My sled is under warranty. I took it to the local dealer to have them look at it since it overheated quite a few times last trip. They bled the coolant system, test drove it and said there's nothing wrong with it. They want to charge me an hour for labor. Can they actually charge me? I thought since its under warranty, and theres an issue, ski-doo should be paying that bill. It's an 800 renegade.