Can you tell me the type of fluid needed for the rear differential of a 2002 Chevy Silverado?

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Differential oil is important for keeping the driveshaft and wheel axles properly lubricated in a vehicle. In the case of a 2002 Chevy Silverado heavy truck, it uses a gear oil that has a viscosity of 75W-90. The rear differentials differ between an 8.6-inch and a 9.5-inch rear on the Silverado, holding 4.2 pints and 5.5 pints respectively. The differential casing is located beneath the truck, positioned in the middle of the driveshaft. A cover secured with twelve 10mm bolts needs to be removed to access the plug, which can be opened with a 3/8" drive. Inspect the plug for any metal shavings from the gears, which should stick to a magnet installed. A clean plug indicates that the gears are not worn out. A gear oil change for the Silverado should be scheduled every 30,000-60,000 miles, with typical costs ranging from $243 to $300 for parts and professional labor.

Can you tell me the type of fluid needed for the rear differential of a 2002 Chevy Silverado?

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