What Type of Engine Oil is Best for the Buick Excelle?
1 Answers
The original factory-recommended engine oil for the Buick Excelle is 5W30. If you wish to change the oil during later maintenance, you can opt for Mobil Super oil, specifically the 5W30 or 0W30 variants. The viscosity of engine oil changes with temperature, so it's crucial to pay attention to its performance under both low and high temperatures. For example, in 5W-30, the first number indicates low-temperature fluidity. 5W means it can withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, ensuring smoother cold starts for the vehicle. The latter number represents the oil's kinematic viscosity at 100°C. A higher number indicates better viscosity retention at high temperatures, which can also be understood as superior lubrication performance under high-temperature conditions. The method for changing the engine oil in a Buick Excelle is as follows: Wait for the engine temperature to drop, allowing the oil to flow back into the oil pan; Use a wrench to loosen the oil drain plug and place an oil pan underneath to catch the old oil until it stops flowing. Start the engine and let it run for 30 seconds to allow the oil in the main oil passage to drain out; Use a specialized wrench to remove the oil filter; Apply some oil to the seal of the new oil filter and tighten it clockwise by hand; Add the new engine oil through the filler cap on the engine valve cover. Typically, fill about three-quarters of a standard oil container; Start the engine and let it run for 5 minutes, checking for any leaks around the oil drain plug and oil filter. If leaks are found, perform necessary repairs; After stopping the engine, pull out the dipstick to ensure the oil level is within the standard range.
