2004 DAEWOO LACETTI Automatic

5A2 – 110IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Installation Procedure
1. Install the fluid cooler inlet pipe fitting nut into the
transaxle.
Tighten
Tighten the fluid cooler inlet pipe fitting nut to 35 NSm
(26 Ib–ft).
2. Install the fluid cooler inlet pipe bolt into the trans-
axle.
Tighten
Tighten the fluid cooler inlet pipe bolt to 9 NSm (80 Ib–
in).
3. Install the inlet pipe union bolt into the radiator.
Tighten
Tighten the inlet pipe union bolt to 35 NSm (26 Ib–ft).
4. Connect the hose to inlet pipe and install the clip
into the hose.
5. Lower the vehicle.
6. Fill the transaxle with the fluid.
FLUID COOLER OUTLET PIPE AND
HOSES
Removal Procedure
1. Drain the transaxle fluid.
2. Remove the front outlet pipe union bolt from the
radiator.
3. Remove the clip from the hose.
4. Remove the rear outlet pipe clip bolt from the trans-
axle.
5. Remove the rear outlet pipe fitting nut from the
transaxle.
6. Remove the fluid cooler outlet pipe and hoses.

AISIN AUTOMATIC TRANSAXLE 5A2 – 111
DAEWOO V–121 BL4
Installation Procedure
1. Install the fluid cooler rear outlet pipe fitting nut.
Tighten
Tighten the fluid cooler rear outlet pipe fitting nut to 35
NSm (26 Ib–ft).
2. Install the fluid cooler rear outlet pipe clip bolt.
Tighten
Tighten the fluid cooler rear outlet pipe clip bolt to 9
NSm (80 Ib–in).
3. Install the front outlet pipe union bolt into the radia-
tor.
Tighten
Tighten the front outlet pipe union bolt to 35 NSm (26
Ib–ft).
4. Install the clip into the hose.
5. Fill the transaxle with the fluid.
TRANSAXLE ASSEMBLY
Tools Required
DW110–060 Engine Support Fixture
DW260–012 Transaxle Support Fixture (81–40 LE)
Removal Procedure
1. Remove the battery and battery tray. Refer to Sec-
tion 1E, Engine Electrical.
2. Drain the transaxle fluid. Refer to ”Fluid Drain Pro-
cedure” in this section.
3. Remove the left and right drive axle assemblies.
Refer to Section 3A, Automatic Transaxle Drive
Axle.
4. Disconnect the fluid cooler inlet and outlet pipes
and hoses from the transaxle. Refer to ”Fluid Cool-
er Inlet or Outlet Pipe and Hoses” in this section.
5. Disconnect the shift control cable from the trans-
axle. Refer to ”Shift Control Cable” in this section.
6. Install engine support fixture DW110–060 to sup-
port the engine.

5A2 – 112IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
7. Disconnect the input shaft speed (ISS) sensor elec-
trical connector.
8. Disconnect the output shaft speed (OSS) sensor
electrical connector.
9. Disconnect the Transmission Range (TR) Switch
electrical connector.
10. Disconnect the transaxle electrical connector.
11. Remove the service hall cover.
12. Remove the three torque converter bolts.
13. Remove the damping block connection nut and
bolt.
14. Remove the rear mounting bracket bolts and rear
mounting bracket.
15. Remove the three upper transaxle mounting brack-
et bolts.

AISIN AUTOMATIC TRANSAXLE 5A2 – 113
DAEWOO V–121 BL4
16. Remove the three upper transaxle–to–engine
mounting bolts.
17. Secure the transaxle to a transaxle jack and trans-
axle support fixture DW260–013.
18. Remove the seven lower transaxle–to–engine re-
taining bolts.
19. Carefully remove the transaxle from the vehicle.

5A2 – 114IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Installation Procedure
1. Secure the transaxle to the transaxle jack, then
carefully position in the vehicle.
2. Install the seven lower transaxle–to–engine retain-
ing bolts.
Tighten
Tighten the bolts(a) to 73 NSm (54 Ib–ft).
Tighten
Tighten the bolts(b) to 31 NSm (23 Ib–ft).
Tighten
Tighten the bolts(c) to 21 NSm (15 Ib–ft).
3. Install the three upper transaxle–to–engine mount-
ing bolts.
Tighten
Tighten the three upper transaxle–to–engine mount-
ing bolts to 73 NSm (54 Ib–ft).
4. Install the three upper transaxle mounting bracket
bolts and the bracket.
Tighten
Tighten the three upper transaxle mounting bracket
bolts to 60 NSm (44 Ib–ft).

AISIN AUTOMATIC TRANSAXLE 5A2 – 115
DAEWOO V–121 BL4
5. Install the rear mounting bracket bolts and the
bracket.
Tighten
Tighten the rear mounting bracket bolts to 60 NSm (44
Ib–ft).
6. Install the damping block connection nut and bolt.
Tighten
Tighten the damping block connection nut and bolt to
80 NSm (59 Ib–ft).
7. Install the torque converter bolts.
Tighten
Tighten the torque converter bolts to 45 NSm (33 Ib–
ft).
8. Install the service hall cover.
9. Connect the transaxle electrical connector.
10. Connect the TR switch electrical connector.
11. Connect the OSS sensor electrical connector.
12. Connect the ISS sensor electrical connector.
13. Remove engine support fixture DW110–060.
14. Connect the shift control cable into the transaxle.
Refer to ”Shift Control Cable” in this section.

5A2 – 116IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
15. Connect the fluid cooler inlet and outlet pipe and
hose into the transaxle. Refer to ”Fluid Cooler Inlet
or Outlet Pipe and Hoses” in this section.
16. Install the left and right drive axle assemblies. Refer
to Section 3A, Automatic Transaxle Drive Axle.
17. Install the battery and battery tray. Refer to Section
1E, Engine Electrical.
18. Fill the transaxle with fluid. Refer to ”Fluid Drain
Procedure” in this section.
19. Check the fluid level. Refer to ”Transaxle Fluid Lev-
el Checking Procedure” in this section.

AISIN AUTOMATIC TRANSAXLE 5A2 – 117
DAEWOO V–121 BL4
UNIT REPAIR
MAJOR COMPONENT DISASSEMBLY
Tools Required
DW240–020 Brake/Clutch Spring Compressor
DW240–050 Overdrive Brake Adapter
DW240–060–01 Brake Spring Compressor Bolt/Nut
DW240–070 1st & Reverse Brake Adapter
DW240–080 2nd Brake Adapter
DW240–090 Planetary Ring Gear Remover
DW240–150 Transaxle Case Side Bearing Outer Race
Adapter
DW240–170 Adapter Handle
DW260–021–02 Automatic Transaxle Overhaul Fixture
(81–40 LE)
DW260–041 Planetary Ring Gear Nut Removal/Installa-
tion Socket
Disassembly Procedure
1. Remove the transaxle assembly from the vehicle.
Refer to”Transaxle Assembly” in this section.
2. Install the transaxle assembly to the transaxle sup-
port stand using Automatic Transaxle Overhaul Fix-
ture DW260–021–02 (81–40 LE).
3. Remove the nut, washer and control lever.
4. Using a screwdriver, unstake the lock washer.
5. Remove the two bolts and nut and pull out the
transmission range (TR) switch.
6. Remove the two unions the transaxle case.
7. Remove the two O–rings from the unions.