Volkswagen Jetta Hybrid (2013 year). Manual - part 27

using a screwdriver.

Note

♦

The assembly lever -T10407- remains inserted between the

engaging levers and the gearbox housing during removal and

installation of the mechatronic unit.

♦

If necessary, press the assembly lever -T10407- against the

gearbox housing.

Caution

Risk of damaging gearbox components beyond repair.

♦ Do not touch or remove the mechatronic unit for dual

clutch gearbox -J743- until you have electrostatically dis‐

charged yourself by touching an earthed object, e.g. skin

contact with earth.

♦ Do not under any circumstances touch the contacts in the

gearbox connector by hand. The resulting static discharge

could destroy the control unit and, consequently, the me‐

chatronic unit.

– Touch earth connection (without gloves) in order to discharge

yourself.

Caution

Risk of damaging mechatronic unit for dual clutch gearbox -

J743- .

♦ Do not loosen the bolts for cover of the mechatronic unit

for dual clutch gearbox -J743- .

♦ Place the removed mechatronic unit for dual clutch gear‐

box -J743- down in such a way that no oil can escape

through the breather.

♦ Do not remove valve block from mechatronic unit .

Note

Mechatronic unit is to be sent for reconditioning with its oil in.

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7. Mechatronic unit    

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Caution

Risk of damaging mechatronic unit for dual clutch gearbox -

J743- .

♦ Sometimes, the mechatronic unit cannot be removed.
♦ In this case, the gear actuator is caught at the top left of

the mechatronic unit.

♦ The mechatronic unit must not be pulled out using excess

force.

♦ In this case, the mechatronic unit should first be brought

into the installation position by hand 

⇒ page 108

 .

Installing
• The breather connection of the mechatronic unit is sealed with

a sealing plug or sealing cap -0AM 325 120 A- so that no oil

can escape. Order sealing plugs via the ⇒  Electronic parts

catalogue “ETKA” .

Note

♦

A new mechatronic unit is correctly filled with oil.

♦

An ordered mechatronic unit comes sealed with sealing cap

-0AM 325 120 A- .

♦

Before installing the mechatronic unit for dual clutch gearbox

-J743- , ensure that all selector forks are in »centre position«.

♦

The »centre position« is illustrated as position -N- (neutral) in

the illustration below.

♦

In this position no gear is engaged. That is, the neutral position

is set.

– First, check each of the 4 selector forks by hand.
Each selector fork has 3 positions:
♦ Gear engaged
♦ Neutral position -N-
♦ Gear engaged
– Move each of the 4 selector forks one after the other into each

position -arrows-.

– Then move all selector forks back to »centre position« (posi‐

tion -N-).

Note

Slightly turn one front wheel to ease the movement of the selector

forks.

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102

 

tact later on.

– Screw in guide bolts -T10406- by hand.

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Risk of damaging mechatronic unit for dual clutch gearbox -

J743- .
When levering out the plungers, do not use the sensors as an

anchor point.

– Move the 4 gear actuators at the back of the mechatronic unit

for dual clutch gearbox -J743- to the specified position.

• Specified position: -a- = 25 mm.
– Clean sealing surface of mechatronic unit.
• The seal around mechatronic unit for dual clutch gearbox -

J743- must be fully and properly inserted in the groove.

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