Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1990SUNDANCE BASE, 2D HATCHBACK, 2.5 J, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - A-604/41TE & 41AETESTING - NON-ELECTRONICROAD TEST
1990 Plymouth Sundance Base, 2D Hatchback, 2.5 J, Automatic
Road Test
1990 Plymouth Sundance Base, 2D Hatchback, 2.5 J, AutomaticSECTION Road Test
- Ensure shift linkage or cable is properly adjusted and fluid level and condition are okay. Add fluid and adjust shift linkage or cable as needed.
- Road test vehicle, operating transaxle in each gear position. Check for slipping or any variation in shifting.
- If vehicle operates properly at highway speeds but has poor acceleration, torque converter stator clutch may be slipping. If acceleration through all gears is normal, but high throttle opening is required to maintain highway speeds, torque converter stator clutch may be seized. Torque converter must be replaced if stator clutch is defective.
- In most cases, the clutch that is slipping can be determined by noting transaxle operation in all gear positions and noting which clutches are applied. See Fig 1 .
- Process of elimination can be used to detect any unit which slips and to confirm proper operation of good units. Although road test analysis can usually diagnose slipping units, the actual malfunction usually cannot be decided. Practically any condition can be caused by leaking hydraulic circuits or sticking valves.
NOTE:
If torque converter is replaced or Transaxle Control Module (TCM) is changed from one vehicle to another, proper procedure must be used to reset the break-in procedure in TCM for the Electronically Modulated Converter Clutch (EMCC) in torque converter to prevent shudder during clutch engagement. Perform EMCC reset procedure. Refer to EMCC RESET PROCEDURE
under TORQUE CONVERTER.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.