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The recommended oil type and capacity for a 2009 GMC Sierra 1500 is 5w-30 and 4.5 quarts. It's important to change your oil every 5,000 to 10,000 miles to avoid engine problems. Using high-quality oil is crucial for smooth engine performance. Neglecting to change the oil can lead to issues like a burning smell, engine failure, knocking sounds, and reduced gas mileage. If you notice any of these problems, address them promptly to prevent potential safety hazards.
In 2009, the GMC Sierra 1500 with a 4.3L V6 engine needs 4.5 quarts (4.3 liters) of engine oil, while all other 2009 GMC Sierra 1500 engines require 6 quarts (5.7 liters). The approved engine oil for the 2009 GMC Sierra 1500 is SAE 5W-30 oil; do not use different viscosity oils like SAE 20W-50.