Transmissions: Automatic Transmissions: Flow Control

Gear position 1	When gear lever position 1 is selected, the manual valve directs fluid at line pressure to the front clutch and to the rear band servo.
1-2 shift valve	The 1-2 shift valve has a lower valve section and an upper section plug and spring.
2-3 shift valve assembly	The 2-3 shift valve assembly consists of the shift valve, its spring and a throttle pressure regulating plug.
The servo orifice control valve	The servo orifice control valve is a shuttle valve which can be positioned at rest by a spring or can be moved by governor pressure.
3-2 kickdown	Governor pressure determines whether or not a 3-2 kickdown downshift can be made.

Topic	Summary