In some cases, problems with an automatic control system appear, which forces us to effect replacement of the central unit and power cables. The necessity of major repairs doesn’t appear with mileage less than 250.000 miles. Thanks to its relatively simple construction, the A604 automatic transmission appeared dependable and long-lasting. You don’t need to repair A604 40TE/41TE as long as you are using qualitative oil. Also, automation coordinated the solenoids opening degree. Automatic system determined the oil pressure and its temperature. The valve body with fully electronic solenoids stands for greasing of the movable elements of transmission. Thanks for computer control the gearbox could adjust to the drivers driving manner. In fact, A604 AT became the first automatic transmission with fully automatic hydraulics control. ATSG also has available an “Update Handbook” which includes the many changes and is required along with this manualfor a proper overhaul or repair.Information about transmission A604, 40TE/ 41TEĪ 604 AT was installed on such cars as Chrysler Voyager and Dodge Caravan. Note: There have been many engineering changes in this transaxle since its introduction in 1989. This booklet is designed to provide you with the procedures necessary to service, overhaul or repair the A604 transaxle. Through a variety of different fault codes the technician will be able to diagnos the cause of the malfunction, and repair the concern. The electronic system is designed to abort the transaxle to second gear if a transaxle problem is detected, however you will still have reverse, park and neutral, which will allow the operator to “Limp” home. This unit contains no bands or freewheel devices and shifts from clutch to clutch, which requires very precise programming of the onboard transaxle controller. Chrysler A604 Transmission Repair Manual – ATSG PDF. ATSG Chrysler A604 Transmission Repair Manual. The A604 electronic controlled automatic overdrive transaxle has some very unique features.
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