If they dissolved they would plug up the fuel filter.
Air conditioning compressors that sit unused for a long time or run low on oil may lock up. The moving parts in the compressor motor will become tight and hard to move.
Seek the help of a trusted mechanic to see why it locked up.
is the connector plate the same
Window motor
You burn up the motor.
It could be a little switch in the door that just needs to be flipped
The shaft locks when power not applied.
get the key silly
The engine could be locking due to piston pressure. If the spark plugs are removed and the engine still locks, then something internal has broken and the engine needs to be inspected to see what snapped.
Yes, if you drive with the power steering empty of fluid and the motor locks up, it can actually rip the belt from the motor. You can damage belts and the steering motor if you drive with the power steering empty.
set the pitch on the motor there should be a pen that locks it in place