Two months ago I returned home from having factory work done on my RV. After having new aluminum wheels installed with Borg stems at the factory, one of the stems was defective and needed replacing, and the front wheels could not be properly balanced. Bryan Roberts, our service advisor, could not have been more accommodating--work was performed expeditiously and correctly. We have put 2500 miles on the RV since then, and all is performing smoothly. I was particularly impressed with the technician's suggestions and recommendations for tire care and inflation. This was a relatively small service, but it highlighted this firms integrity, interest in customer support, and quality of work. I'll continue to use Diesel Works and Auto.