Wiring harness in transmission, removing and installing

Removing 

• Remove valve body → Valve body, removing and installing .

Fig 1: Identifying Solenoid Valve Connectors And Wiring Harness Retainers

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Pry retaining tabs on electrical connectors on solenoid valves out with a small screwdriver and disconnect electrical connectors - A  - one after the other.
• Disengage wiring harness at valve body side retaining tabs - B  -.

Fig 2: Transmission Vehicle Speed Sensor -G38- Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disconnect electrical connector - arrow  - at Transmission Vehicle Speed Sensor (VSS) G38/Transmission Output Speed (RPM) Sensor G195.

• Rotate valve body.

Transmission with hydraulic control "E17" : 

Fig 3: Removing/Installing Sensor And Solenoid Valve Harness Connectors At Valve Body

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disconnect electrical harness connector at Transmission Input Speed (RPM) Sensor G182 - 1  -.
• Remove retaining clip - arrow A  - and unclip wiring harness from retaining clip - arrow B  -.
• Disconnect electrical connector - 2  - at Solenoid Valve 4 N91.

Transmission with hydraulic control "E18/2" : 

Fig 4: Identifying Pressure Control Valve 1 (-N125-) And Wiring Harness Retainers

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disconnect electrical harness connector at Transmission Input Speed (RPM) Sensor G182 - 1  -.
• Remove retaining clip - arrow A  - and unclip wiring harness from retaining clip - arrow B  -.

Installing 

Installation is in reverse order of removal, note the following:

• Connect wiring harness electrical connectors to corresponding solenoid valves and sensors.
• Clip wiring harness into intended retaining clips. If deviated, the wiring harness could be pinched when installing the valve body.
• Install valve body → Valve body, removing and installing .
• Fill ATF → 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING .