Grand Caravan FWD V6-181 3.0L SOHC (1993)
Band Apply Servo: Customer Interest
A/T - 31TH, Harsh 2-3 Upshifts/3-2 Gear Kickdown
NO: 21-17-95
GROUP: Transmission
DATE: Sep. 29, 1995
SUBJECT:
Transmission Shift Quality
Improvement - 31TH Transaxle
MODELS:
1990 - 1995 (AS) Town & Country/Caravan/Voyager
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH 3.0L ENGINES AND 31TH AUTOMATIC TRANSMISSION.
SYMPTOM/CONDITION:
Harsh 2-3 upshifts, harsh 3-2 kickdown, harsh 1-2 upshifts and/or neutral to reverse shifts.
DIAGNOSIS:
Using the Mopar Diagnostic System or the Scan Tool (DRB III) with the appropriate diagnostic procedure manual, verify that all engine systems are
functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order for future reference and repair as necessary. If
no codes are present and all systems are functioning correctly, proceed with the following repair.
Check transaxle fluid level, throttle pressure linkage and shift linkage for proper function and operation. If the fluid level is correct and the linkages are
operating correctly, perform the Repair Procedure.
PARTS REQUIRED:
1
4612923
Spring, Throttle Pressure Linkage Return
1
4612931
Lever, Transmission Throttle Pressure
1
4612843
Rod, Transmission Throttle Pressure
1
6026776
Clip, Linkage To Throttle Body Stud
1
4269649
Filter, Transaxle Oil
1
4773546
Package, Transmission Shift Improvement
Consists Of:
1
4659331
Kickdown Spring
1
4659332
Accumulator Spring
1
4659179
Low/Reverse Servo Assembly
1
3743650
Accumulator Piston
REPAIR PROCEDURE:
This repair involves the replacement of the kickdown servo spring, accumulator spring, reverse servo cushion spring, the accumulator piston, throttle
pressure linkage rod, transmission lever and return spring with revised parts.
1.
Record the radio station presets and disconnect the battery cables.
2.
Remove the battery and battery tray assembly.
