– Right halfshaft flange

1 piece(s)

PAF009145

⇒ Internal hexagon round-head bolt with
O-ring
– Right halfshaft flange

1 piece(s)

WHT008676

⇒ Hexagon-head bolt
– Right strut

2 piece(s)

WHT008727

⇒ Cheese head bolt
– Drive shaft

6 piece(s)

9A7407357

⇒ Base plate
– Drive shaft

3 piece(s)

Required parts:

Additionally required parts for vehicles
with lithium-ion battery (M-no. 0K1)

Mar 31, 2026
Page 16 of 63

WHT008727

⇒ Cheese head screw M10 x 46.5
– Drive shaft

2 piece(s)

99240735700

⇒ Base plate
– Drive shaft

1 piece(s)

AfterSales

Service

Technical Information
Parts (7C):

88/20 ENU

3734

3

Required parts:
Part No.

Designation
– Location of use

Quantity

PAF009145

⇒ Internal hexagon round-head bolt with
O-ring
– Right halfshaft flange

1 piece(s)

WHT008676

⇒ Hexagon-head bolt
– Right strut

2 piece(s)

WHT008727

⇒ Cheese head bolt
– Drive shaft

6 piece(s)

9A7407357

⇒ Base plate
– Drive shaft

3 piece(s)

Additionally required parts for vehicles
with lithium-ion battery (M-no. 0K1)
WHT008727

⇒ Cheese head screw M10 x 46.5
– Drive shaft

2 piece(s)

99240735700

⇒ Base plate
– Drive shaft

1 piece(s)

Labor Position Labor position:
and PCSS
Encryption (7A 7C):
APOS

Labor operation

I No.

39255542

Replace sealing ring for halfshaft flange

39255542

Replace sealing ring for joint flange (992 PA Coupe)

39255544

Replace sealing ring for joint flange (992 PA
Cabriolet)

39225592

Replace sealing ring for halfshaft flange (992 PA)
PCSS encryption: 7A – 7C

Location (FES5)

39251

Flanged shaft mount left

Damage type (SA4)

1817

loose

AfterSales

Mar 31, 2026
Page 17 of 63

3

Service
3734

ENU

Technical Information

88/20

Leaks in the left side area of the transmission
Information
Please note that a transmission of the 911 GTS / 911 Turbo is shown here. For vehicles without the M-no.
0K1, component nos. 27 and 29 is not present.

Left side of transmission (with ATF cooler)
Item

Þ Left
⇒

side of
transmission
(with ATF
cooler) -8-

Mar 31, 2026
Page 18 of 63

Oil leakage
ATF cooler
8A - 8C
If there are oil leakages
in the ATF cooler area,
Þ Left side of
see also ⇒
transmission (with ATF

Possible cause(s)

Repair measure

Screw loose (A)

Replace screw, see ⇒ Workshop Manual
'377219 Removing and installing transmission oil cooler'.

Seal damaged (B)

Replace seal, see ⇒ Workshop Manual
'377219 Removing and installing transmission oil cooler'.

AfterSales

Service

Technical Information

cooler) -15 and 16-.

Þ Left
⇒

side of
transmission
(with ATF
cooler) -9-

88/20 ENU

ATF cooler leaking (C)
Sealing ring damaged (A)

Central connector on the right

Bleeder screw

Shaft sealing ring damaged

Selector shaft

Sealing ring damaged

Replace sealing ring, see ⇒ Workshop
Manual '373355 Replacing selector
shaft sealing ring'.

Sealing ring damaged (A)

Replace sealing ring.

12A - 12B

Screw loose (B)

Replace screw and tighten to 3.2
Nm (2.2 ftlb.) and a final tightening
torque angle of 30°.

Left halfshaft flange

Grease leak on bearing

Replace bearing, see ⇒ Workshop
Manual '392555 Replacing left
halfshaft flange bearing'.

Speed sensor

Þ Left
⇒

side of
transmission
(with ATF
cooler) -13-

Þ Left
⇒

side of
transmission
(with ATF
cooler) -14-

Replace double-clutch transmission, see

⇒ Workshop Manual '373419 Removing

Replace double—clutch transmission, see
⇒ Workshop Manual '373419 Removing
and installing double clutch transmission'.

Þ Left
⇒

side of
transmission
(with ATF
cooler) -12-

Replace ATF cooler, see ⇒ Workshop
Manual '377219 Removing and installing
transmission oil cooler'.

and installing double clutch transmission'.

Þ Left
⇒

side of
transmission
(with ATF
cooler) -11-

3

Connector leaking (B)

9A - 9B

Þ Left
⇒

side of
transmission
(with ATF
cooler) -10-

3734

Sealing ring damaged (A)
Temperature sensor
14A - 14B

Connector leaking (B)

AfterSales

Replace temperature sensor, see
⇒ Workshop Manual '377419
Removing and installing transmission
oil temperature sensor'.

Mar 31, 2026
Page 19 of 63

3

Service
3734

ENU

Technical Information

88/20

Þ Left
⇒

side of
transmission
(with ATF
cooler) -27-

Rotor position sensor

Sealing ring damaged

Replace rotor position sensor

Seal damaged

Replace seals on line connection box,
see ⇒ Workshop Manual '373427A2
Removing and attaching doubleclutch transmission'

Þ Left
⇒

side of
transmission
(with ATF
cooler) -29Parts and
Materials (8A):

Line connection box

Required parts (for ATF cooler):
Part No.

Designation
– Location of use

Quantity

PAF009496

⇒ Internal hexagon round-head countersunk screw
– ATF cooler

9 piece(s)

PAF009390

⇒ Screw plug with sealing ring

1 piece(s)

PAF008528

⇒ Screw plug with sealing ring

1 piece(s)

WHT008676

⇒ Hexagon-head bolt
– Strut

4 piece(s)

Required materials (usually already available in the Porsche Center):
Part No.

Designation

Quantity

00004321044

⇒ Transmission oil

20-liter container 1)
5.28 gal

1) approx. 6 liter / 1.59 gal required per vehicle.

Parts and
Materials (8B):

Mar 31, 2026
Page 20 of 63

Required parts (for ATF cooler):
Part No.

Designation
– Location of use

Quantity

PAF009496

⇒ Internal hexagon round-head countersunk screw
– ATF cooler

9 piece(s)

AfterSales

Service

Technical Information

88/20 ENU

3734

0DT301461

⇒ Seal
– ATF cooler

1 piece(s)

PAF009390

⇒ Screw plug with sealing ring

1 piece(s)

PAF008528

⇒ Screw plug with sealing ring

1 piece(s)

WHT008676

⇒ Hexagon-head bolt
– Strut

4 piece(s)

3

Required materials (usually already available in the Porsche Center):
Part No.

Designation

Quantity

00004321044

⇒ Transmission oil

20-liter container 1)
5.28 gal

1) approx. 6 liter / 1.59 gal required per vehicle.

Parts and
Materials (8C):

Required parts (for ATF cooler):
Part No.

Designation
– Location of use

Quantity

PAF009496

⇒ Internal hexagon round-head countersunk screw
– ATF cooler

9 piece(s)

0DT301461

⇒ Seal
– ATF cooler

1 piece(s)

0DT300333

⇒ Heat exchanger

1 piece(s)

PAF009390

⇒ Screw plug with sealing ring

1 piece(s)

PAF008528

⇒ Screw plug with sealing ring

1 piece(s)

WHT008676

⇒ Hexagon-head bolt
– Strut

4 piece(s)

Required materials (usually already available in the Porsche Center):
Part No.

Designation

Quantity