Original Set of 1966-67 Oldsmobile Service Guild Training Manual Bulletins. These Technical Service Bulletins were sent to Dealers to educate Service Staff on Car Models, Components, Troubleshooting, and Repair Procedures. The Mechanics used these along with the Shop Manuals to service and repair your car. This is not the full set of bulletins from this period but is a large selection of them. They are in an original binder. They are in good condition with minor wear and soiling [see photos]. Very hard to find and informative tool for the Oldsmobile Owner or Collector.