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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
including '98-later EC3 units
rattling and eventual total failure of the 4th clutch and the housing
See graphic in photo gallery of the chart for usage details and other boost valve options
4L80E - 4L85E Transmission Overhaul Rebuild Kit
OE/OEM Part Number: BC3Z-7A262-D
Sonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70E tools including '98-later EC3 unitsBrand: Sonnax Other Part Number: S74480C Type: Check Valve Items Included: Servo Relaease Valve Kit Manufacturer Part Number: 77701 076 Universal Fitment: Yes Vintage Part: No Performance Part: Yes 4L60, 4L60 E, 4L65 E, 4L70 E Servo Release Check Valve Kit Part No. 77701 076 2nd Gear Servo Release Technicians would like to find a way to successfully extend the life of 3 4 clutches, and improve the 2 3 shift feel. They have been trying, with limited
