Checking and filling transmission oil (VW Passat B6)

Note: Checking the transmission oil level using currently known methods is no longer possible.

Note: The tilt of the power unit has been changed.

Therefore, the lower edge of the filling hole 1 is below the new oil level 2 (Fig. 3.55).

The gearbox oil level can only be checked after the transmission oil has been completely drained and refilled.

Preparation

Remove the air filter housing assembly.

Remove the sound insulation.

Clean the gearbox.

Caution: To release transmission oil, the shift fork journal in the gearbox must be removed.

Caution: To prevent the position of the shift forks from changing, e.g. due to unintentional pressing of the shift drive, a shift shaft must be installed.

Fixing the shift shaft

Press the shift shaft down (arrow direction 1) (Fig. 3.49).

While pressing on the shift shaft, turn corner A in the direction of arrow 2 upwards and at the same time gently press it inwards until it snaps into place on the shift shaft.

Transmission oil release

To collect transmission oil, use a clean 3.0 L collecting container with a scale.

The shift shaft must be secured.



Unscrew the threaded plug 1, then remove the journal 2 and release the transmission oil (Fig. 3.56).

Install trunnion 2 with a new sealing ring.

Tighten the threaded plug 1 (Fig. 3.49).

After this, return corner A to its original position (direction of the arrow), so that the shift shaft can move freely again

Filling transmission oil

Add transmission oil to the container up to 1.9 l.




Remove the reversing light switch (Fig. 3.57).

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Connect the hose (length about 600 mm, outer diameter 10 mm) with a standard funnel.

Insert the hose into the hole in the reverse light switch mount. (2nd mechanic) and fill with transmission oil.

Reinstall the reverse light switch.

Check the operation of the gear shift drive.

Install the air filter housing assembly.

Install soundproofing.