For a smoother ride and a longer-lasting transmission select ProTecta synthetic Transmission Treatment. ProTecta will restore friction and anti-shudder control, reduce sludge and formation of deposits, and improve wear protection. With the popularity of the over drive transmission, today's drivers are experiencing transmission torque converter shudder. Torque converter shudder is caused by the transmission boost valve sticking and pre-mature oxidation of friction modifiers in ATF. Protecta keeps working when factory fluids have lost their effectiveness. ProTecta enhances the fluid life with a synthetic formulation for maximum transmission performance. Protect Your Investment! Extend the Life of Your Automatic Transmission. Recommended for use in most all automatic transmissions and 4 x 4 transfer cases. Read More...