Page 59 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

50

1
3
THE ENGINE
POWER FROM
FLUID COUPLING
DRIVES THE TURBINE

(1)
ASSEMBLY
TORQUE CONVERTER

SPLINED TO
SPLINED TO
TURBINE ASSEMBLY
TORQUE CONVERTER
STATOR ASSEMBLY
(56)
TORQUE CONVERTER
4-5-6
CLUTCH
Figure 45
ASSEMBLY
ROTOR
KEYED TO
(TURBINE SHAFT)
MECHANICAL POWERFLOW FROM
FLUID PUMP
(Engine Running)
4
TURBINE
SHAFT DRIVEN
THE
2
POWER TO
TO THE TURBINE SHAFT
DRIVE FLUID PUMP
2a
DRIVEN
ROTOR (217)
FLUID PUMP
(2)
(WITH FLUID PUMP)
HOUSING ASSEMBLY
TORQUE CONVERTER
TORQUE CONVERTER

2
1
3
4

the transmission.

rotate at turbine speed.
Turbine Shaft Driven
of torque converter apply.
Power from the Engine
Power to Drive the Fluid Pump
of fluid throughout the transmission.
Fluid Coupling Drives the Turbine
(Engine Running)

THE TURBINE SHAFT

THE TORQUE CONVERTER TO
coupling which in turn drives the torque converter turbine.
Therefore, the fluid pump rotor also rotates at engine speed.
MECHANICAL POWERFLOW FROM
the engine flywheel which is bolted to the engine crankshaft.
torque converter cover (pump) is forced to rotate at engine
begins at the point of connection between the torque converter
speed. As the torque converter rotates it multiplies engine
engine through the torque converter to the turbine shaft is
The Hydra-matic 6 Speed RWD automatic transmission
fluid pump) housing assembly (2) and the control valve body
torque and transmits it to the turbine shaft (56). The turbine
shaft provides the primary link to the mechanical operation of
identical in all gear ranges except when the torque converter
clutch is applied (see pages 14 and 15 for complete explanation
with the turbine shaft (56). The transfer of torque from the
remaining mechanical power flow descriptions will begin
NOTE: To minimize the amount of repetitive text, the
the various gear range operations. The torque converter (w/
requires a holding force to be applied to the clutches during
lubricate all of the components throughout the unit. It also
The fluid pump rotor (217) is keyed to the torque converter hub.
Torque from the engine is transferred to the transmission through
assembly (21) provide for the pressurization and distribution
Transmission fluid inside the torque converter (1) creates a fluid
As the torque converter turbine rotates, the turbine shaft (56),
which is splined to the torque converter turbine, is also forced to
requires a constant supply of pressurized fluid to cool and
and the engine flywheel. When the engine is running, the
The mechanical power flow in the Hydra-matic transmission
50A