Daewoo KORANDO Service Manual page 1038

5A-70 AUTOMATIC TRANSMISSION
Symptom
2-3 shift only S1 always OFF.
(no 4th or 1st)
1-4 shift only S1 always ON.
1-3-4 (Delayed
1-2shift)
4-3 shift only
S2 always OFF.
1-2-Neutral
S2 always ON.
(1st over run)
1-3 shift only
B1 failed.
Loose band adjustment.
Front servo piston or seal failed.
S1/S2 ball misplaced,
1-3-4 only Smaller'0'ring on front servo piston failed
or missing.
2-3 shift valve jammed.
1-2-1 only
C1 clutch failed or slipping in 3rd and 4th.
(Gives 1st in 3rd and 2nd in 4th.)
No manual 4-3,3-2
Over-run clutch (OC)/low ball misplaced.
or 2-1 C4 failed or C4 wave plate broken.
No manual 1st
Rear band slipping when hot.
Reverse/Low-1st ball misplaced.
Rear servo inner 'O' ring missing.
C4 failed or C4 wave plate broken.
1st gear only or
Inhibitor switch faulty.
2nd,3rd, and 4th
only
1-2 shift valve jammed.
1st and 2nd only
Inhibitor switch fault, 1-2 only.
or 1st, 3rd and 4th
only 2-3 shift valve jammed.
Possible Cause Action
Inspect S1. Repair or replace as necessary.
Check for 12 Volts applied to S1 at all times or
for wiring fault.
Inspect S1. Repair or replace as necessary.
Check for 12 Volts applied to S1 at all times or
for wiring fault.
Inspect S2. Repair or replace as necessary.
Check for open circuit or wiring fault.
Inspect S2. Repair or replace as necessary.
Check for open circuit or wiring fault.
Inspect and adjust as necessary.
Inspect and repair as necessary.
Inspect and replace or refit as necessary.
Inspect 'O' ring. Refit or replace as necessary.
Inspect the 2-3 shift valve. Repair or replace
as necessary.
Inspect C1 clutch. Repair or replace as neces-
sary.
Inspect ball. Refit or replace as necessary.
Inspect C4. Repair C4 or replace C4 wave plate
as necessary.
Inspect rear band adjustment. Adjust as nec-
essary.
Inspect ball- Refit or replace as necessary.
Inspect'0'ring. Refit or replace as necessary.
Inspect C4 and C4 wave plate. Repair or re-
place as necessary.
Inspect inhibitor switch.
Repair or replace as necessary.
Inspect the 1-2 shift valve.
Repair or replace as necessary
Inspect inhibitor switch.
Repair or replace as necessary.
Inspect the 2-3 shift valve.
Repair or replace as necessary.