
1978 to 1985 Diesel VCV ( Vacuum Control Valve ) Internal Inspection and Service Kit
The VCV valve controls the critical shifting patterns of most diesel automatic transmissions from 1978 to 1985. This includes the 1978 to 1985 300SD, the 1980 to 1985 W123 300D, 300CD and 300TD and the 1980 to 1983 240D.