I would be screaming mad at the dealer for not fixing it... Now call him and give him the option of sending a tech out to replace the water pump or paying your fuel and time to haul the trailer back to him.
(OK don't scream at the dealer that wont get you anywhere just let him know how upset you are)
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12