Great Wall hover - Power Transmission - Locking of Automatic and Manual 3 Rd Gear

Automatic transmission-39
Power transmission locking of automatic and manual 3
rd
-Gear
When the automatic 3
rd
-Gear and manual 3
rd
-Gear is locked, the drive of transmission is basically same as that in automatic 3
rd
-
Gear. But it provide the variable torque drive without slide for the application of torque converter locking clutch.
Control:
The control for the automatic 3
rd
-Gear locking and manual 3
rd
-Gear locking is basically same as that for automatic 3
rd
–Gear. But
it should be described additionally that the automatic 3
rd
-Gear and manual 3
rd
-gear locking needs the action for variable torque
clutch loop by solenoid valve S7.
When the solenoid valve S7 is opened, the variable torque clutch control valve is closed and allow the oil feed of S7 loop pass
through the solenoid valve S7 to drainage port. It makes the control valve moves to the clutch combination position.
The loop oil from the line 500 flows into the combination part of variable torque clutch through the converter clutch control
valve through the action of variable torque clutch control valve.
The variable torque clutch release oil is drained from the variable torque clutch control valve.
The torque converter loop oil flows into the oil cooler and lubrication loop through the variable clutch control valve.
Refer to Figure 5.7 and table 5.8.
Table 5.8 Participating condition of each unit in automatic and manual 3
rd
-Gear locking
Automatic 3
rd
-Gear locking and
manual 3
rd
-gear locking
Name of participation unit