NHTSA ID Number: 10251204
Manufacturer Communication Number: No. 163-20
TSB/Document Date: 2024-03-05
Summary
Technical information for a complaint - oil leaks on double clutch transmission
Cause
Oil inspection plug
Check that it is installed securely.
Replace screws on the ATF pan
if necessary.
Seal damaged
Replace ATF pan, see Technical
Information 'Replacing ATF pan'.
Screw loose
Check that it is installed securely.
Replace lifting tube and oil inspection
plug if necessary, see Technical
Information 'Replacing oil inspection
plug and oil pipe'.
Lifting tube loose
AfterSales
Service
Technical Information
163/20 ENU
3734
3
Leaks on front side of transmission
Front side of transmission
Position
Oil leak
Front
side of
transmission -1-
Clutch bell-housing and
clutch cover
Cause
Repair measure
Apparent assembly grease
leak
No action required.
Grease leak on dual-mass
flywheel
Check dual-mass flywheel, see
Technical Information 'Checking
dual-mass flywheel (DMF) on vehicles
with PDK (11/14)'.
Engine leaking
Find oil leaks and fix them.
Radial shaft seal on clutch
cover damaged
Replace radial shaft seal, see
Technical Information 'Replacing
radial shaft seal'.
Replace double clutch transmission,
see Technical Information 'Replacing
double clutch transmission'.
Radial shaft seal on clutch
cover damaged
Replace radial shaft seal, see
Technical Information 'Replacing
radial shaft seal'.
Front
side of
transmission -2-
Clutch cover
AfterSales
Feb 16, 2024
Page 11 of 47
3
Service
3734
Technical Information
ENU 163/20
Front
side of
transmission -3-
Central connector on the left
Connector leaking
Replace wire harness in transmission,
see Technical Information 'Wire
harness displaced'.
Central connector on
the right
Connector leaking
Replace double clutch transmission,
see Technical Information 'Replacing
double clutch transmission'.
Front
side of
transmission -4-
Leaks on rear side of transmission
Rear side of transmission
Position
Oil leak
Cause
Repair measure
Rear-axle shaft
Shaft sealing ring damaged
Replace sealing ring on cardan flange,
see Technical Information 'Replacing
cardan flange sealing ring'.
Rear side
of transmission -1-
Feb 16, 2024
Page 12 of 47
AfterSales
Service
Technical Information
163/20 ENU
3734
3
Replacing sealing ring on ATF cooling line
Work Procedure: 1
Replace sealing ring on ATF cooling line, see
Workshop Manual '386219 Removing and installing ATF cooling line (rear section)' or
Workshop Manual '386219 Removing and installing line for ATF cooling (hybrid
)'.
2
Parts:
Materials:
Check and top up ATF; see Workshop Manual '370235 Checking and topping up ATF'.
Required Parts Info:
Part No.
Designation
– Point of use
Number
9A700819800
O-ring
– Line for ATF cooling
2 pieces
9A700852600
Screw plug
– Checking and topping up ATF
1 piece
Required materials (usually already available in the Porsche Center):
Part No.
Designation
– Point of use
Quantity
00004321044
Transmission oil
– Checking and topping up ATF
20-liter/ 5.28 gal
container 1)
1) approx.
Invoicing:
1 liter/ 33.8 fl oz required per vehicle
For documentation and warranty invoicing, enter the labor operations, PQIS coding and relevant part
numbers specified below in the warranty claim:
APOS
Labor operation
37340140
Checking the double clutch transmission
38624940
Reowrking ATF cooling line
38624945
Reworking ATF cooling line (PHEV)
I No.
PQIS coding:
Location (FES5)
38620
ATF cooling line
Damage type (SA4)
1521
Crack/tear
References:
Workshop Manual '386219 Removing and installing line for ATF cooling (rear section)'
Workshop Manual '386219 Removing and installing line for ATF cooling (hybrid)'
Workshop Manual '370235 Checking and topping up ATF'
AfterSales
Feb 16, 2024
Page 13 of 47
3
Service
Technical Information
ENU 163/20
3734
Replacing ATF cooling line
Work Procedure: 1
Replace ATF cooling line, see
Workshop Manual '386219 Removing and installing ATF cooling line (rear section)' or
Workshop Manual '386219 Removing and installing line for ATF cooling (hybrid)'.
