Looking for owners manual 2007 Sonoma

our best bet is to search for owners manuals for each appliance on the manufacturers websites for maintenance and repair questions.  An actual owner's manual for your rig will probably be hopeless unless you find another owner of the same camper who has theirs.  Thor is just a big conglomerate who buys up competitors and then destroys their quality controls by forcing their cost cutting measures that return more profit to them while making garbage rigs.