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 Automatic Transmission Fluid (ATF) in the engine.
• The valve body and the wiring harnesses can also be removed with the transmission installed.
• Install the O-rings using ATF. Other types of lubricants lead to faults in the transmission hydraulics.
• Always replace a dirty or faulty valve body.
• Only use lint free cloths
• Check the ATF level after installing the transmission fluid pan. Refer to => [ ATF Level, Checking and Filling ] Testing and Inspection.
1 Inspection Plug
• Automatic Transmission Fluid (ATF) level, checking and filling, refer to => [ ATF Level, Checking and Filling ] Testing and Inspection.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
2 Seal
• Always replace.
3 Overflow Tube
• Remove in order to drain the ATF.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
4 Transmission Fluid Pan
• Removing and installing, refer to => [ Transmission Fluid Pan ] Service and Repair.
5 Bolt
• Tighten the ATF pan bolts diagonally and in several steps.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
6 Seal
• With spacers (quantity: 8).
• Check before installing.
• Replace brittle, cracked or deformed seals.
7 Magnet
• Quantity: 2; in the depressions in the ATF pan.
• Clean before installing the pan.
8 Bolt
• For attaching the valve body to the transmission.
• Quantity 12; with different lengths, refer to => [ Bolt Lengths and Locations for the Valve Body ] Service and Repair.
• Always replace the bolts.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
9 Bolt
• Quantity: 3
• For securing the ATF filter to the valve body.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
10 Oil 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 Bracket on Valve Body ] Wire Routing, Connectors and Bracket on Valve Body.
• Allocation, refer to the Parts Catalog.
12 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
13 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
14 Transmission Input Speed Sensor (G182)
• Removing and installing, refer to => [ Transmission Input Speed Sensor G182 ] Transmission Input Speed Sensor G182.
15 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
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 ATF cooler.
18 Vent
19 Multifunction Transmission Range Switch (F125)
• Removing and installing, refer to => [ Multifunction Transmission Range Switch F125 ] Service and Repair.
• Adjusting, refer to => [ Adjusting ] Service and Repair.
20 Transmission Fluid Temperature Sensor (G93)
• Integrated inside the wiring harness - item 23 -.
• Removing and installing, refer to => [ Solenoid Valve Wiring Harness (14 Pin Connector) ] Solenoid Valve Wiring Harness (14 Pin Connector).
• Wire routing, refer to => [ Wire Routing, Connectors and Bracket on Valve Body ] Wire Routing, Connectors and Bracket on Valve Body.
21 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
22 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
23 Sensor Wiring Harness
• With an 8 pin connector.
• With an O-ring on the connector; always replace the O-ring.
• With the transmission fluid temperature sensor.
• For the transmission input speed sensor.
• For the transmission output speed sensor.
• Removing and installing, refer to => [ Sensor Wiring Harness (8 Pin Connector) ] Sensor Wiring Harness (8 Pin Connector).
• Wire routing, refer to => [ Wire Routing, Connectors and Bracket on Valve Body ] Wire Routing, Connectors and Bracket on Valve Body.
• Allocation, refer to the Parts Catalog.
24 Seal
• Always replace.
25 Plug
• Not installed on all transmissions.
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.
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.
29 Spring
• 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 Bracket on Valve Body ] Wire Routing, Connectors and Bracket on Valve Body.
• Removing and installing, refer to => [ Solenoid Valve Wiring Harness (14 Pin Connector) ] Solenoid Valve Wiring Harness (14 Pin Connector).
32 Bolt
• Tightening specification, refer to => [ Fastener Tightening Specifications ] Fastener Tightening Specifications.