What is the automatic transmission fluid model for the 2012 Focus?
2 Answers
The factory-specified fluid from Ford is a specialized red-can oil labeled with the Ford logo, with the model number WSSM2C202AA. 1. Fluid exchange using a circulation machine: When replacing transmission fluid while the vehicle is running, the amount required depends on your transmission type, typically starting at 4L. It's recommended to purchase 5L, especially if the car is frequently driven, as some fluid may be consumed. However, with the gravity drain method, the fluid in the torque converter cannot be removed, leaving a significant amount of dirty old fluid in the transmission. With a circulation machine, all the fluid in the transmission is extracted, and new fluid is fully injected, ensuring a thorough replacement. 2. Main functions of transmission fluid: To keep the shifting system clean and to lubricate the transmission components, extending their lifespan. Transmission designs vary, including manual transmissions and automatic transmissions (further divided into CVT, AMT, etc.), each with different technical requirements. Even the same transmission model installed in different vehicles may differ in torque, weight, speed, and structure, so the manufacturer specifies its own dedicated transmission fluid.
I've been driving a 2012 Focus automatic for several years and change the transmission fluid at every service using Motorcraft Mercon LV. Ford officially specifies this fluid because it matches the design of the 6-speed automatic transmission, protecting the torque converter and gear sets to reduce wear. If you don't use the specified fluid, it may cause shifting jerks or overheating issues, leading to higher repair costs. The fluid level should be checked and changed every 40,000 kilometers, as both overfilling and underfilling affect performance. When changing it yourself, wear gloves and prepare funnel tools for safety. A bottle of ATF usually costs a few dozen yuan, and regular maintenance is much more cost-effective than major repairs.