R 3500 P/U 2WD V8-454 7.4L VIN W 4-bbl (1988)
FIGURE 3 - CHECKBALL LOCATIONS ON TRANSMISSIONS WITHOUT AUXILIARY VALVE BODIES
SERVICE ACTION:
When servicing any 1982 through 1987 THM 700-R4 transmission without an auxiliary valve body (Figure No. 3), the lo and reverse #5 checkball
(#55B) must be located in the control valve body.
FIGURE 1 - CHECKBALL LOCATIONS ON TRANSMISSIONS WITH AUXILIARY VALVE BODIES
When servicing any 1987 THM 700-R4 transmission produced after October 6, 1986 (Julian Date 279) the forward clutch #12 checkball must be located
in the auxiliary valve body (#55BFigure No. 1). Do not install a checkball in the control valve body.
NOTICE:
If the forward clutch #12 checkball is installed in either the valve body or over the orificed cup plug (359-Figure No. 1) in the auxiliary valve body, the
following conditions can occur:
^
Delayed N-D, P-D or R-D