2004 DAEWOO LACETTI transaxle

AISIN AUTOMATIC TRANSAXLE 5A2 – 229
DAEWOO V–121 BL4
D–3rd Gear
PositionSolenoidClutchBrake1 way
Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
D3rdOFFOFFOFFONONOFFOFFONOFFOF
–FOF
–F
”D” – 3rd Gear
1. Input shaft rotates clockwise.
S Forward clutch (C1) operates. (Connect input shaft to front sun gear)
S Direct clutch (C2) operates. (Connect input shaft to planetary carrier)
2. Planetary short pinion and planetary long pinion can not rotate itself, and planetary gear unit rotates clockwise as
one.
3. Counter drive gear rotates clockwise for ring gear and one.
4. Counter drive gear rotates counterclockwise

5A2 – 230IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
5. Differential drive pinion rotates counterclockwise for counter driven gear and one.
6. Differential rotates clockwise.
( Engine Brake)
Driving force is connected to input shaft directory without 1 way clutch.
Therefore Engine Brake operates.

AISIN AUTOMATIC TRANSAXLE 5A2 – 231
DAEWOO V–121 BL4
D–4th Gear
PositionSolenoidClutchBrake1 way
Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
D4thOFFONOFFOFFONOFFONONOFFOF
–FOF
–F
”D” – 4th Gear
1. Input shaft rotates clockwise.
S Direct clutch (C2) operates. (Connect input shaft to planetary carrier)
2. Planetary carrier revolves clockwise.
3. Planetary long pinion rotates itself clockwise.
4. Rear planetary sun gear is going to rotate counterclockwise.
S O/D & 2nd brake (B1) operates. (Lock rotates planetary sun gear)
5. Planetary long pinion revolves clockwise while rotating itself clockwise.
6. Ring gear rotates clockwise.
7. Counter drive gear rotates clockwise for ring gear and one.

5A2 – 232IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
8. Counter driven gear rotates counterclockwise.
9. Differential gear drive pinion rotates counterclockwise for counter driven gear and one.
10. Differential gear rotates clockwise.
( Engine Brake)
Driving force is connected to input shaft directory without 1 way clutch.
Therefore Engine Brake operates.

AISIN AUTOMATIC TRANSAXLE 5A2 – 233
DAEWOO V–121 BL4
Reverse Gear
PositionSolenoidClutchBrake1 way
Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
RV<9
km/
hONONONOFFOFFONOFFOFFONOF
–FOF
–F
V
9km
/hONONONOFFOFFOFFOFFOFFOFFOF
–FOF
–F
Reverse Gear
1. Input shaft rotates clockwise.
S Reverse clutch (C3) operates.(Connect input shaft to rear planetary sun gear)
2. Planetary long pinion rotates itself counterclockwise.
3. 1st & reverse brake(3) operates. (Lock rotates planetary carrier)
4. Ring gear rotates counterclockwise.

5A2 – 234IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
5. Counter drive gear rotates counterclockwise for ring gear and one.
6. Counter driven gear rotates clockwise.
7. Differential gear drive pinion rotates clockwise for counter driven gear and one.
8. Differential gear rotates counterclockwise.
(Engine Brake)
Driving force is connected to input shaft directory without 1 way clutch.
Therefore Engine Brake operates.

SECTION : 5B
FIVE–SPEED MANUAL TRANSAXLE
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
TABLE OF CONTENTS
SPECIFICATIONS5B–2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fastener Tightening Specifications 5B–2. . . . . . . . . . .
SPECIAL TOOLS5B–3 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools Table 5B–3. . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS5B–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Isolate Noise 5B–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symptom Diagnosis 5B–6. . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATORS5B–9 . . . . . . . . . . . . . . . . . .
Gears and Case 5B–9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Bearing Plate 5B–11. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Gear 5B–12. . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Linkage 5B–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE AND REPAIR5B–15 . . . . . . . . . . . . . .
ON–VEHICLE SERVICE 5B–15. . . . . . . . . . . . . . . . . . . .
Checking Fluid Level 5B–15. . . . . . . . . . . . . . . . . . . . . .
Shift Linkage Adjustment 5B–15. . . . . . . . . . . . . . . . . . Gearshift Lever 5B–17. . . . . . . . . . . . . . . . . . . . . . . . . . .
Gearshift Lever Housing 5B–18. . . . . . . . . . . . . . . . . . .
Speedometer Driven Gear 5B–18. . . . . . . . . . . . . . . . .
Shift Linkage Assembly 5B–19. . . . . . . . . . . . . . . . . . . .
Drive Axle Seal 5B–20. . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Assembly 5B–21. . . . . . . . . . . . . . . . . . . . . . .
UNIT REPAIR 5B–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Major Component Disassembly 5B–26. . . . . . . . . . . . .
Input Shaft and Cluster Gear 5B–35. . . . . . . . . . . . . . .
Mainshaft 5B–37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Housing Case 5B–48. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential 5B–50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Major Component Assembly 5B–56. . . . . . . . . . . . . . .
GENERAL DESCRIPTION AND SYSTEM
OPERATION5B–63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Five–Speed Manual Transaxle 5B–63. . . . . . . . . . . . . .

5B – 2IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
ApplicationNSmLb–FtLb–In
Backup Lamp Switch2015–
Bearing Plate Bolts2216–
Bearing Retainer Bolts, Right Side2518–
Bearing–Adjusting Ring–Retainer Plate Bolt5–44
Clutch–Release Cylinder Retaining Bolts2015–
Damping Block Connection Nut and Bolt6850–
Differential Cover Bolts4030–
Fifth–Gear Fork Bolts2216–
Fifth–Gearshift Connector Bolts7–62
Flywheel Inspection Cover Bolts7–62
Gearshift Housing Bolts7–62
Gearshift Lever Cover Bolts2216–
Input Driveshaft Detent Screw1511–
Rear Damping Block Retaining Bolts6850–
Rear Mounting Bracket Bolts9066–
Ring–Gear Bolts7052–
Rod Clamp Bolt14–124
Speedometer Housing Retaining Bolt4–35
Speedometer–Driven Gear Bolt5–44
Transaxle Cover Bolts1813–
Transaxle Lower Retaining Bolts(a)7354–
Transaxle Lower Retaining Bolt(b)3123–
Transaxle Lower Retaining Bolts(c)2115–
Transaxle Upper Retaining Bolts7354–
Transaxle Upper Mounting Bracket Bolts4835–