Power Flow - Manual 1 - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

Power flow - Manual 1

In Manual 1, transmission drive is via the input shaft to the
forward clutch cylinder. The elements of the trans-mission
function as follows;
• The C2 clutch is engaged to drive the forward sun gear,
via the 3-4 OWC.
• The B2 band is engaged to hold the planetary gear
carrier stationary.
• The forward sun gear drives the short pinion anti-
clockwise.
• The short pinion drives the long pinion clockwise.
• The long pinion rotating about its axis drives the inter-
nal ring gear and the output shaft in a clockwise or
forward direction.
• The C4 clutch provides engine braking through the 3-4
OWC on overrun.
Gear State
Manual 1
BTRA 4 AUTO TRANSMISSION
REXTON SM - 2004.4
Control
To maintain this arrangement in the steady state sole-
noids and valves are activated as follows;
• Solenoids S1 and S2 are switched ON.
• The 1-2, 2-3, and 3-4 shift valves are held in their first
gear positions by line 500 pressure.
• Drive (line pressure) oil from the manual valve en-gages
the C2 clutch.
• Lo-1st (line pressure) oil is routed through the 1-2 shift
valve to the C4 clutch, and to the inner apply area of
the rear servo piston for B2 band application.
ELEMENTS ENGAGED
C2 C3 C4
X - X
B1 B2 1-2
OWC
- X -
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
3A2-25
3-4 LU
OWC CLUTCH
X -
Y220_3A2360