Hydramatic THM 200 Systematic Trouble Shooting Author:Service Dept., Hydra-matic, Div of GMC A note to the Technician: — Diagnosis is a procedure of using known facts or symptoms and logically applying this information to determine the cause of a problem. — This booklet, "THM 200 Systematic Trouble Shooting", has been prepared to serve as a useful tool by giving you the information and procedures that will assist you in the logical diagno... more »sis of THM 200 transmission problems. As with any good tool, using it increases its value and your skill as a technician.« less