A/T - ATX Valve Body Check Ball Location
Service Information Letter # 88-26Date: July 1988
Subject: 87 FORD ATX
VALVE BODY CHECKBALL LOCATION
1987 Ford ATX Valve body assemblies will have a checkball at the center location in the valve body. This is an orifice control check ball in the D-2 passage leading to the 1-2 capacity modulator valve.
Note:
It is still recommended to omit the # 2 checkball from all ATX valve bodies.