Jeep Liberty KJ. Manual — part 1048
42RLE TRANSMISSION VERIFICATION TEST - VER 1
1.
Perform the following after completion of a diagnostic repair:
•
NOTE: After completion of the Transmission Verification Test, the Powertrain Verification Test must be per-
formed. Refer to the Engine Category.
•
Reconnect any disconnected components.
•
With the scan tool, erase all Transmission and Engine DTCs.
•
Erase DTC P0700 under engine to turn off the MIL off after completion of transmission repairs.
•
Perform *PRNDL FAULT CLEARING PROCEDURE after completion of repairs for P0706-TRANSMISSION
RANGE SENSOR RATIONALITY.
•
If the Powertrain Control Module or the Transmission has been repaired or replaced, it is necessary to perform
the scan tool Quick Learn Procedure.
•
If the Torque converter has been replaced, with the scan tool perform TCC BREAK-IN.
•
If the Powertrain Control Module or Front Control Module has been replaced you must reset the Pinion Factor
in the Front Control Module.
•
With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Tem-
perature is HOT, above 43° C or 110° F.
•
Check the transmission fluid and adjust if necessary. Refer to the Service Information for the Fluid Fill proce-
dure.
•
Road test the vehicle. With the scan tool, monitor the engine RPM. Make 15 to 20 1-2, 2-3, 3-4 upshifts.
Perform these shifts from a standing start to 45 mph with a constant throttle opening of 20 to 25 degrees.
•
With speeds below 25 MPH, make 5 to 8 wide open throttle kickdowns to 1st gear. Allow at least 5 seconds
each in 2nd and 3rd gear between each kickdown.
•
For a specific DTC, drive the vehicle to the Symptom’s When Monitored/When Set conditions to verify the DTC
is repaired.
•
If equipped with AutoStick
T
, upshift and downshift several times using the AutoStick
T
feature during the road
test.
•
NOTE: Use the OBDII task manager to run a Good Trip in each gear, this will confirm the repair and to
ensure that the DTC has not re-matured.
•
Check for any Diagnostic Trouble Codes (DTC’s) during and after the road test.
Did any Diagnostic Trouble Codes set during the road test?
Yes
>> Repair is not complete. Refer to the Transmission category and perform the appropriate symptom(s).
(Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - DIAGNOSIS AND TESTING)
No
>> Repair is complete.
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AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS
KJ
AUTOMATIC TRANSMISSION - 42RLE
TABLE OF CONTENTS
page
page
AUTOMATIC TRANSMISSION - 42RLE
THREAD REPAIR . . . . . . . . . . . . . . . . . . . . . . . . . . 251
PRESSURE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
42RLE - WITH VARIABLE LINE PRESSURE . . 315
42RLE AUTOMATIC TRANSMISSION . . . . . . . . 325
42RLE AUTOMATIC TRANSMISSION . . . . . . . . 327
ACCUMULATOR
ADAPTER HOUSING SEAL
BEARINGS
BEARING ADJUSTMENT PROCEDURES . . . . 334
BRAKE TRANSMISSION SHIFT INTERLOCK
DRIVING CLUTCHES
EXTENSION HOUSING SEAL
FLUID AND FILTER
DIAGNOSIS AND TESTING - CAUSES OF
BURNT FLUID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
FILL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
GEARSHIFT CABLE
GEARSHIFT CABLE . . . . . . . . . . . . . . . . . . . . . . . . 341
HOLDING CLUTCHES
INPUT CLUTCH ASSEMBLY
INPUT SPEED SENSOR
SENSOR-VARIABLE LINE PRESSURE
OIL PUMP
OUTPUT SPEED SENSOR
OVERDRIVE SWITCH
PARK INTERLOCK CABLE
PLANETARY GEARTRAIN
OIL PUMP SEAL
KJ
AUTOMATIC TRANSMISSION - 42RLE
21 - 237
SOLENOID-PRESSURE CONTROL
SHIFT MECHANISM
SOLENOID
SOLENOID/PRESSURE SWITCH ASSY
TORQUE CONVERTER
TRANSMISSION CONTROL RELAY
TRANSMISSION RANGE SENSOR
TRANSMISSION TEMPERATURE SENSOR
VALVE BODY
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AUTOMATIC TRANSMISSION - 42RLE
KJ
AUTOMATIC TRANSMISSION - 42RLE
DESCRIPTION
KJ
AUTOMATIC TRANSMISSION - 42RLE
21 - 239
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