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

    Differential Side Gear R&R
    1. Remove the ten differential ring gear bolts from the differential case. Discard the bolts, Fig. 1. 2. Remove the differential ri ...

    Drive Axle Assembly Leak, Inspection
    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. GM Mobility Reimbursement Program
    This program, available to qualified applicants, can reimburse you up to $1,000 of the cost of eligible aftermarket adaptive equipment required for your vehicle, such as hand controls or a wheelchair/scooter lift. The offer is available for a very limited period of time from the date of vehi ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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