axle carrier -1- before
loosening them using a suitable pen or marker.
12 Remove front-axle carrier Workshop Manual
'400619 Removing and installing front-axle carrier'.
Information
Digital photos of the relevant connecting shafts and
the relevant front-axle final drive are required for
analysing the damage and for vehicle differentiation.
Please add these photos to the relevant PQIS job line/
warranty claim. Lack of clear documentation may
lead to warranty claim chargeback or reduction.
Marking fastening screws
on front-axle carrier
13 Document the damage on the connecting shaft and front-axle final drive after removing them. To
do this, take digital photos that clearly show the signs of corrosion on the respective components.
14 Remove front-axle final drive and connecting shaft Workshop Manual '398819 Removing and
installing all-wheel final drive'.
15 Install new front-axle final drive and connecting shaft.
Make sure to grease the splines of the connecting shaft for the front-axle final drive with
Weicon Anti Seize AS040P mounting paste (Part No. 00004330586).
For instructions, see Workshop Manual '398819 Removing and installing all-wheel final drive'.
Information
First secure the front-axle carrier to the body using the old fastening screws and after you have
performed suspension alignment and adjusted the vehicle, replace all the relevant fastening
screws one after the other with new screws.
16 Install front-axle carrier Workshop Manual '400619 Removing and installing front-axle carrier'.
Sep 17, 2020
Page 10 of 19
AfterSales
Service
Technical Information
12/20
ENU
WLA8
3
17 Remove engine support.
17.1
Remove support Workshop Manual '1001IN Supporting engine on the body (engine safety
device)'.
17.2
Secure moulded hoses at the bottom of the charge-air coolers on both sides of the vehicle.
For instructions, see Workshop Manual '214319 Removing and installing charge-air
cooler'.
17.3
Secure fuse box in the engine compartment.
To do this, move the fuse box Fuse box in
engine compartment -2- back to its original
position and tighten the screws Fuse box in
engine compartment -1-.
17.4
If installed: Install torque support
Workshop Manual '103719 Removing and
installing torque support'.
17.5
Install front trim panel at the left and right
Workshop Manual '700219 Removing
and installing front trim panel (engine
compartment)'.
17.6
Fuse box in engine compartment
Install engine cover Workshop Manual '108319 Removing and installing engine cover
(design cover)'.
Information
Further work may be required, depending on the engine type of the respective vehicle.
18
Install spring struts with front drive shafts Workshop Manual '404119 Removing and installing
front drive shaft'.
19 Check the oil level in the front-axle final drive and top it up Workshop Manual '399035 Checking
and topping up oil for all-wheel final drive'.
20 Install front-axle support Workshop Manual '400819 Removing and installing front-axle support'.
21 Install front wheel housing liners on both sides of the vehicle Workshop Manual '505619
Removing and installing front wheel housing liner'.
22 Install front wheels Workshop Manual '440519 Removing and installing wheel'.
23 Fill and bleed the cooling system Workshop Manual '193817 Draining and filling coolant (includes
bleeding)'.
AfterSales
Sep 17, 2020
Page 11 of 19
3
Service
WLA8
ENU
Technical Information
12/20
24 Connect battery ground strap.
For instructions, see Workshop Manual '2X00IN Work instructions after disconnecting the
battery'.
25 Only for vehicles with PDCC: Start 48 V vehicle electrical system Workshop Manual '270703
Disconnecting and starting 48 V system'.
26 Vehicles with hybrid drive: Start the high-voltage system and complete the relevant documentation Workshop Manual '2X00IN Isolating high-voltage system from power supply/Starting
high-voltage system'.
27 Check and top up ATF Workshop Manual '370235 Checking and topping up ATF'.
28 Lower the vehicle and remove it from the lifting platform Workshop Manual '4X00IN Lifting the
vehicle'.
29 Perform suspension alignment and adjust the vehicle Workshop Manual '449503 Suspension
alignment complete'.
30 Unscrew previously re-used fastening screws on the front-axle carrier individually and one
after the other and replace them with new fastening screws.
For instructions, see Workshop Manual '400619 Removing and installing front-axle carrier'.
31 Enter the campaign in the Warranty and Maintenance booklet.
– End of action required –
For warranty processing, see Scopes 2 – 4 under Technical Information '400619 Warranty
processing'.
Warranty processing
Scope 1:
Checking connecting shaft for front-axle final drive – No parts have to be replaced.
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TSB/Document ID: No. 12-20.3
Replacement Service Bulletin Number:
MFR Communication Date: 2020-09-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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