2004 DAEWOO LACETTI Gear

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.

5A2 – 192IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
COUNTER DRIVEN GEAR
1. Outer Tapered Roller Bearing Race
2. Tapered Roller Bearing
3. Counter Drive Pinion4. Counter Driven Gear
5. Tapered Roller Bearing
6. Outer Tapered Roller Bearing Race

AISIN AUTOMATIC TRANSAXLE 5A2 – 193
DAEWOO V–121 BL4
Tools Required
DW240–160 Transaxle Case Outer Tapered Roller Bear-
ing Race Adapter
DW240–170 Adapter Handle
Disassembly Procedure
1. Using a suitable puller, remove the tapered roller
bearing from the transaxle case side.
2. Using a press, remove the counter driven gear.
3. Using a suitable puller, remove the tapered roller
bearing.
4. Using a suitable puller, remove the outer tapered
roller bearing race and shim from the transaxle
case.
5. Using a suitable puller, remove the outer tapered
roller bearing race from the transaxle housing.
Assembly Procedure
1. Install a new outer tapered roller bearing race into
the transaxle housing.
Notice : Press–fit the outer tapered roller bearing race un-
til it contacts the transaxle housing.

5A2 – 194IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
2. Install the shim to the transaxle case.
S First install a shim of the same thickness as be-
fore.
3. Using transaxle case outer tapered roller bearing
race adapter DW240–160 and adapter handle
DW240–170, press in a new outer tapered roller
bearing race into the transaxle case.
Notice : Press–fit the shim until it contacts the transaxle
case.
4. Using a press, install the counter driven gear.
5. Using a press, install a new tapered roller bearing
of the transaxle case side.
6. Using a press, install a new tapered roller bearing
of .the transaxle housing side.

5A2 – 208IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
DIFFERENTIAL CASE
1. Differential Pinion Thrust Washer
2. Differential Pinion Gear
3. Differential Side Gear Thrust Washer
4. Differential Side Gear
5. Pin
6. Differential Pinion Shaft
7. Oil Seal
8. Side Bearing Outer Race9. Tapered Roller Bearing
10. Differential Case
11. Differential Ring Gear
12. Tapered Roller Bearing
13. Side Bearing Outer Race
14. Shim
15. Oil Seal

AISIN AUTOMATIC TRANSAXLE 5A2 – 209
DAEWOO V–121 BL4
Tools Required
DW260–031–01 Transaxle Housing Oil Seal Installer
DW260–031–02 Transaxle Case Oil Seal Installer
DW240–150 Transaxle Case Side Bearing Outer Race
Adapter
DW240–140 Transaxle Housing Side Bearing Outer Race
Adapter
DW240–170 Adapter Handle
Disassembly Procedure
1. Place the matchmarks on the ring gear and differ-
ential case.
2. Remove the 8 bolts.
3. Using a plastic hammer, tap on the ring gear to re-
move it from the case.
4. Using a suitable puller, remove the tapered roller
bearing of transaxle housing side.

5A2 – 210IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
5. Using a suitable puller, remove the tapered roller
bearing of transaxle case side.
6. Using a pin punch and hammer, drive out the pin
from the ring gear side.
7. Remove the differential pinion shaft from the case.
8. Remove the 2 differential pinion gears, 2 differential
side gears, 2 differential pinion thrust washers and
2 differential side gear thrust washers.