Castle® TC-12TM is formulated with a special blend of additives that ensure cleanliness and lubrication of vital automatic transmission parts. TC-12TM works to clean, lubricate, and prevent leaks, while preventing system wear. When transmission fluid is changed, 1/3 of the old fluid is left in the torque converter. To keep the old fluid from contaminating the new fluid, treat with TC-12TM.Compatible with all conventional transmission fluids, full synthetic and synthetic blends. Treats up to 16 quarts. Uses: • For any automatic transmission as preventive maintenance. Directions: 1. Add each time transmission fluid is changed, or at any time fluid needs topping off. 2. For vehicles pulling trailers or boats, add at 10,000 miles or before. 3. DO NOT OVERFILL.
- Compatible with all transmission fluids
- A complex blend of friction modifiers to reduce friction
- Will improve fuel economy
- Increases transmission life