Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 454

– Release and remove the connector rotary lock -1- for the Me‐

chatronic by turning it in the direction of the starter -A-.

– Remove the wires and bracket from the front of the transmis‐

sion cover -arrows- (two M6 nuts).

– Route the wires near the transmission cover upward and tie

them up.

– Place the Used Oil Collection and Extraction Unit -

SMN372500- under the transmission near the transmission

cover.

Caution

Fluid will leak out of the transmission cover when the bolts are

removed. Risk of injury due to hot transmission fluid.

– Loosen the bolts -arrows- on the transmission cover -A- diag‐

onally and then remove them. Hold down the transmission

cover at the same time.

– Drain the transmission fluid and remove the cover and seal.
Approximately 3 liters (3.1 quarts) of transmission fluid will drain

out.

Note

Always replace the screws on the transmission fluid pan.

– If necessary change the transmission fluid filter. Refer to

⇒ “8.3 Transmission Fluid Filter, Removing and Installing”,

page 110

 .

– Remove the lower left front wheel housing liner. Refer to ⇒ 

Body Exterior; Rep. Gr.  66 ; Wheel Housing Liner; Overview

- Front Wheel Housing Liner .

– Remove the bolts -arrows- from the transmission fluid pump

cover and remove the cover -A-.

Note

Always replace the cover and the transmission fluid pump bolts.

– Remove the pendulum support bolts -1- from the transmission.
The transmission can now be “pressed down” slightly to remove

the Mechatronic.
– Touch a grounded object again before touching the Mecha‐

tronic.

– Loosen and remove the bolts -1 through 10- in the specified

sequence.

– Push the transmission rearward and pull the Mechatronic

carefully from the transmission housing until the sensor arm

-B- on the rear is no longer in the transmission housing.

When handling the Mechatronic, be particularly aware of the

“long” sensor arm -B-.
– Carefully move the DSG Transmission Mechatronic - J743-

downward.

Store Mechatronic Properly

Caution

Never lift the Mechatronic by the “sensor arm” and never let it

rest on the arm.

If the “arm” is damaged, the Mechatronic must be replaced.
Installing
Touch a grounded object before touching the Mechatronic

⇒ page 7

 .

Note

The DSG Transmission Mechatronic - J743- and the transmission

must be the same temperature. Otherwise the alignment pins will

not “clamp” during installation.

– Carefully mount the Mechatronic onto the alignment pins

-arrow-. The goal is for the “sensor arm” to be in its

-installed position-.