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Transmission activation mechanism > < Components in the vehicle

Polo Mk4

Gear components
   
Gear components
1 - Screw, 6 Nm
q   To support the harness
2 - Harness
3 - Transmitter of gear speed -G68-
q   Connector in the transmitter
q   Location, disassembly and assembly → Fig.
4 - Screw, 6 Nm
5 - Screw, 6 Nm
6 - Transmitter of transmission regime -G38-
q   With connection cable
q   Location, disassembly and assembly → Fig.
7 - Gearbox
8 - Harness
q   For electric valves and the transmission oil temperature transmitter (ATF) -G93-
q   Location, disassembly and assembly → Anchor
9 - Multifunction switch -F125-
q   Adjust → Fig.
10 - Screw with collar
q   Tightening torque → Fig.
11 - Connecting rod
q   For selector axle
12 - Nut, 17 Nm

   
Fig.1- Harness for electric valves and transmission oil temperature transmitter (ATF) -G93-
Location: the harness is located in the oil sump below the automatic transmission control valve assembly.
–  Disassembly and assembly of harness
The harness can be replaced with the gearbox assembled, without the need to disassemble the automatic transmission control valve assembly.
t  Let the ATF bleed → Chapter
t  Disassemble the oil sump → Chapter
t  Unplug the connector from the transmission.
t  Unblock the terminal connector -arrows- and remove it from the transmission housing.
  N37-0336
t  Unblock the connectors from the electric valves by pressing the flaps -1- and remove them -2-.
–  The assembly is performed in the reverse order of operations.
–  Bear the assembly sequence in mind → Chapter
–  The cable colours correspond to the colours of the corresponding electric valves.
–  After assembly. Start the basic adjustment.
To do so:
t  Connect the equipment VAS 5051 and switch until "Select functions/components" appears
t  Press "Power-drive (Rep. Group 01; 10...26; 28...39)".
t  Then, "4-speed automatic gearbox 001".
t  Press "01 - Self-diagnosis".
t  Press "Functions".
t  Press "J217 - Perform basic adjustment".
  N38-0055
Fig.2- -A- - Transmitter of transmission regime -G38-. -B- - Transmitter of gear speed -G68-
Location: the transmitters are located in the upper part of the transmission.
Disassembly and assembly of transmitters
–  Unplug the connector from the transmitter.
–  Release the screw and extract the transmitter
–  Replace the O-ring
–  The assembly is performed in the reverse order of operations.
–  Tighten the screw to a torque of 6 Nm
  N37-0342
Fig.3-Adjustment of multifunction switch
Conditions
l  Adjustment of selector level cable, in order
l  Selector lever in "N"
l  Loosen screws (arrows)
–  Fit a 4-mm bit -A- through the selector lever to the adjustment hole of the multifunction switch.
–  In this position, tighten the screws (arrows) of the multifunction switch to a torque of 3 Nm.
–  Remove the bit.
  N37-0994

Transmission activation mechanism > < Components in the vehicle