The oil dipstick extends into the oil pan and measures the oil level in the reservoir. A drain plug on the bottom can be removed to drain oil. Oil leaks are common on engines as they accumulate ...

Banks Power found the L5P Duramax's stock oil pan design leaves nearly a quart of old, contaminated fluid in the system, even after a filter change.

Locate the oil drain plug: Identify the oil drain plug beneath the car, usually located on the oil pan. Position the drain pan: Place the drain pan directly beneath the oil drain plug to capture ...