It is not only a motor, they are more motors and they're serial produce.They using in the application following:climatizer and air conditioned for automotive.I will my presence a series of tests for the determination causes. The characteristic of the motor is:U=12.5V,I=19.7A,n=3450rpm,M=0.4 Nm
"Slot packing" is a deposit with graphite,copper and other impurities between the commutator bars of the motor.This deposit is possible will produce shut-down of the motor.Please, excuse me english!I'm beginner!Thank you!