Drive/Propeller Shaft: Service and Repair

- Remove the exhaust assembly.





- Unscrew the heat shield.

Version with Front Coupling or Universal Joint:





- Loosen the screw on sleeve several turns with Special Tool 26 1 040.

Installation:
• Tighten the screw on sleeve with Special Tool 26 1 040 after finishing installation.
• Tightening torque:
M10 68-76 Nm (49-50 ft.lbs)
M12 115-130 Nm (83-94 ft.lbs)





- Unscrew the propeller shaft on the transmission.

Version with Bolted Vibration Damper:





- The vibration damper is mounted on the transmission end output flange.





- Unscrew the propeller shaft on the transmission.

- Turn the vibration damper 60° and place it on the rubber coupling.

- The vibration damper is removed together with the propeller shaft.





Installation:
• Replace the stop nuts.
• Tightening torque:
M10 68-76 Nm (49-50 ft.lbs)
M12 115-130 Nm (83-94 ft.lbs)

Important! Only lighten the nuts or bolts on the flange end to avoid tension in the coupling.

If necessary, loosen and adjust the cross member.

Version with Front Universal Joint:





- Unscrew the propeller shaft on the transmission

Installation:
• Replace the stop nuts.
• If necessary, adjust the cross member.
• Tighten the nuts with a torque wrench.
• Tightening torque:
M10 68-76 Nm (49-50 ft.lbs)
M12 115-130 Nm (83-94 ft.lbs)





- Unscrew the propeller shaft on the final drive.





Installation:
• Replace the stop nuts.
• Tightening torque 68-76 Nm (49-55 ft.lbs).





- Unscrew the center mount.

Installation:
• Preload the center mount in forward direction A = 4 to 6 mm (0.157 to 0.236").





- Bend down the propeller shaft and pull it out of the centering pin on the transmission.

Installation:
• The propeller shaft was balanced in assembled state and may only be replaced complete.
• Check center, lubricating with Molykote Long-term 2 if necessary.
• Replace a damaged center.





Installation:
• Check the center, lubricating with Molykote Long-term 2 it necessary.
• Replace a damaged center.





Installation:
• Tighten the screw-on sleeve with Special Tool 26 1 040 after finishing installation.
• Tightening torque 40-45 Nm (29-33 ft.lbs).

Version with Constant Velocity Joint:





- Support the transmission with Special Tools 74 0 120 and 00 2 020.

- Remove the nuts and washer (1), Loosen nuts (2).

- Push back the transmission carrier.

Installation:
• Tightening torque 21 Nm (15.5 ft.lbs).





- Unscrew the nuts.





Installation:
• Replace the stop nuts.
• Tightening torque:
M10 68-76 Nm (49-50 ft.lbs)
M12 115-130 Nm (83-94 ft.lbs)





- Unscrew the propeller shaft on the final drive.





Installation:
• Replace the stop nuts.
• Tightening torque 68-76 Nm (49-55 ft.lbs).





- Unscrew the center mount.

Installation:
• Preload the center mount forward by distance A = 4 to 5 mm (0.157 to 0,197").





- Bend the propeller shaft down and pull it out of the transmission flange.





Important: The constant velocity joint is not enclosed. Cover the constant velocity joint or use the transportation cap.





Installation:
• Use the gasket between the constant velocity joint and transmission flange.