GM 6T70/75/80 (Gen. 2) Oversized Actuator Feed Accumulator Piston Kit - Transmission Digest

GM 6T70/75/80 (Gen. 2) Oversized Actuator Feed Accumulator Piston Kit

The new oversized actuator feed accumulator piston kit re-establishes correct clearance for revived shift control in all ranges.

GM Gen. 2 6T70/75/80 units often suffer shift abnormalities caused by excess wear in the actuator feed accumulator piston bores. This wear allows actuator feed limit fluid loss which prevents proper regulation of oil pressure supplied to control solenoids, resulting in harsh or soft shifts, solenoid codes and clutch failure. This new oversized actuator feed accumulator piston kit (#124740-65K) from Sonnax re-establishes correct clearance for revived shift control in all ranges and combats premature wear. 

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