Shift Groups - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

3A1-66

Shift Groups

The hydraulic control range (including shift elements), which is responsible for the pressure distribution before, during
and after a gear change, is designated a shift group.
The hydraulic system consists of 3 shift groups.
A shift group can be in two phases.
• Shift phase
• Stationary phase
In the shift phase, a change takes place in one shift group of the engaged clutch/brake. The other two shift groups are
then in the stationary phase.
Shift group C1/B1 (gear change 1-2/4-5) is responsible for the up/down shifts 1-2/2-1 and 4-5/5-4.
It includes:
• Clutch C1
• Brake B1
• Command valve
• Holding pressure shift valve
• 1-2/4-5 shift solenoid valve
• Pressure overlap control valve
• 1-2/4-5 shift solenoid valve
Shift group C2/C3 (gear change 2-3) is responsible for the up/down shifts 2-3/3-2.
It includes:
• Clutch C2
• Clutch C3
• Command valve
• Holding pressure shift valve
• 2-3 shift solenoid valve
• Pressure overlap control valve
• 2-3 shift solenoid valve
Shift group C3/B2 (gear change 3-4) is responsible for the up/down shifts 3-4/4-3 and the engagement process.
It includes:
• Clutch C3, 3-4 pressure overlap control valve
• Brake B2, 3-4 shift solenoid valve
• Brake B3
• Command valve
• Holding pressure shift valve
• 3-4 shift solenoid valve
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DC 5-SPEED AUTOMATIC TRANSMISSION
REXTON SM - 2004.4