ATSG FORD 4R100 Manual page 31

Technical Service Information
4R100 LOWER VALVE BODY
"PTO" MODELS ONLY
EXHAUST PASSAGE
ADDED FROM COAST
CLUTCH VALVE TO
3-4 SHIFT VALVE
I.D.-ROUGH FORGING
NUMBER OF "RF-F8" WHICH
INDICATES "98"
Figure 33
AUTOMATIC TRANSMISSION SERVICE GROUP
Copyright © 2003 ATSG
31