Sonnax Ford 4R70W Sure Cure Reconditioning Shift Kit 4R75E 4R75W 4R75E Transmission 1996-On. HELPS CURE: Overdrive band failure; Code 628; TCC shudder; No lock up; High or low line pressure; Poor reverse boost. VALVE BODY & PUMP PARTS: Pressure regulator valve; P.R. boost sleeve and valve; Bypass clutch control valve and sleeve; 2-3 Shift valve endplug; Solenoid regulator valve clip; Overdrive servo pin. RE-ASSEMBLY PARTS: Intermediate clutch spiral snap ring; Direct drum Teflon rings; Input shaft Teflon rings; Forward drum Teflon rings.