ATSG FORD 4R100 Manual page 29

Technical Service Information
"LOWER SIDE" 4R100 MAIN VALVE BODY
"PTO" MODELS ONLY
LOW/REVERSE
CLUTCH
AUTOMATIC TRANSMISSION SERVICE GROUP
NUMBER OF "RF-F8" WHICH
Figure 31
I.D.-ROUGH FORGING
INDICATES "98"
PASSAGE ADDED
LEADING TO THE
EXHAUST IN THE
LOWER VALVE BODY
LOW/REVERSE
PASSAGE RE-MOVED
FROM SPRING SIDE
OF 3-4 SHIFT VALVE
Copyright © 2003 ATSG
29