Is it still on your coach? If so, how are you going to take it anyplace ... A) take it off yourself, or B) have an ERS take it off for you.
If A), I'm curious - please let us know how that goes.
If B), FWIW - I dropped our ERS after decades because they refused to service a rear dual inner flat on our motorhome (the very reason I had their ERS for our motorhome!). What ERS do you have?
2005 E450 Itasca 24V Class C