Removal - Chrysler Pacifica 2004 Service Manual

CS
VALVE BODY (Continued)
CONVERTER CLUTCH SWITCH VALVE
The main responsibility of the converter clutch
switch valve is to control hydraulic pressure applied
to the front (off) side of the converter clutch piston.
Line pressure from the regulator valve is fed to the
torque converter regulator valve, where it passes
through the valve, and is slightly regulated. The
pressure is then directed to the converter clutch
switch valve and to the front side of the converter
clutch piston. This pressure pushes the piston back
and disengages the converter clutch.
CONVERTER CLUTCH CONTROL VALVE
The converter clutch control valve controls the
back (on) side of the torque converter clutch. When
the PCM/TCM energizes or modulates the LR/CC
solenoid to apply the converter clutch piston, both
the converter clutch control valve and the converter
control valve move, allowing pressure to be applied to
the back side of the clutch.
T/C REGULATOR VALVE
The torque converter regulator valve slightly regu-
lates the flow of fluid to the torque converter.
LOW/REVERSE SWITCH VALVE
The low/reverse clutch is applied from different
sources, depending on whether low (1st) gear or
reverse is selected. The low/reverse switch valve
alternates positions depending on from which direc-
tion fluid pressure is applied. By design, when the
valve is shifted by fluid pressure from one channel,
the opposing channel is blocked. The switch valve
alienates the possibility of a sticking ball check, thus
providing consistent application of the low/reverse
clutch under all operating conditions.

REMOVAL

NOTE: If valve body is replaced or reconditioned,
the PCM Quick Learn Procedure must be per-
formed. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/TRANSMISSION
MODULE - STANDARD PROCEDURE)
NOTE: The Engine Cradle Crossmember assembly
must be partially lowered to gain access to and
remove the Valve Body assembly.
(1) Disconnect battery negative cable.
(2) Remove battery and tray (Fig. 408) (Fig. 409).
41AE/TE AUTOMATIC TRANSAXLE 21 - 169
1 - BATTERY POSITIVE CABLE
2 - THERMO-WRAP
3 - BATTERY NEGATIVE CABLE
CONTROL
1 - DRAIN HOLE/HOSE ATTACHMENT
2 - BATTERY TRAY
3 - BOLTS
Fig. 408 Battery
Fig. 409 Battery Tray