Bye bye blower motor.
It became a roaring tiger yesterday driving around town. Going through bumpy roads activated this one. The sound disappeared when you increase the fan speed to max or switch it off.
Comes back with the bumps. lol
Got this fixed at Beng Lee A/C Sg Dua next to the vet clinic.
They found the "blower resistor" in a possible bad state. 2 pin have melted some plastic. I think this is the PCB for the variable speed drive for the blower motor. On a long shot I was hoping thing might be causing electrical noise that is causing the knocking but tough luck.
Damage to today RM455
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