The Sure Cure Transmission Reconditioning Kit - E4OD/4R100

Sonnax Sure Cure???? Kits combine the best Sonnax products into one box, offering rebuilders a convenient and cost-effective way to address common transmission problems. These kits simplify ordering, stocking and estimating job costs, and include easy-to-read, step-by-step instructions that cover the inspection and repair of the most critical areas of the unit, and even a reference list of rebuilding specifications.

This E4OD transmission reconditioning kit includes the following Sonnax parts and addresses these problems:

Boost valve assembly (36424-01K) - Poor reverse boost, poor line rise and soft shifts
Center support gasket (36743G) U.S. Pat. Nos. 6,325,388 - Poor lube, forward clutch failure. Highlights: & 6,588,766 Silicone printed gasket eliminates leakage between support and hub
3-4 accumulator control valve (36948-09K) - Loss of 3rd or 4th gear, soft shifts, premature clutch failure. Highlights: New redesigned valve & clip prevent valve hangup
1-2 & 2-3 accumulator control valves (36948-13K) - Loss of 2nd gear, soft shifts. Highlights: New redesigned valve & clip prevent valve hangup
Line pressure modulator valve kit (36948-05K) - Soft/harsh shifts, poor line rise
One-piece case bushing (36008B) - Bushing failure. Highlights: This hardened one-piece case bushing replaces worn OEM bushings
Endplay shims (36402-Z) - Driveline clunk, excessive unit endplay
Relief Tee (10000-02) - Worn plates and valve sticking
Sure Lock overdrive piston - Loss of 4th return spring retaining ring (36744-01)
Front/lube drainback valve (36425-01K) - Overdrive planetary failure