2
Parts Info:
Check and top up ATF; see Workshop Manual '370235 Checking and topping up ATF'.
Required parts:
Part No.
Designation
– Point of use
Number
9A700852600
Screw plug
– Checking and topping up ATF
1 piece
Additional parts required (not for PHEV):
Part No.
Designation
– Point of use
Number
0DS317760
Oil pressure line (complete)
– ATF cooling
1 piece
Additional parts required (V6 PHEV):
Part No.
Designation
– Point of use
Number
0DS317760A
Oil pressure line (complete)
– ATF cooling
1 piece
Additional parts required (V8 PHEV):
Part No.
Designation
– Point of use
Number
ODS317760A
Oil pressure line (complete)
– ATF cooling
1 piece
or
ODS317760B
Rear oil pressure line (from 25/09/2017)
– ATF cooling
1 piece
and
ODS317760C
Feb 16, 2024
Page 14 of 47
Front oil pressure line (from 25/09/2017)
– ATF cooling
AfterSales
1 piece
Service
Technical Information
Materials:
163/20 ENU
3734
3
Required materials (usually already available in the Porsche Center):
Part No.
00004321044
1) approx.
Designation
– Point of use
Transmission oil
– Checking and topping up ATF
Quantity
20-liter/ 5.28 gal
container 1)
1 liter/ 33.8 fl oz required per vehicle
r
Invoicing:
For documentation and warranty invoicing, enter the labor operations, PQIS coding and relevant part
numbers specified below in the warranty claim:
APOS
Labor operation
I No.
37340140
Checking the double clutch transmission
38621900
Removing and installing front ATF cooling line
38621951
Removing and installing rear ATF cooling line
37023550
Checking and topping up ATF
PQIS coding:
Location (FES5)
38620
ATF cooling line
Damage type (SA4)
1521
Crack/tear
References:
Workshop Manual '386219 Removing and installing line for ATF cooling (rear section)'
Workshop Manual '386219 Removing and installing line for ATF cooling (hybrid)'
Workshop Manual '370235 Checking and topping up ATF'
Replacing sealing ring for parking lock
Work Procedure: 1
2
Parts Info:
Replace sealing ring for parking lock.
Check and top up ATF; see Workshop Manual '370235 Checking and topping up ATF'.
Required parts:
Part No.
9A700851800
9A700852600
Designation
– Point of use
Shaft seal
– Parking lock
Screw plug
– Checking and topping up ATF
AfterSales
Number
1 piece
1 piece
Feb 16, 2024
Page 15 of 47
3
Service
Materials:
Required materials (usually already available in the Porsche Center):
Part No.
00004321044
1) approx.
Invoicing:
Technical Information
ENU 163/20
3734
Designation
– Point of use
Transmission oil
– Checking and topping up ATF
20-liter/ 5.28 gal
container 1)
0.1 liter/ 3.38 fl oz required per vehicle
For documentation and warranty invoicing, enter the PQIS coding and relevant part numbers specified
below in the warranty claim:
Location (FES5)
38740
Parking lock
Damage type (SA4)
1711
sluggish, jammed, too little play
References:
Quantity
Workshop Manual '370235 Checking and topping up ATF'
Replacing screw plug
Work Procedure: 1
2
Parts Info:
Replace screw plug and tighten to Tightening torque 8 Nm (5.9 ftlb.).
Check and top up ATF; see Workshop Manual '370235 Checking and topping up ATF'.
Required parts:
Part No.
9A700852600
9A700852600
Materials:
00004321044
1) approx.
Feb 16, 2024
Page 16 of 47
Number
1 piece
1 piece
Required materials (usually already available in the Porsche Center):
Part No.
Invoicing:
Designation
– Point of use
Screw plug
– Transmission housing
Screw plug
– Checking and topping up ATF
Designation
– Point of use
Transmission oil
– Checking and topping up ATF
Quantity
20-liter/ 5.28 gal
container 1)
0.1 liter/ 3.38 fl oz required per vehicle
For documentation and warranty invoicing, enter the labor operations, PQIS coding and relevant part
numbers specified below in the warranty claim:
AfterSales
Service
Technical Information
163/20 ENU
3734
3
I No.
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TSB/Document ID: No. 163-20
Replacement Service Bulletin Number:
MFR Communication Date: 2024-02-16
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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