2002 CHRYSLER CARAVAN Service Manual

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Page 1673 of 2399

CHRYSLER CARAVAN 2002 Service Manual When the ignition key is in either the OFF,
ON/RUN, or START positions, the BTSI solenoid is
energized, and the solenoid plunger hook pulls the
shift lever pawl into position, prohibiting the shift
le

Page 1674 of 2399

CHRYSLER CARAVAN 2002 Service Manual DIAGNOSIS AND TESTING - BRAKE/
TRANSMISSION SHIFT INTERLOCK SOLENOID
For intended BTSI system operation, refer to the
following chart:
ACTION EXPECTED RESPONSE
1. Turn key to the9OFF9
position.1. Shif

Page 1675 of 2399

CHRYSLER CARAVAN 2002 Service Manual (6) Remove two (2) solenoid-to-column screws (Fig.
217).
(7) Remove solenoid.
INSTALLATION
(1) Place interlock solenoid into position ensuring
hook on end of solenoid plunger engages gearshift
lever p

Page 1676 of 2399

CHRYSLER CARAVAN 2002 Service Manual (5) Install instrument panel lower silencer (Fig.
221).
(6) Connect battery negative cable.
(7) Verify proper shift interlock system operation.
(Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO-
MATIC - 31TH

Page 1677 of 2399

CHRYSLER CARAVAN 2002 Service Manual INSTALLATION
(1) Install plug and spring as shown in (Fig. 223).
(2) Install torque converter clutch solenoid to valve
body (Fig. 223) and torque screws to 5 N´m (45 in.
lbs.).
(3) Install valve body

Page 1678 of 2399

CHRYSLER CARAVAN 2002 Service Manual (4) Disconnect cable from throttle valve lever at
transaxle (Fig. 225).
(5) Disconnect cable retainer at transaxle bracket
(Fig. 225).
INSTALLATION
(1) Install throttle valve cable to bracket at trans

Page 1679 of 2399

CHRYSLER CARAVAN 2002 Service Manual ADJUSTMENTS
THROTTLE VALVE LINKAGE ADJUSTMENT
The throttle valve linkage adjustment is very
important to proper transaxle operation. This adjust-
ment positions a valve which controls shift speed,
shi

ADJUSTMENTS
THROTTLE VALVE LINKAGE ADJUSTMENT
The throttle valve linkage adjustment is very
important to proper transaxle operation. This adjust-
ment positions a valve which controls shift speed,
shift quality, and part throttle downshift sensitivity.
If the setting is too short, early shifts and slippage
between shifts may occur. If the setting is too long,
shifts may be delayed and part throttle downshifts
may be very sensitive.
LINKAGE ADJUSTMENT PROCEDURE
(1) Perform transaxle throttle valve linkage
adjustment while engine is at normal operating tem-
perature.
(2) Using small screwdriver, disengage adjustment
lock at transaxle.
(3) Rotate lever at transaxle all the way to the left
side of vehicle against stop.
(4) Slide cable adjuster until cable core end
touches clip at throttle valve lever.
(5) Press adjuster lock (Fig. 228) to retain setting.
TORQUE CONVERTER
DESCRIPTION
The torque converter (Fig. 229) is a hydraulic
device that couples the engine crankshaft to the
transmission. The torque converter consists of an
outer shell with an internal turbine, a stator, an
overrunning clutch, an impeller and an electronically
applied converter clutch. The converter clutch pro-
vides reduced engine speed and greater fuel economy
when engaged. Clutch engagement also provides
reduced transmission fluid temperatures. The con-
verter clutch engages in third gear. The torque con-
verter hub drives the transmission oil (fluid) pump.
The torque converter is a sealed, welded unit that
is not repairable and is serviced as an assembly.
CAUTION: The torque converter must be replaced if
a transmission failure resulted in large amounts of
metal or fiber contamination in the fluid. If the fluid
is contaminated, flush the fluid cooler and lines.
Fig. 228 Throttle Valve Cable Adjustment Lock
1 - ADJUSTER LOCK
Fig. 229 Torque Converter Assembly
1 - TURBINE
2 - IMPELLER
3 - HUB
4-STATOR
5 - CONVERTER CLUTCH DISC
6 - DRIVE PLATE
21 - 122 31TH AUTOMATIC TRANSAXLERS
THROTTLE VALVE CABLE (Continued)
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Page 1680 of 2399

CHRYSLER CARAVAN 2002 Service Manual IMPELLER
The impeller (Fig. 230) is an integral part of the
converter housing. The impeller consists of curved
blades placed radially along the inside of the housing
on the transmission side of the co

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