Page 60 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)
P. 60
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
FLUID PUMP
ROTOR (217)
(2)
(WITH FLUID PUMP)
TORQUE CONVERTER
HOUSING ASSEMBLY
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
Fluid Coupling Drives the Turbine
of fluid throughout the transmission.
(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.
As the torque converter turbine rotates, the turbine shaft (56),
which is splined to the torque converter turbine, is also forced to
engine through the torque converter to the turbine shaft is
identical in all gear ranges except when the torque converter
clutch is applied (see pages 14 and 15 for complete explanation
NOTE: To minimize the amount of repetitive text, the
remaining mechanical power flow descriptions will begin
with the turbine shaft (56). The transfer of torque from the
requires a holding force to be applied to the clutches during
the various gear range operations. The torque converter (w/
requires a constant supply of pressurized fluid to cool and
lubricate all of the components throughout the unit. It also
Torque from the engine is transferred to the transmission through
The fluid pump rotor (217) is keyed to the torque converter hub.
fluid pump) housing assembly (2) and the control valve body
assembly (21) provide for the pressurization and distribution
The Hydra-matic 6 Speed RWD automatic transmission
begins at the point of connection between the torque converter
and the engine flywheel. When the engine is running, the
Transmission fluid inside the torque converter (1) creates a fluid
The mechanical power flow in the Hydra-matic transmission
torque and transmits it to the turbine shaft (56). The turbine
shaft provides the primary link to the mechanical operation of
torque converter cover (pump) is forced to rotate at engine
speed. As the torque converter rotates it multiplies engine
50A