Fluid - M/T: Service and Repair

Transmission Fluid, Checking and Filling

It is not possible to check the transmission fluid level by removing the oil fill plug.





Due to the angle of the engine/transmission assembly, the lower edge of the fill hole - arrow 1 - is located below the oil level - arrow 2 -.





The fluid level can only be checked when the fluid has been drained completely and then filled again:

Special tools, testers and auxiliary items required

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Hose (approximately 600 mm long, outside diameter 10 mm) with a Commercially Available Funnel

Preparing

For the correct transmission fluid specification, refer to the Parts Catalog.

- Remove the air filter housing.

- Remove the noise insulation.

Clean the transmission.


To drain the fluid, the journal for the shift forks in the transmission must be removed.

To avoid that the position of the shift forks is changed, for example, by involuntarily operating the shift mechanism, the shift rod must be secured.

Secure the Gear Shift Unit Shift Shaft as Follows:





- Push the shift shaft down in the - direction of arrow 1 -.

- While press the shift shaft down, rotate the locking pin - A - in the - direction of arrow 2 - upward and simultaneously press it in until it engages in the gearshift shaft.

Draining

Use a clean container that holds 3 liters with a scale printed on it to catch the transmission fluid.

• The shift shaft is secured.

- Remove the drain plug - arrow 1 - and the pivot pin - arrow 2 - and drain the transmission fluid.





- Install the pivot pin - arrow 2 - with a new O-ring, see - item 5 -=> [ O-ring ] Transmission Component Overviews.

- Install the drain plug - arrow 1 -, see - item 17 -=> [ Oil Drain Plug ] Transmission Housing and Clutch Housing.





- Rotate the locking pin - A - back into its starting position in the - direction of the arrow - so that the shift shaft moves freely.

Filling

Amount of transmission fluid in the container, add to 1.7 liters

For the correct transmission fluid specification, refer to the Parts Catalog.

- Remove the backup lamp switch (F4) - arrow -.





- Hose (approximately 600 mm long, outside diameter 10 mm) with a commercially available funnel.

- Insert the hose into the hole for the backup lamp switch (2nd technician) and fill the transmission fluid.

- Install the backup lamp switch - arrow -, see - item 2 -=> [ ] Shift Unit.

- Make sure the shift mechanism works correctly. Refer to => [ Function ] Adjustments.

- Install the air filter housing.

- Install the noise insulation.