Chevrolet Cobalt Service & Repair Manual: Differential, Overhaul
Disassembly
| When pinion gears are removed,
place final drive carrier into a clean transmission oil pan in order to
prevent losing needle bearings. |
| 1. |
Remove final drive sun gear (115),
Fig. 1. |
| 2. |
Remove differential pinion shaft retaining
pin (704) using a pin punch as illustrated in Fig. 2. |
| 3. |
Remove differential pinion shaft (703),
Fig. 3. |
| 4. |
Remove differential pinion gears (707),
thrust washers (706), differential side gears (709), and thrust
washers (708), Fig. 4. |
| 5. |
Inspect final drive sun gear to carrier
thrust bearing (700), Fig. 5. |
| 6. |
Inspect all pinions for excessive wear
or bearing noise. |
|
Assembly
| 1. |
Assemble thrust washers (708) onto
differential side gears (709), Fig. 4. |
| 2. |
Install differential side gears into
final drive carrier (702), Fig. 4. |
| 3. |
Assemble thrust washers (706) onto
pinion gears (707). Retain thrust washers with a suitable lubricant,
Fig. 4. |
| 4. |
With thrust washers (706) attached,
install pinion gears (707) into final drive carrier (702), Fig.
4. |
| 5. |
Rotate pinion gears (707) into position,
and install pinion shaft (703) through final drive carrier through
pinion gears (707), Fig. 4. |
| 6. |
Position pinion shaft (703) in order
to allow installation of retaining pin, Fig. 4. |
| 7. |
Install retaining pin (704) through
final drive carrier (702) and through pinion shaft (703) in order
to retain pinion shaft (703), Fig. 4. |
|
Fig. 1 Sun gear replacement
Fig. 2 Pinion shaft retaining pin removal
Fig. 3 Differential pinion shaft replacement
Fig. 4 Differential thrust washers & gears
Fig. 5 Gear to carrier thrust bearing inspection
1.
Remove the ten differential ring gear
bolts from the differential case. Discard the bolts, Fig.
1.
2.
Remove the differential ri ...
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
A rear-axle oil leak is eas ...
See also:
Chevrolet Cobalt Owners Manual. Winter Driving
Driving on Snow or Ice
Drive carefully when there is snow or ice between the
tires and the road, creating less traction or grip. Wet ice
can occur at about 0°C (32°F) when freezing rain
begins to fall, resulting in even less traction. Avoid
driving on wet ice or in freezing rain until roads c ...
Chevrolet Cobalt Owners Manual
Chevrolet Cobalt Service Manual
Differential Side Gear R&R
Drive Axle Assembly Leak, Inspection