Chapter 9 Vehicle Maintenance, Fluid Service, and Recycling 139 Copyright Goodheart-Willcox Co., Inc. D—Look closely to see how far the oil goes up on the dipstick. E—Determine if the oil smells burned or has turned black and is dirty. A—Remove the dipstick. B—Wipe the oil from the dipstick then reinsert the dipstick in its tube. C—Remove the dipstick. F—Use the recommended type and weight of oil when adding oil to the engine. Goodheart-Willcox Publisher Figure 9-2. Check the amount of oil in the engine using the dipstick.