Pontiac FIREBIRD 1972 Service Manual page 1053

TURBO HYDRA-MATIC (M-38) TRANSMISSION
7G- 15
F R O N T G E A R S E T R E A R G E A R S E T
O U T P U T
\
LOCKED
OFF OFF OFF O N ON LOCKED
Intermediate Clutch
-
O F F
Direct Clutch
-
O F F
Forward Clutch
-
ON Low and Reverse Clutch
-
ON
Intermediate Overrun Roller Clutch
-
Locked
Low and Reverse Roller Clutch
-
LOCKED
Intermediate Overrun Band
-
O F F
Fig. 7G-1 1 Operation in Low Range - First Gear
F R O N T G E A R S E T
.
3 . , t
R E A R G E A R S E T
Intermediate Clutch
-
O F F Direct Clutch
-
ON Forward Clutch
-
O F F
Low
&
Reverse Clutch
-
ON
Intermediate Overrun Roller Clutch
-
FREE WHEELTNG Low and Reverse Roller Clutch
-
INEFFECTIVE
Intermediate Overrun Band
-
O F F
Fig. 7G-12 Operation in Reverse Range - Reverse Gear