This manual is a valuable resource for anyone interested in the repair and maintenance of passenger commercial cars. Published in 1972 by Ditzler, it provides comprehensive information on how to properly use and apply their products. The manual covers all aspects of the repair process, from identifying issues to completing repairs, and is an essential guide for anyone looking to maintain the quality of their vehicle. Whether you are a professional mechanic or a DIY enthusiast, this manual is a must-have for anyone interested in repairing and maintaining passenger commercial cars.