The recommended oil type for a 2002 GMC Sierra truck with over 100,000 miles is 5W-30. This oil is specifically designed for use in high-mileage vehicles and helps to reduce wear and tear on the engine.
Oil Capacity
The oil capacity for a 2002 GMC Sierra truck with the 5.3L engine is 6 quarts. When changing the oil, it is important to add the correct amount of oil to avoid overfilling or underfilling the engine.
Oil Change Interval
The oil change interval for a 2002 GMC Sierra truck with over 100,000 miles is 5,000 miles or 6 months, whichever comes first. It is important to follow the recommended oil change interval to keep the engine running smoothly and efficiently.
