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The 2009 Chevy Avalanche requires SAE 5w-30 full synthetic oil with a capacity of 5.6 quarts to keep the engine's internal components cool and lubricated, preventing wear and damage. The cost of an oil change for your Avalanche typically ranges between $40 and $50 for labor and $90 and $100 for parts. It is recommended to schedule an oil change every 10,000 miles. Signs that your vehicle needs an oil change while driving include engine noises, a ticking engine, transmission shifting problems, idling vibrations, and decreased fuel efficiency. Outdoor indicators of needing an oil change may include smoke from the exhaust and oil leaks in your parking spot.
This vehicle needs to be filled with 5w-30 full synthetic motor oil.
According to the manual GM6094M, synthetic blends are included in the list of accepted oils.