Chrysler Town, Dodge Caravan. Manual — part 1030
Symptom:
*INCORRECT TRANSMISSION FLUID LEVEL
POSSIBLE CAUSES
INCORRECT FLUID LEVEL
TEST
ACTION
APPLICABILITY
1
The transmission must be above 70 degree F. prior to checking fluid level. Adjusting
fluid level on a cold transmission will result in an overfilled transmission.
Check the transmission fluid level per the service information.
Is the fluid level OK?
All
Yes
→ Test Complete.
No
→ Adjust fluid level and inspect the Transmission and cooler lines
for any leaks and repair as necessary.
156
TRANSMISSION - EATX
Symptom:
*NO SPEEDOMETER OPERATION
POSSIBLE CAUSES
NO SPEEDOMETER OPERATION
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, under Transmission, check the pinion factor setting.
Is the pinion factor missing or set incorrectly?
All
Yes
→ One possible cause is the pinion factor is not set or is set
incorrectly in the TCM.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No
→ Test Complete.
157
TRANSMISSION - EATX
Symptom:
*PRNDL FAULT CLEARING PROCEDURE
POSSIBLE CAUSES
PRNDL FAULT CLEARING PROCEDURE
.
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, erase Transmission DTCs.
Cycle the ignition off, then start the vehicle.
Firmly apply the brakes and shift into Overdrive.
NOTE: Vehicle must remain in Overdrive for at least 3.0 seconds.
With the brakes firmly applied, shift slowly through all gears (PRNDL) as least three
times, pausing momentarily in each gear.
NOTE: If all the PRNDL lights box individually then the error was cleared.
Shift into park and turn the ignition off to the lock position.
Ignition on, engine not running.
With the DRBIII
t, read Transmission DTCs.
Does the DTC P0706 reset, or do all the PRNDL indicators remain boxed in park or
neutral?
All
Yes
→ Return to the symptom list and perform diagnostics for P0706
CHECK SHIFTER SIGNAL.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No
→ Test Complete.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
158
TRANSMISSION - EATX
Symptom:
*TRANSMISSION NOISY WITH NO DTC’S PRESENT
POSSIBLE CAUSES
INCORRECT FLUID LEVEL
INTERNAL TRANSMISSION PROBLEM - NOISY
INTERNAL TRANSMISSION PROBLEM - NOISY WHILE STANDING STILL
TEST
ACTION
APPLICABILITY
1
Check the Transmission Fluid Level per the Service Information.
Is the fluid level OK?
All
Yes
→ Go To 2
No
→ Adjust fluid level and repair cause of incorrect fluid level.
2
Place vehicle on hoist.
WARNING: BE SURE TO KEEP HANDS AND FEET CLEAR OF ROTATING
WHEELS.
Run vehicle on hoist under conditions necessary to duplicate the noise.
NOTE: It may be necessary to test drive the vehicle to duplicate the noise.
Using Chassis Ears or other suitable listening device, verify the source of the noise.
Is the noise coming from the transmission?
All
Yes
→ Go To 3
No
→ Test Complete.
3
With the shift lever in neutral, raise the engine speed and listen to the noise.
NOTE: THE RADIO MUST BE TURNED OFF. Alternator noise can come
through the speakers and be misinterpreted as Transmission Pump Whine.
This can happen even with the volume turned down.
Does the noise get louder or change pitch while the engine speed is changing?
All
Yes
→ Go To 4
No
→ Go To 5
4
If there are no possible causes remaining, view repair.
All
Repair
Repair internal transmission problem as necessary. Inspect all of
the transmission components for signs of wear. If no problems
found, replace the Transmission oil pump..
5
If there are no possible causes remaining, view repair.
All
Repair
Repair internal transmission problem as necessary. Inspect all of
the transmission components for signs of wear. Pay particular
attention to bearings, pinion gears, etc. Repair or replace as
necessary.
159
TRANSMISSION - EATX
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