differential DAEWOO NUBIRA 2004 Service Service Manual

FIVE–SPEED MANUAL TRANSAXLE 5B – 7
DAEWOO V–121 BL4
Checks Action
Check for a noise in the fourth gear (4) only.S Replace any chipped, scored, or worn fourth gear or
output gear.
S Replace any worn third–fourth gear synchronizer.
S Replace any worn fourth–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 fifth gear (5) only.S Replace any chipped, scored, or worn fifth gear or
output gear.
S Repair any worn fifth–gear synchronizer.
S Replace any worn fifth–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 reverse (R) gear only.S Replace any chipped, scored, or worn reverse idler
gear, idler–gear bushing, input gear, or output gear.
S Replace any worn first–second gear synchronizer.
S Replace any worn output gear.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
Check for a noise in all gears.S Add sufficient lubricant.
S Replace any worn bearings.
S Replace any chipped, scored, or worn input–gear
shaft or output–gear shaft.
Check for the transaxle slipping out of gear.S Adjust or replace the linkage, as needed.
S Adjust, repair, or replace any binding shift linkage.
S Tighten or replace the input–gear bearing retainer, as
needed.
S Repair or replace any worn or bent shift fork.
Check for a leak in the area of the clutch.S Repair the transaxle casing.
S Replace any damaged release bearing guide.
Check for a leak at the center of the transaxle.S Repair the transaxle casing.
S Repair the shift mechanism.
S Replace the damaged backup lamp switch.
Check for a leak at the differential.S Adjust or replace the bearing retainers.
S Tighten or replace the differential cover.
S Adjust or replace the drive axle shaft seals.

5B – 12IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
DIFFERENTIAL GEAR
1. Differential Gear Housing
2. Differential Gear
3. Speedometer Drive Gear
4. Washer
5. Side Gear
6. Bevel Differential Gear
7. Bevel Gear Disc
8. Differential Gear Shaft
9. Differential Spring Pin
10. Bolt11. Taper Roller Bearing
12. Differential Bearing Ring
13. Shaft Seal Ring
14. O–Ring
15. Differential Gear Bearing Flange
16. O–Ring
17. Locking Plate
18. Bolt
19. Bolt

5B – 14IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
1. Gear Shift Control
2. Bolt
3. Gear Shift Tube Bellows
4. Clamp
5. Bolt
6. Gear Shift Control Mode
7. Gear Shift Guide Control
8. Pin
9. Clip
10. Bolt
11. 1st & 2nd Gear Shift Fork
12. 1st & 2nd Gear Shift Rod
13. Pin
14. 3rd & 4th Gear Shift Fork
15. 3rd & 4th Gear Shift Rod
16. Pin
17. 5th Speed Engaging Piece
18. Gear Shift Rod Pawl
19. Reverse Gear Shift Fork
20. Reverse Gear Shift Rod
21. Pin
22. Gear Shift Rod
23. Shift Finger24. Gear Shift Lever Cover
25. Gear Shift Inter Lever
26. Plate
27. Compression Spring
28. Bush
29. Retaining Ring
30. Gear Shift Cover Gasket
31. Bolt
32. Plug
33. Plug
34. Speedometer Driven Gear
35. Bolt
36. Differential Gear Cover Gasket
37. Differential Gear Cover
38. Screw
39. Backup Lamp Switch
40. O–ring
41. Pin
42. Pin
43. Sleeve
44. Bush

FIVE–SPEED MANUAL TRANSAXLE 5B – 15
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
CHECKING FLUID LEVEL
1. With the vehicle on a level surface and the fluid in
the transaxle cold, remove the filler plug and check
the fluid level. The fluid should come to the bottom
edge of the plug hole.
2. If the level is low, add SAE 80 manual transaxle
fluid through the filler plug hole until the fluid begins
to run out.
3. Reinstall the filler plug and tighten it securely.
4. If the fluid is contaminated, drain the oil after re-
moving the differential gear cover.
SHIFT LINKAGE ADJUSTMENT
(LEFT–HAND DRIVE SHOWN,
RIGHT–HAND DRIVE SIMILAR)
1. Disconnect the negative battery cable.
2. Position the gearshift lever into NEUTRAL.
Important : All the gears must be easy to engage when
the vehicle is stationary, the engine is running, and the
clutch is disengaged.
3. Loosen the rod clamp bolt.

