Step Three - If you are still not satisfied, present the entire matter in writing or by phone to the Home Office:
Diesel Operations - J. E. Fisher, Manager Customer Services, Detroit Diesel Allison, 13400 W. Outer Drive, Detroit,
Michigan 48228, Phone (313) 592-5608.
Canada Operations - E. A. Kobe, Manager of Product Service, Diesel Division, General Motors of Canada, Ltd., P.O.
Box 5990, 847 Highbury Avenue, London, Ontario N6A 4L6, Phone (519) 455-7110.
The inclusion of all pertinent information will assist the Home Office in expediting the handling of the matter. If an
additional review by the Home Office of all the facts involved indicates that some further action can be taken, the
Regional Office will be so instructed.
If at this point your problem is still not resolved to your satisfaction, call or write: H. F. Wooster, Service Manager, Diesel
Operations (313) 592-7279; D. F. Downham, Sales Manager, Diesel Operations (313) 592-7276.
When contacting the Regional or Home Office, please keep in mind that ultimately your problem will likely be resolved at
the distributorship or dealership utilizing their facilities, equipment and personnel. Therefore, it is suggested that you
follow the above steps in sequence when, experiencing a problem.
Your purchase of a Detroit Diesel engine is greatly appreciated and it is our sincere desire to assure complete