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After purchasing a 2005 Chevrolet Silverado 2500HD, you'll quickly find out that regular fluid changes are necessary. One of these fluids is the differential oil, which should be replaced with 75W-90 fully synthetic gear oil. This truck requires up to three quarts of gear oil, a standard amount for most vehicles. Quart-sized bottles of this oil can be bought at various retail stores, automotive shops, and online. The price typically ranges from $5 to $14 per bottle. If you opt for professional replacement, labor costs can vary between $50 and $189.
To lubricate the rear axle of a 2005 Chevy Silverado 2500 HD, a viscosity greater than 80 weight fluid is required.
I own a 2005 Chevy Silverado Z71 with 4-wheel drive. I am having trouble finding the correct differential fluid - will 75w140 work for my vehicle?