Fluid - Differential: Service and Repair

WM 399055 Changing oil for final drive

Tools





Technical values





Information





Overview of oil for final drive





Preliminary work

DANGER

Vehicle raised incorrectly

- Danger of fatal injury and material damage should the vehicle fall down

-> Jack the vehicle at the prescribed jacking points.

Information

- When raising the vehicle, take care to maintain access to the screws for the diagonal struts in the vicinity of the rear jacking points.

1. Raise the vehicle at the specified jacking points.
-> 4X00IN01 Lifting the vehicle Service and Repair
2. Remove support plate.





Support plate

2.1. Remove diagonal braces.
Unscrew M10/M12 screws and M10 nuts and remove diagonal braces -1-.
2.2. Remove support plate.
Unscrew M10 x 25 screws and M10 nuts and remove support plate -2-.
3. Place oil collection pan under the transmission.


Changing oil for final drive

1. Unscrew oil filler plug.





Oil filler screw on transmission

Unscrew oil filler screw for final drive -1-.
2. Drain oil for final drive.





Oil drain plug on transmission

Unscrew oil drain plug for final drive -2- and drain oil for final drive.

WARNING

Hot fluid

- Danger of scalding

-> Let the fluid cool down.
-> Wear personal protective gear.

Topping up oil for final drive

NOTICE

Too much refrigerant oil in new air conditioning compressor.

- Risk of damage to air conditioning components.

-> Do not start engine.
-> Do not tow the vehicle.

1. Screw in and tighten oil drain plug on final drive.





Oil drain plug on transmission

Replace sealing ring for oil drain plug on final drive and clean and tighten oil drain plug -1-.
=> Tightening torque: 35 Nm (26 ftlb.)+/-3 Nm (+/-2 ftlb.)
2. Top up oil for final drive.
Use the ATF filling device for filling transmission NR.161 to top up with oil for final drive until oil emerges at the oil filler opening.
3. Screw in and tighten oil filler screw for final drive.





Oil filler screw on transmission

Replace sealing ring for oil filler screw for final drive -1- and then clean and tighten oil filler screw for final drive -1-.
=> Tightening torque: 35 Nm (26 ftlb.)+/-3 Nm (+/-2 ftlb.)

Subsequent work

1. Install support plate.





Support plate

1.1. Install support plate.
Fit support plate -2- and screw in and tighten M10 x 25 screws and M10 nuts.
=> Tightening torque: 65 Nm (48 ftlb.)
=> Tightening torque: 65 Nm (48 ftlb.)
1.2. Install diagonal braces.
Fit diagonal braces -1- and screw in and tighten M10/M12 screws and M10 nuts.
M10
=> Tightening torque: 65 Nm (48 ftlb.)
M12
=> Tightening torque: 110 Nm (81.5 ftlb.)
2. Lower the vehicle.