5B – 48IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
HOUSING CASE
Disassembly Procedure
1. Remove the transaxle from the vehicle. Refer to
”Transaxle Assembly” in this section.
2. Remove the shift lever cover bolts and the shift le-
ver cover. Do not disassemble the shift lever cover.
3. Remove the transaxle cover bolts and the transaxle
cover.
4. Remove the bearing plate bolts and the bearing
plate, with the shafts attached. Do not disassemble
the shafts.
5. Remove the differential from the transaxle housing.
Do not disassemble the differential. Refer to ”Differ-
ential” in this section.
6. Remove the backup lamp switch from the transaxle
housing.

FIVE–SPEED MANUAL TRANSAXLE 5B – 49
DAEWOO V–121 BL4
7. Remove the clutch–release bearing and the clutch–
release bearing guide. Refer to Section 5C, Clutch.
8. Remove the speedometer–driven gear bolt and the
speedometer–driven gear from the transaxle hous-
ing.
Assembly Procedure
1. Install the speedometer–driven gear bolt and the
speedometer–driven gear into the transaxle hous-
ing.
Tighten
Tighten the speedometer–driven gear bolt to 5 NSm
(44 lb–in)
2. Install the clutch–release bearing guide and the
clutch–release bearing. Refer to Section 5C,
Clutch.
3. Install the backup lamp switch into the transaxle
housing.
Tighten
Tighten the backup lamp switch to 20 NSm (15 lb–ft).
4. Install the differential into the transaxle housing.
Refer to ”Differential” in this section.
5. Install the bearing plate, with the shafts attached.
6. Install the bearing plate bolts.
Tighten
Tighten the bearing plate bolts to 22 NSm (16 lb–ft).

5B – 50IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
7. Install the transaxle cover and the transaxle cover
bolts.
Tighten
Tighten the transaxle cover bolts to 18 NSm (13 lb–ft).
8. Install the gearshift lever cover and the gearshift
lever cover bolts.
Tighten
Tighten the gearshift lever cover bolts to 22 NSm (16
lb–ft).
9. Install the transaxle into the vehicle. Refer to
”Transaxle Assembly” in this section.
DIFFERENTIAL
Tools Required
KM–520 Remover/Installer
KM–525 Installer
J–22888–20–A Bearing Puller with J–22888–35 Puller
Legs
KM–522 Installer
Disassembly Procedure
1. Remove the differential cover bolts, the differential
cover, and the differential cover gasket.
2. Remove the bearing–adjusting ring retainer plate
bolt and the bearing–adjusting ring retainer plate.

FIVE–SPEED MANUAL TRANSAXLE 5B – 51
DAEWOO V–121 BL4
3. Remove the bearing–adjusting ring using the re-
mover/ installer KM–520.
4. Remove the right–side bearing–retainer bolts and
the right–side bearing retainer.
5. Remove the differential assembly from the trans-
axle case.
6. Remove the ring gear bolts.

5B – 52IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
7. Separate the ring gear from the differential housing.
8. Drive the pinion gear shaft lock pin from the differ-
ential housing and the pinion gear shaft.
9. Remove the pinion gear shaft.
10. Remove the pinion gears and the washers.
11. Remove the side gears and the side thrust wash-
ers.

FIVE–SPEED MANUAL TRANSAXLE 5B – 53
DAEWOO V–121 BL4
12. Remove both of the differential bearings using the
bearing puller J–22888–20–A with the puller legs
J–22888–35.
13. Remove the speedometer drive gear from the dif-
ferential gear housing.
Assembly Procedure
1. Install the speedometer drive gear onto the differen-
tial gear housing using the installer KM–525.
2. Install both of the differential bearings using the in-
staller KM–522.