2004 DAEWOO NUBIRA lock

5A2 – 164IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
124. Install the No.1 breather plug.
125. Install the input shaft speed (ISS) sensor with
the bolt.
Tighten
Tighten the bolts to 5.4 NSm (48 lb–in).
126. Coat a new O–ring with ATF, install it to the
screw plug.
127. Install the screw plug to the transaxle case.
Tighten
Tighten the bolts to 7.4 NSm (65 lb–in).
128. Coat new 2 O–rings with ATF, install them to
the unions.
129. Install the 2 unions to the transaxle case.
Tighten
Tighten the unions to 25 NSm (18 lb–ft).
130. Install the TR switch onto the manual valve
lever shaft and temporarily install the 2 adjusting
bolts.
131. Install a new lock washer and nuts.
Tighten
Tighten the nuts to 12 NSm (106 lb–in).

AISIN AUTOMATIC TRANSAXLE 5A2 – 165
DAEWOO V–121 BL4
132. Temporarily install the control lever.
133. Turn the lever counterclockwise until it stops,
then turn it clockwise 2 notches.
134. Remove the control lever.
135. Align the groove with neutral basic line.
136. Tighten the 2 bolts.
Tighten
Tighten the bolts to 5.4 NSm (48 lb–in).
137. Using a screwdriver, stake the nut with the lock
washer.

AISIN AUTOMATIC TRANSAXLE 5A2 – 181
DAEWOO V–121 BL4
Disassembly Procedure
1. Install the one–way clutch and thrust washer to the
rear planetary sun gear.
2. Hold the rear planetary sun gear and turn the one–
way clutch. The one–way clutch should turn freely
clockwise and should lock counterclockwise.
3. Using a screwdriver, remove the snap ring from the
2nd brake hub.
4. Remove the one–way clutch from the 2nd brake
hub.
5. Using a small screwdriver, remove the retainer from
the 2nd brake hub.

5A2 – 182IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Assembly Procedure
1. Install the retainer to the 2nd brake hub.
2. Install the one–way clutch.
3. Using a screwdriver, install the snap ring.
4. Install the one–way clutch and thrust washer to the
rear planetary sun gear.
5. Hold the rear planetary sun gear and turn the one–
way clutch. The one–way clutch should turn freely
clockwise and should lock counterclockwise.

AISIN AUTOMATIC TRANSAXLE 5A2 – 195
DAEWOO V–121 BL4
VALVE BODY
1. Manual Valve
2. Upper Valve Body
3. Valve Body Plate
4. No1. Solenoid Valve
5. O–Ring
6. No2. Solenoid Valve7. O–Ring
8. Pressure Control Solenoid Valve
9. Lower Valve Body
10. Timing Solenoid Valve
11. O–Ring
12. Lock–up Solenoid Valve

AISIN AUTOMATIC TRANSAXLE 5A2 – 201
DAEWOO V–121 BL4
Upper Valve Body
1. Sleeve
2. Key
3. Spring
4. Plunger
5. Lock–up Control Valve
6. Plug
7. Key
8. Secondary Regulator Valve
9. Spring
10. No.2 Check Valve
11. Key
12. Ball
13. No.1 Check Valve
14. Reverse Control Valve
15. Spring
16. Key17. Plug
18. Spring
19. 3–4 Shift Valve
20. Spring
21. O–ring
22. Reverse Clutch Accumulator Piston
23. O–ring
24. Plunger
25. 3–4 Shift Timing Valve
26. Spring
27. O–ring
28. 2nd Brake Accumulator Piston
29. O–ring
30. Spring
31. Upper Valve Body Cover

5A2 – 202IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Upper Valve Body Spring
S During reassembly, please refer to the spring specifications below to help you do discriminate between the differ-
ent springs.
MarkName (Color)Free length/Outer diameter mm
(in.)Total number of
coils
A3–4 shift timing valve (Pink)28.41 (1.1185) / 6.4 (0.252)10.49
B2nd brake accumulator piston,(None)
Inner45.90 (1.8071) / 10.5 (0.413)16.9
C2nd brake accumulator piston,(White)
Outer69.00 (2.7165) / 16.0 (0.630)15.1
DReverse clutch accumulator piston
(None)65.40(2.5748) / 17.0 (0.669)13.7
E3–4 shift valve (Red)25.50 (1.0039) / 9.73 (0.3831)7.75
FSecondary regulator valve (White)34.56 (1.3606) / 8.8 (0.346)12.27
GReverse control valve (None)25.58 (1.0071) / 8.64 (0.3402)8.75
HLock up control valve (Yellow)20.87 (0.8217) / 5.55 (0.2185)11.15

AISIN AUTOMATIC TRANSAXLE 5A2 – 203
DAEWOO V–121 BL4
Upper Valve Body Key
MarkRetainerHeight/Width/Thickness mm (in.)
ACheck valve11.5 (0.453) / 5.0 (0.197) / 3.2 (0.126)
BSecondary regulator valve16.0 (0.630) / 5.0 (0.197) / 3.2 (0.126)
CLock up control valve16.0 (0.630) / 5.0 (0.197) / 3.2 (0.126)
DReverse control valve11.5 (0.453) / 5.0 (0.197) / 3.2 (0.126)