Mitsubishi Galant (2004+). Manual - part 691
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-315
STEP 2. Check the vibration.
Q: Does the vibration occur when the transmission fluid
temperature sensor connector has been disconnected?
YES : Check the engine system. Refer to GROUP 13A
<2.4L Engibe>, Diagnosis
− Symptom Chart − Driving
or refer to GROUP 13B <3.8L Engine>,
Diagnosis
− Symptom Chart − Driving
. If the
inspection result is not good, diagnose, repair, and/or
replace the engine component(s).
NO : Go to Step 3.
STEP 3. Check the torque converter hydraulic pressure.
Measure the torque converter hydraulic pressure. Then check if
the torque converter hydraulic pressure is within the standard
value. Refer to
, Hydraulic Pressure Test.
Q: Is the torque converter hydraulic pressure within the
standard value?
YES : Go to Step 4.
NO : Go to Step 5.
STEP 4. Replace the torque converter assembly.
(1) Remove the transaxle.
(2) Replace the torque converter assembly. Refer to GROUP
23B, Transaxle
. Then check the symptom.
Q: Is the symptom eliminated?
YES : The procedure is complete.
NO : Go to Step 6.
STEP 5. Disassemble and clean the valve body.
Check the O-ring installation bolts for looseness and the valve
body for damage. Repair or replace the faulty parts. Refer to
GROUP 23B, Valve Body
.
Replace the valve body assembly if the damages are thought
to be irreparable. Then check the symptom.
Q: Is the symptom eliminated?
YES : The procedure is complete.
NO : Go to Step 6.
AC001857
AC001860 AB
VALVE
BODY
ASSEMBLY