Jeep 1979 CJ-5 Technical & Service Manual page 409

20-14
AUTOMATIC TRANSMISSION
STEP
SEQUENCE RESULT
6
S T A R T E N G I N E
LESS T H A N 1 3 " OR V A C U U M REPAIR LEAK
RESPONDS SLOWLY TO OR RESTRICTION
T H R O T T L E C H A N G E IN V A C U U M HOSE,
PIPE, OR F I T T I N G
S H I F T L E V E R
IN " P "
R E A D GAGE W H I L E
M O V I N G T H R O T T L E
L I N K A G E
MORE T H A N 1 3 " A N D
V A C U U M RESPONDS Q U I C K L Y
TO T H R O T T L E CHANGE
APPLY V A C U U M A N D
W A T C H FOR M O V E M E N T
OF PLUNGER
PLUNGER MOVES
A T LESS T H A N
8 " OR MORE
T H A N 2 0 " V A C U U M
PLUNGER MOVES
BETWEEN 8 " A N D
2 0 " V A C U U M
CHECK FOR STUCK
M O D U L A T O R V A L V E
IN TRANSMISSION
M O D U L A T O R V A L V E
OK
CONNECT T A C H A N D
O I L PRESSURE
GAGE
RAISE V E H I C L E
WHEELS O F F
FLOOR
S T A R T ENGINE S H I F T TO
" D R I V E "
DISCONNECT
A N D PLUG
M O D U L A T O R
HOSE
9 0 1 7 3 B