My Hayward AquaVac Pool Cleaner recently stopped working. It would run for 10-20 seconds and quit. I checked for debris and free moving wheel bearings and impeller which were all fine. Only the motor was left, this is how I did it. Motor part is Hayward RCX40000DC. This fits the Aquavac as well as the TigerShark models.
This also includes how to remove and replace the wheel tracks and the impellor, although mine were fine.