Volkswagen Jetta Hybrid (2013 year). Manual - part 25

 .

❑

⇒ “3.4 Safety precautions when working on mechatronic unit for dual clutch gearbox J743 ”, page 8

❑

⇒ “7.2 Removing and installing mechatronic unit”, page 94

❑

⇒ “7.3 Setting mechatronic unit to removal position by hand”, page 108

Installation position and colour of O-ring on hydraulic line
• The O-ring -arrow- must be green. It is suitable for use with

hydraulic fluids. Do not use any other O-ring.

Valve block on mechatronic unit
• Do not unscrew plug -A- and securing bolts -B- of valve block

on mechatronic unit!

Cover on engaging levers of clutch mechanism - specified torque

Note

The cover is installed depending on version.

– Tighten bolt to 8 Nm.

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Note

Renew bolts -arrows 1- and -arrows 2-.

– Tighten bolts in 4 stages as follows:

Stage

Bolts

Specified torque

1

-Arrows 1-

Screw in to contact by hand.

2

Remove guide

bolts -T10406- .

 

3

-Arrows 2-

Screw in to contact by hand.

4.

-Arrows 1 and 2- Diagonally to 10 Nm.

7.2

Removing and installing mechatronic

unit

Special tools and workshop equipment required
♦ Vehicle diagnostic tester
♦ Used oil collection and extraction unit -V.A.G 1782-

♦ Guide pin -T10406-

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logue “ETKA” .

♦ Allocate sealing cap -0AM 325 120 A- according to ⇒  Elec‐

tronic parts catalogue “ETKA” .

Removing
• Gearbox is installed.

Caution

Danger of irreparable damage to gearbox.

♦ Do not run engine or tow vehicle with mechatronic unit for

dual clutch gearbox -J743- removed or when there is no

gearbox oil in the gearbox.

Note

♦

Observe 

⇒ “4 Repair instructions”, page 10

 .

♦

The clutch is self-adjusting. Shocks can have an effect on this

adjusting device. Even if the mechatronic unit has been re‐

moved, suddenly pulling out the assembly lever -T10407-

under the engaging levers can have a negative effect on the

adjusting device.

♦

A new mechatronic unit is correctly filled with oil. Do not drain

oil.

♦

A removed mechatronic unit is sent back with its oil in. Me‐

chatronic unit remains filled with oil.

– Move selector lever to position »P« position.
– Connect vehicle diagnostic tester and switch on ignition.
– Select 

Guided functions

.

– Under “7-speed dual clutch gearbox”, select 

Moving gear

actuator into -neutral- position

.

– Switch off ignition.
– Raise vehicle.
– Remove noise insulation beneath engine/gearbox ⇒  General

body repairs, exterior; Rep. gr.  66 ; Noise insulation .

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WARNING

Hot steam/hot coolant can escape - risk of scalding.

♦ On a warm engine, the cooling system is under high pres‐

sure.

♦ Cover filler cap on expansion tank with a cloth and open

it carefully to release pressure.

– Open filler cap -arrow- on expansion tank.
– Set drip tray for workshop hoist -VAS 6208- underneath.

– Disconnect connector -2- on radiator outlet coolant tempera‐

ture sender -G83- .

– Pull out retaining clip -1-. Remove lower left coolant hose from

radiator and drain off coolant.

– Move lock carrier to service position ⇒  General body repairs,

exterior; Rep. gr.  50 ; Lock carrier; Moving to and back from

service position .

Vehicles with secondary air system
– Unclip cover for air damper -1- upwards from mountings

-arrows- and remove it.

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