A4AF3/A4BF2 Transmission Valve Body Kit with six solenoids This Valve Body Upgrade Kit from TransLab Superior will work for the A4AF3 and A4BF2 transmissions commonly used in the Elantra, Accent and Tiburon. This Valve Body Upgrade Kit corrects or prevents the following problems: 2-3 flair, slide 1-2, part throttle 3-2 bang, coast 3-2 clunk, 4-2 kick-down runawa, delayed/soft/slow N-D engagement, delayed reverse and mushy 2-3. This Valve Body Upgrade Kit also provides improved cooler flow, lube, & lockup operation, shorter shifts, and extended clutch & band life.