Valve Body Overview
Valve Body Overview
Do not run the engine or tow the vehicle when the transmission fluid pan is removed or when there is no transmission fluid in the transmission.
• The valve body and the wiring harnesses can also be removed with the transmission installed.
• Install the O-rings using transmission fluid. Other types of lubricants can lead to faults in the transmission hydraulics.
• Always replace a dirty or faulty valve body.
• Only use lint free cloths
• Check the fluid level after installing the transmission fluid pan. Refer to => [ Transmission Fluid Level, Checking and Filling ] Transmission Fluid Level, Checking and Filling.
1 Transmission Fluid Inspection Plug
• Transmission fluid level, checking and filling. Refer to => [ Transmission Fluid Level, Checking and Filling ] Transmission Fluid Level, Checking and Filling.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
2 Seal
• Always replace.
3 Overflow Tube
• Remove in order to drain the transmission fluid.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
4 Transmission Fluid Pan
• Removing and installing, refer to => [ Transmission Fluid Pan ] Service and Repair.
5 Bolt
• Tighten the pan bolts diagonally and in several steps.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
6 Gasket
• With spacers (Qty: 8).
• Check before installing
• Replace brittle, cracked or deformed gaskets.
7 Magnet
• Quantity: 2, in depressions in the pan.
• Clean before installing the pan.
8 Bolt
• For securing the valve body to the transmission.
• Quantity 12, with different lengths, refer to => [ Bolt Lengths and Locations on the Valve Body ] Service and Repair.
• Always replace the bolts.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
9 Bolt
• Quantity: 3
• For securing the filter to the valve body.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
10 Fluid Filter
• Removing and installing, refer to => [ Transmission Fluid Filter ] Service and Repair.
11 Valve Body
• Removing and installing, refer to => [ Valve Body ] Service and Repair.
• For the correct solenoid valve designation refer to => [ Wire Routing, Connectors and Valve Body Bracket ] Wire Routing, Connectors and Valve Body Bracket.
• For the correct allocation, refer to the Parts Catalog.
12 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
13 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
14 Transmission Input Speed Sensor (G182)
• Removing and installing, refer to => [ Transmission Input Speed Sensor (G182) ] Transmission Input Speed Sensor.
15 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
16 Transmission Output Speed Sensor (G195)
• Removing and installing, refer to => [ Transmission Output Speed Sensor (G195) ] Transmission Output Speed Sensor (G195).
17 Transmission Housing
• Illustrated here without the transmission fluid cooler.
18 Vent Cap
19 Multifunction Transmission Range Switch (F125)
• Removing and installing, refer to => [ Multifunction Transmission Range Switch (F125) ] Service and Repair.
• Adjusting, refer to => [ Multifunction Transmission Range Switch (F125), Adjusting ] Adjustments.
20 Transmission Fluid Temperature Sensor (G93)
• Integrated in the sensor wiring harness item 23.
• Wire routing, refer to => [ Wire Routing, Connectors and Valve Body Bracket ] Wire Routing, Connectors and Valve Body Bracket.
• Removing and installing, refer to => [ Wiring Harness, with 8 Pin Connector ] Wiring Harness, with 8 Pin Connector.
21 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
22 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
23 Sensor Wiring Harness
• With a 8 pin connector.
• With a O-ring on the connector; always replace the O-ring.
• With the transmission fluid temperature sensor.
• For the transmission input speed sensor and the transmission output speed sensor.
• Wire routing, refer to => [ Wire Routing, Connectors and Valve Body Bracket ] Wire Routing, Connectors and Valve Body Bracket.
• Removing and installing, refer to => [ Wiring Harness, with 8 Pin Connector ] Wiring Harness, with 8 Pin Connector.
• For the correct allocation, refer to the Parts Catalog.
24 Seal
• Always replace, if equipped.
25 Transmission Fluid Drain Plug
• Not installed on all transmissions.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
26 Shift Lever
• For the shift shaft.
• Inside, on the valve body.
• Removing and installing, refer to => [ Valve Body ] Service and Repair.
27 Washer
28 Nut
• Installed position: The centering collar faces the washer item 27.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.
29 Spring
• For the correct allocation, refer to the Parts Catalog.
30 Piston
31 Solenoid Valve Wiring Harness
• With a 14 pin connector.
• With an O-ring on the connector; always replace the O-ring.
• Solenoid valve installed location and wiring harness routing, refer to => [ Wire Routing, Connectors and Valve Body Bracket ] Wire Routing, Connectors and Valve Body Bracket.
• Removing and installing, refer to => [ Wiring Harness, with 14 Pin Connector ] Wiring Harness, with 14 Pin Connector.
32 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications - Gears, Hydraulic Controls.