2004 DAEWOO LACETTI driver

5A2 – 134IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
82. Using a suitable puller, remove the counter driven
gear outer tapered roller bearing race and shim
from the transaxle case.
83. Using a driver, remove the oil seal from the trans-
axle case.
Notice : Be careful not to damage the transaxle case
when removing the oil seal using a driver.
84. Using transaxle case side bearing outer race adapt-
er DW240–150 and adapter handle DW240–170,
remove the transaxle case side bearing outer race
and shim.
85. Remove the 3 bolts and oil reservoir lock plate from
the transaxle housing.
86. Remove the bolt and No.1 transaxle apply pipe
clamp from the transaxle housing.
87. Remove the transaxle lube apply pipe and differen-
tial gear lube apply pipe from the transaxle housing.

AISIN AUTOMATIC TRANSAXLE 5A2 – 135
DAEWOO V–121 BL4
88. Using a suitable puller, remove the counter driven
gear outer tapered roller bearing race from the
transaxle housing.
89. Using a driver, remove the oil seal from the trans-
axle housing.
Notice : Be careful not to damage the transaxle housing
when removing the oil seal using a driver.
90. Using a suitable puller, remove the side bearing
outer race from the transaxle housing.
WARNING : USE CAUTION WHEN REMOVING SNAP
RINGS OR PERSONAL INJURY MAY RESULT.
Notice : Stop the press when the O/D brake piston is low-
ered 1–2 mm (0.039–0.078 in.) from the snap ring groove,
preventing the O/D brake piston from being deformed.
91. Using brake/clutch spring compressor DW240–020,
overdrive brake adapter DW240–050 and a driver,
remove the snap ring.
92. Remove the O/D brake return spring.

5A2 – 138IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
5. Coat 2 new O–rings with ATF, install them to the
O/D brake piston.
6. Coat the O/D brake piston with ATF, install it to the
transaxle rear cover.
Notice : Be careful not to damage the O–rings of the O/D
brake piston.
7. Using brake/clutch spring compressor DW240–020,
overdrive brake adapter DW240–050 and a driver,
install the O/D brake return spring and snap ring to
the transaxle rear cover.
Notice : Stop the press when the O/D brake piston is low-
ered 1–2 mm (0.039
0.078 in.) from the snap ring groove,
preventing the O/D brake piston from being deformed.
8. Using transaxle housing side bearing outer race
adapter DW240–140 and adapter handle
DW240–170, install a new side bearing outer race
into the transaxle housing.

5A2 – 152IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
68. Using brake spring compressor bolt / nut
DW240–060–01 and 2nd brake adapter
DW240–080, compress the 2nd brake piston return
spring.
69. Using a screwdriver, install the snap ring.
Notice : Make sure that the snap ring is installed in the
groove of the transaxle case correctly.
70. Coat the thrust bearing race with petroleum jelly
and install it onto the front planetary sun gear.
S Race:
Inner diameter: 19.3 mm (0.760 in.)
Outer diameter : 29.0 mm (1.142 in.)
71. Install the front planetary sun gear to the transaxle
case.
72. Install the thrust washer and one–way clutch as-
sembly to the rear planetary sun gear.

AISIN AUTOMATIC TRANSAXLE 5A2 – 155
DAEWOO V–121 BL4
81. Check to see if the sliding surface of the disc, plate
and flange of 2nd coast & O/D brake are worn or
burnt. If necessary, replace them.
Notice : If the lining of the disc is peeling off or discolored,
or even if a part of the printed mark is defaced, replace all
discs.
Notice : Before assembly new discs, soak them in ATF for
at least 15 minutes.
82. Using a screwdriver, install the snap ring to the
transaxle case.
Notice : Make sure that the snap ring is installed in the
groove of the transaxle case correctly.
83. Install the flange, 2 discs and 2 plates to the trans-
axle case.
S Install in order: P
D
P
D
F
(P = Plate, D = Disc, F = Flange)
84. Clean the connected part the transaxle case and
transaxle rear cover.
85. As shown in the illustration, place a straight edge
on the transaxle case and measure the distance
between the 2nd coast & O/D brake flange and
straight edge using vernier calipers. (Dimension A).

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.

5A2 – 168IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Disassembly Procedure
1. Turn the drive gear with 2 screwdrivers and make
sure it rotates smoothly.
Notice : Be careful not to damage the oil lip.
2. Remove the 8 bolts and stator shaft.
Notice : Be careful not to let the driver drop as it might
come off attached to the stator shaft.
3. Remove the oil pump drive gear and driven gear
from the oil pump body.
Inspection Procedure
1. Push the driven gear to one of side of the body.
Using a feeler gauge, measure the clearance.
S Standard body clearance:
0.10
0.17 mm (0.0039
0.0067 in.)
S Maximum body clearance: 0.17 mm (0.0067 in.)
If the body clearance is greater than the maxi-
mum, replace the oil pump body sub–assembly.

5A2 – 170IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Assembly Procedure
1. Install the oil pump drive gear and driven gear.
2. Align the stator shaft with each bolt hole.
3. Install the 8 bolts.
Tighten
Tighten the bolts to 9.8 NSm (87 lb–in).
4. Turn the drive gear with 2 screwdrivers and make
sure it rotates smoothly.
Notice : Be careful not to damage the oil lip.