General malfunctions of the Hyundai Santa Fe automatic transmission:
Slip:
* The transmission slips when changing gears or accelerating.
Impacts and shocks:
* The transmission is hit or jostled hard when changing gears.
Switching delay:
* The transmission is delayed when changing gears or does not change gears at all.
Extraneous noise:
* Grinding, humming or vibration coming from the transmission.
Leaks:
* Transmission fluid leaking from the gearbox.
Overheat:
* The gearbox overheats and fails.
The causes of automatic transmission malfunctions can be:
* Worn friction discs
* Coked solenoids
*Low transmission fluid level
* Contaminated or burnt transmission fluid
* Damaged hydraulic plate or control module
* Malfunction of rotation speed or temperature sensors
* Clogged oil filter
* Mechanical damage inside the gearbox
Possible solutions:
* Replacement of worn parts
* Cleaning solenoids
* Replacing transmission fluid
* Checking and eliminating leaks
* Repair of hydraulic plate or control module
* Replacement of sensors
* Replacement of oil filter
* Overhaul or replacement of gearbox