At what percentage of oil life should the Regal's engine oil be changed?
1 Answers
The engine oil in the Regal can be changed when the oil life drops below 50%. The oil life depends on various factors, including engine speed, temperature, and mileage. Depending on driving conditions, the mileage at which the oil change is indicated can vary significantly. If the vehicle is driven under favorable conditions, the oil life will be longer, whereas under harsh conditions, the oil change interval will be considerably shorter. Symptoms indicating the need for an oil change: Increased engine noise during operation. Symptoms of reduced engine power and sluggish acceleration. The oil turns black and contains impurities. The oil emits a foul odor; if the oil deteriorates, it will have a strong, unusual smell. Methods to check oil life: First, pull out the oil dipstick located near the engine, then take a small amount of oil and drip it onto an oil test paper. Let it sit overnight, allowing the oil to fully spread on the paper. Then, observe the sediment ring, oil ring, and diffusion ring on the paper. If any of the following three conditions occur, it means the oil needs to be changed: If the boundaries between the three rings are distinct, the oil can still be used for a while, but it should be changed as soon as possible. If the oil ring disappears, leaving only the sediment ring and diffusion ring, take the vehicle to the nearest repair shop for an oil change, or you can change it yourself. If only the darker-colored sediment ring remains, the oil must be changed immediately to avoid potential engine damage.
