Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth. During very cold, damp weather frequent application may be required.
See Recommended Fluids and Lubricants.
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 ...