Dodge Caliber. Manual — part 1248
DRIVE POWERFLOW
When the forward clutch is engaged, the driving force from the engine rotates the sun gear normally through the
forward clutch.
Therefore, the primary pulley is rotated normally and the driving force is outputted in the normally rotated direction.
Fig. 4 DRIVE
1 - REVERSE BRAKE (RELEASED)
2 - FORWARD CLUTCH (ENGAGED)
PM
AUTOMATIC - CVT-SERVICE INFORMATION
21 - 291
SHIFT LOW TO HIGH - PHASE 1
When the line pressure circuit is closed by the ratio control valve, the line pressure is not applied to the primary
pulley.
When the secondary valve moves downwards, line pressure is applied to the secondary pulley.
Fig. 5 SHIFT LOW TO HIGH
1 - PULLEY RATIO LINKAGE
5 - SECONDARY VALVE
2 - STEPPER MOTOR
6 - SECONDARY PULLEY
3 - RATIO CONTROL VALVE
7 - PRIMARY PULLEY
4 - LINE PRESSURE
21 - 292
AUTOMATIC - CVT-SERVICE INFORMATION
PM
SHIFT LOW TO HIGH - PHASE 2
The pulley ratio linkage moves to the left direction of the stepper motor. The line pressure circuit opens due to the
movement of the ratio control valve which links to the pulley linkage, and line pressure is applied to the primary
pulley.
The secondary valve moves to open and fluid in the secondary pulley is drained.
Fig. 6 SHIFT LOW TO HIGH 2
1 - PULLEY RATIO LINKAGE
5 - SECONDARY VALVE
2 - STEPPER MOTOR
6 - SECONDARY PULLEY
3 - RATIO CONTROL VALVE
7 - PRIMARY PULLEY
4 - LINE PRESSURE
PM
AUTOMATIC - CVT-SERVICE INFORMATION
21 - 293
SHIFT LOW TO HIGH - PHASE 3
By applying line pressure to the primary pulley, the sliding element moves to the right direction and the steel belt is
pushed outside.
By actuating the “moving-pulley” of the primary pulley to the right direction, the ratio control valve starts to move to
the right direction through the pulley ratio linkage which is driven by the sliding element.
Fig. 7 SHIFT LOW TO HIGH 3
1 - PULLEY RATIO LINKAGE
5 - SECONDARY VALVE
2 - STEPPER MOTOR
6 - SECONDARY PULLEY
3 - RATIO CONTROL VALVE
7 - PRIMARY PULLEY
4 - LINE PRESSURE
21 - 294
AUTOMATIC - CVT-SERVICE INFORMATION
PM
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