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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