TM10-3930-660-20 9-6. TRANSMISSION  DISCONNECT  MASTER  CYLINDER ASSEMBLY - REPLACE This task covers: a. Removal b. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Cotter  Pin  (4) Lockwashers  (9) Cap and Plug Set Equipment  Condition Vehicle parked on level ground. The transmission disconnect master cylinder assembly is located under the cab. 1. DISCONNECT HYDRAULIC HOSE (1) AND ADAPTER (2) FROM TRANSMISSION DISCONNECT  MASTER  CYLINDER  ASSEMBLY (3) . PLUG OPEN HOLES ON MASTER CYLINDER ASSEMBLY (3) AND HOSE (l). 9-14