Table of Contents
Advertisement
-
TURBO HYDRA-MATIC 400 AUTOMATIC TRANSMISSION
7A4-13
1
FRONT SERVO & ACCUMULATOR-
OIL RINGS AND/OR BORES LEAKING OR
FRONT SERVO PISTON COCKED OR STUCK.
I
BROKEN, BURNED (CHECK FOR CAUSE). NOT
ENGAGED ON ANCHOR PIN AND/OR
I
CHECK OUTSIDE MANUAL LINKAGE & CORRECT
I
I
I
INTERNAL LINKAGE-
MANUAL VALVE DISCONNECTED OR END
BROKEN, INSIDE DETENT LEVER PIN BROKEN.
I
TRANS. LUBE PRESSURE LEAKING INTO
P O O R
C O N N E C T I O N S ,
INOPERATIVE, SHORTED WIRE,
OPEN
WIRE,
VALVE
STUCK,
I
I
CONTROL VALVE ASSY-
I
CHECK DETENT VALVE TRAIN
I
I
I
CASE ASSEMBLY-
1
LO-REVERSE CHECK BALL MlSPOSlTlONED OR
MISSING. CASE DAMAGED AT LO-REVERSE
CHECK BALL AREA.
REAR SERVO-
OIL SEAL RING, BORE OR PISTON DAMAGED
REAR BAND APPLY PIN SHORT,
REAR BAND-
BROKEN, BURNED (CHECK FOR CAUSE) NOT
ENGAGED ON ANCHOR PINS AND/OR
SERVO PIN.
I
RELEASE FROMPARK
I
I
CHECK OUTSIDE MANUAL LINKAGE &
CORRECT^
I
I
INTERNAL LINKAGE-
1. PARKING BRAKE ROD' ASSY. (CHECK ACTUATOR
FOR CHAMFER).
2. PARKING PAWL BROKEN, CHAMFER OMITTED.
3. PARKING BRAKE BRACKET LOOSE, BURR OR
ROUGH EDGES, OR INCORRECTLY INSTALLED.
4. PARKING PAWL RETURN SPRING MISSING, BROKEN
OR INCORRECTLY HOOKED.
NO DETENT DOWNSHIFTS
+
DISCONNECT ELECT. PLUG FROM
TRANS.-CONNECT
TEST LIGHT
DISCONNECTED WIRE HARNESS
l LLUSTRATION BELOW
I
DEPRESS ACCELERATOR FULLY
I
DOWNSHIFT SWITCH-
1. MALADJUSTED-REFER
TO
D O W N S H I F T
C O N T R O L
SWITCH-ADJUST.
2. I N O P E R A T I V E
SWITCH,
C O N N E C T I O N S ,
F U S E ,
SHORTED WIRE..
SHORTED SOLENOID WIRE CAN
CAUSE FUSE TO BLOW.
\
T
C
S SWITCH
w
PLUG USED ON TRANSMISSIONS
NOT USING TCS SYSTEM
u
PLUG USED ON TRANSMISSIONS
USING TCS SYSTEM
Diagnosis Chart E
Advertisement
Table of Contents
