Drivetrain - Driveshaft And Halfshaft Flange Threads

4

20/09ENU 4221

Oct 8, 2009

PDK: Driveshaft and Halfshaft Flange Threads (fine thread) (20/09)

Vehicle Type:
911 Carrera (997)/911 Carrera S (997)

Model Year:
As of 2010

Equipment:
Porsche Doppelkupplung (PDK) (I-no. 250)

Concerns:
Threaded joint between driveshaft and halfshaft flange.

Information:

- Standardization with 911 Turbo (997), model year A (2010).
- Repairs.

The threaded joint mentioned above (halfshaft flange and cheese head bolt) has been changed as of the beginning of September 2009.

The previously used cheese head bolt (M10 x 1.5) has been replaced with a cheese head bolt with fine thread (M10 x 1). The new bolt is a Torx T55 bolt (previously internal serration N 10).

The tightening torque for the bolt is new: 90 Nm (67 ftlb.).

This threaded joint has been used since start of production on the 911 Turbo (997), model year A (2010).

Date of Introduction:

Beginning of September 2009, as of transmission numbers:

CG100 1 012248
CG100 2 003010 (limited-slip differential)
CG130 2 011704 (limited-slip differential, C4)

Parts Info:

999.073.517.01 New/--> Cheese head bolt, M10 x 1

9G1.332.028.50 New/--> Short halfshaft flange

9G1.332.029.50 New/--> Long halfshaft flange

References:

--> Technical Information '392500 PDK: Threaded joint between drive shaft and halfshaft flange (fine thread) (20/09)'
--> Workshop Manual '392500 Tightening torques for rear axle'





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