Axle Shaft Assembly: Service and Repair
WM 422119 Removing and installing drive shaft
Tools
Technical values
Preliminary work
DANGER
Vehicle raised incorrectly.
- Danger of fatal injury or material damage should the vehicle fall down.
-> Raise the vehicle at the prescribed jacking points.
1. Jack and raise the vehicle at the prescribed jacking points.
-> 4X00IN01 Lifting the vehicle Service and Repair
Information
- Take care to maintain access to the screws for the diagonal struts in the vicinity of the rear jacking points.
2. Remove support plate.
Support plate
-> 421419 Removing and installing support plate 42141900 Removing and installing support plate.
Removing drive shaft
Information
The instructions for removing and installing drive shafts apply both to the Porsche Doppelkupplung (PDK) and manual transmission.
1. Release axle nut (vehicle on ground) whilst operating the brake (2 fitters required).
2. Remove rear wheel.
-> 44051900 Removing and installing wheel Removal and Replacement
3. Remove drive shafts.
3.1. Counter using special tool adapter plate 9510/1 ( -1- ).
Retaining tool for drive-shaft bolts
3.2. Unscrew the six bolts between the drive shaft and transmission flange.
Drive shaft
Information
Protect drive shafts against mechanical damage (e.g. with a rubber hose which has been cut open).
3.3. Use universal drive shaft/wheel hub extractor as of model '86 NR.87-1 to carefully press out the pin of the drive shaft until the shaft can be moved by hand.
Pressing out drive shaft
3.4. Remove (pull out) drive shaft.
Installing drive shaft
Information
- Screws are Dacromet-coated and must not be greased.
- Grease the toothing of the drive shaft lightly with Optimoly HT.
- To prevent damage to the drive shaft, slide a protective tube (shop-made) over the drive shaft.
- Use new screws and lock nuts.
- Observe correct tightening torques -> 420000 Tightening torques for rear axle.
- Always check the bellows for damage and replace them if necessary if you intend to continue using the drive shaft.
1. Install drive shaft.
1.1. Guide in drive shaft and screw in and tighten the six bolts between the drive shaft and transmission flange.
Drive shaft
6-speed manual transmission
=> Tightening torque: 81 Nm (60 ftlb.)
Porsche Doppelkupplung (PDK)
=> Tightening torque: 81 Nm (60 ftlb.)
Counter using special tool adapter plate 9510/1 ( -1- ).
Retaining tool for drive-shaft bolts
1.2. Remove protection for drive shaft.
Subsequent work
1. Install support plate -A- with the diagonal braces -B-.
Support plate
-> 421419 Removing and installing support plate 42141900 Removing and installing support plate.
2. Fit rear wheel.
-> 44051900 Removing and installing wheel - section on "Installing" Removal and Replacement
3. Tighten the axle nut.
=> Tightening torque: 460 Nm (340 ftlb.)
Tighten axle nut (vehicle on ground) whilst operating the brake (2 fitters required).