The basic oil flow is the same for all transmissions.
The oil pump creates the fluid flow used throughout
the transmission. Fluid from the pump always goes to the
pressure-regulating valve and torque converter. From
there, the fluid is directed to the manual shift valve. When
the gear selector is moved, the manual valve directs the
fluid to other valves and to the apply devices. By
following the flow of the fluid on the oil circuit chart, you can
identify which valves and apply devices should be
operating in each particular gear selector position. Through a
process of elimination, you can identify the most
probable cause of the problem.
level and condition, leaks, and mechanical and electrical
connections. Using the oil circuits, you can trace
problems to specific valves, servos, clutches, and bands.
The basic oil flow is the same for all transmissions. The oil pump creates the fluid flow used throughout the transmission. Fluid from the pump always goes to the pressure-regulating valve and torque converter. From there, the fluid is directed to the manual shift valve. When the gear selector is moved, the manual valve directs the fluid to other valves and to the apply devices. By following the flow of the fluid on the oil circuit chart, you can identify which valves and apply devices should be operating in each particular gear selector position. Through a process of elimination, you can identify the most probable cause of the problem. level and condition, leaks, and mechanical and electrical connections. Using the oil circuits, you can trace problems to specific valves, servos, clutches, and bands.
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