Horizon used to be great about servo repairs. Now as most are saying they are declining motor failures, at least on the HVS. They told me too many people were sending them in, doesn't seem too logical to stop repairing because too many people are sending them in but what can you do. This was also with two different techs, first one with Rick second, not sure but they said they had a recent change in repair policy for motor failures.
I had to have a local team driver at the time send mine in, then argue for a few hours until he talked to some type of rep for the east coast or something. Finally got new ones back and sold them, good riddens.
Hitec warrantys as people say are great, no issues with them. Free repairs on my servos.
KO Propo, another great company, they do make you pay for the repair which is fine by me. Usually under $20 for repairs and they pick up their phones right away. I wish JR would take a page of their book and instead of declining, they should start charging at cost what it takes to make the repair like KO.