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With an older vehicle like a 2001 Chevrolet Suburban, it's important to regularly change the oil. Due to the car's age and mileage, the engine is more susceptible to wear and heat loss. It's recommended to use synthetic 5W-30 oil for all engine sizes, although the amount needed varies by engine size. The 5.3L V8 and 6.0L V8 engines require 6 quarts, while the larger 8.1L V8 engine needs 6.4 quarts. Some owner's manuals may suggest using a thicker 10W-30 blend, but it's better to stick with the 5W-30 oil for better engine longevity, especially as the vehicle accumulates more miles.
The 2001 Chevy Suburban offers three engine choices: a 5.3L V8, a 6.0L V8, and an 8.1L V8. The 5.3L and 6.0L engines need 6 quarts of oil, while the 8.1L engine requires 6.4 quarts. All three engines utilize 5W30 synthetic oil.
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