Welcome Ted to the Newmar forum & irv2.
Your coach on the W-24 was a upgraded from W-22 with a much improved braking system and Allison trans. Have not been many complaints in the
Workhorse forum.
Workhorse Service Reviews
As for the Dealer
Independence they have had good reviews also.
Just what has been going on when you had the
PDI list were all the problem in writing and was the followups within the warranty period.
Here
is a thread that may help you realize your not along when things are sometimes not right.