4L60 700R4 Updated NEW Throttle Valve Plunger Valve Kit Sonnax 77966-94MK

Description

4L60 700R4 Transmission Throttle Valve Plunger Valve Kit Sonnax 77966-94MK
Prevents forced 4-3 kickdown below three-quarter throttle
Poor line rise or no detent downshifts can be common complaints in vehicles with a THM 700-R4 transmission. The steel throttle valve plunger continuously reciprocates within the aluminum throttle valve plunger sleeve, wearing the sleeve. This wear allows throttle valve feed oil to leak past the plunger and exhaust, resulting in poor line rise and problematic downshifts. In addition, the OE spring is weak and can result in low line rise, insufficient throttle pressure and, ultimately, 3-4 clutch failure. Sonnax throttle valve plunger valve kit 77966-94MK includes an improved throttle valve spring designed to maintain higher line pressure and improved TV performance.
Sleeve is made from high-quality aluminum to prevent wear.
Sleeve and plunger have been tightly toleranced to restore hydraulic integrity.
Contents
Spring
Sleeve
Plunger
APPLICATIONS
Buick Roadmaster 1992-1993
Cadillac Fleetwood 1990-1992 4SPD RWD
Chevrolet Astro Van 1987-1992
Astro Van 1989-1992 4SPD 4X4
Blazer 1987-1993 4SPD 4X4
Camaro 1987-1992 4SPD RWD
Caprice 1987-1993 4SPD RWD
Corvette 1987-1993
Suburban 1990-1992 1/2 TON 2WD 4WD
Truck 1983-1992 4SPD 4X2 4SPD 4X4
GMC Jimmy 1983-1993 4SPD 4X4 4SPD RWD
S15 1983-1991 4SPD 4X4 4SPD RWD
Safari 1985-1993
Sonoma 1991
Suburban 1992
Oldsmobile Bravada 1991-1992
Pontiac Firebird 1983-1993 4SPD RWD
Parisienne 1983-1988 4SPD RWD
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