The possible list of measures for checking or repairing an automatic gearbox is very limited on its own. Usually qualified help is needed as soon as possible. The following are only the simplest recommendations that can help identify the problem or even eliminate it.
In the event of a malfunction, the first thing to do is to check the ATF level in the gearbox. The verification procedure is described below.
The switching points can be checked during a test drive. Evaluation of the switching process is only possible at a stable idling speed.
Proper adjustment of the control system located between the gearbox and the fuel supply control drive is the key to the accurate operation of the gearbox. We recommend entrusting this work to professionals at the service station.
The measurement of operating and control pressures, as well as modulation pressures, is a task for specialists, some pressures can be adjusted.