2004 DAEWOO LACETTI Hub

AISIN AUTOMATIC TRANSAXLE 5A2 – 153
DAEWOO V–121 BL4
73. Coat the thrust bearing race with petroleum jelly
and install it onto the rear planetary sun gear and
one–way clutch assembly.
S Bearig:
Inner diameter: 42.5 mm (1.673 in.)
Outer diameter: 57.5 mm (2.264 in.)
Notice : Check the direction of the bearing.
74. Install the rear planetary sun gear and one–way
clutch assembly to the transaxle case.
75. Coat the thrust bearing race with petroleum jelly
and install it onto the transaxle case.
S Race:
Inner diameter: 34.95 mm (1.3760 in.)
Outer diameter: 45.50 mm (1.7913 in.)
Notice : Check the direction of race.
76. Coat the thrust needle roller bearing with petroleum
jelly and install it onto the forward clutch hub.
S Bearig:
Inner diameter: 33.3 mm (1.311 in.)
Outer diameter: 46.5 mm (1.831 in.)
Notice : Check the direction of bearing.

5A2 – 154IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
77. Install the forward clutch hub to the transaxle case.
78. Coat the thrust bearing race with petroleum jelly
and install it onto the forward clutch hub.
S Race:
Inner diameter: 19.3 mm (1.760 in.)
Outer diameter: 30.6 mm (1.205 in.)
79. Install the thrust bearing race and thrust needle roll-
er bearing to the forward & reverse clutch assem-
bly.
S Race and bearing diameter: mm(in.)
Inner diameterOuter diameter
Race18.1 (0.713)28.2 (1.110)
Bearing18.1 (0.713)29.6 (1.165)
80. Install the forward & reverse clutch assembly to the
transaxle case.

5A2 – 158IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
95. Install the direct clutch hub to the transaxle case.
96. Install the thrust bearing race and thrust needle roll-
er bearing to the transaxle case.
S Race and bearing: mm (in.)
Inner diameterOuter diameter
Race20.5 (0.807)32.6 (1.283)
Bearing17.8 (0.701)30.2 (1.189)
97. Install the direct clutch assembly to the transaxle
case.
98. Install new apply gasket.

5A2 – 180IAISIN AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
ONE–WAY CLUTCH
1. Snap Ring
2. One–Way Clutch3. 2nd Brake Hub
4. Retainer

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.

5B – 6IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
SYMPTOM DIAGNOSIS
ChecksAction
Check for a knock at low speeds.S Replace any worn drive axle CV joints.
S Replace any worn side gear hub.
Check for a noise most pronounced on turns.S Correct any abnormalities in the differential gear.
Check for a clunk upon acceleration or deceleration.S Tighten any loose engine mounts.
S Replace any worn drive axle inboard joints.
S Replace any worn differential pinion shaft in the
case.
S Replace any worn side gear hub in the case.
Check for a clunking noise in turns.S Replace any worn outboard CV joint.
Check for a vibration.S Replace any rough wheel bearing.
S Replace any bent drive axle shaft.
S Replace any out–of–round tires.
S Balance any unbalanced tire.
S Replace any worn CV joint in the drive axle shaft.
S Correct an excessive drive axle angle by adjusting
the trim height.
Check for a noise in the NEUTRAL gear with the engine
running.S Replace any worn cluster bearing shaft.
S Replace any worn clutch–release bearing.
S Replace any worn input shaft cluster gears.
S Replace any worn first–gear/bearing.
S Replace any worn second–gear/bearing.
S Replace any worn third–gear/bearing.
S Replace any worn fourth–gear/bearing.
S Replace any worn fifth–gear/bearing.
S Replace any worn mainshaft bearings.
Check for a noise in the first gear (1) only.S Replace any chipped, scored, or worn first–gear
constant mesh gears.
S Replace any worn first–second gear synchronizer.
S Replace any worn first–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.
Check for a noise in the second gear (2) only.S Replace any chipped, scored, or worn second–gear
constant mesh gears.
S Replace any worn first–second gear synchronizer.
S Replace any worn second–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.
Check for a noise in the third gear (3) only.S Replace any chipped, scored, or worn third–gear
constant mesh gears.
S Replace any worn third–fourth gear synchronizer.
S Replace any worn third–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.

FIVE–SPEED MANUAL TRANSAXLE 5B – 37
DAEWOO V–121 BL4
MAINSHAFT
Tools Required
J–22912–01 Universal Bearing Puller
Disassembly Procedure
1. Remove the mainshaft bearing using the universal
bearing puller J–22912–01.
2. Remove the snap ring.
3. Remove the first gear, the flat–type first–gear
needle bearing, and the mainshaft wear plate.
4. Remove the synchronizer hub sleeve that contains
the synchronizer spring.
5. Remove the outer blocking ring.