Sonnax GM 4T65E Boost Valve and Sleeve Kit 4T65-E Automatic Transmission
OPT Product Code: SNX-84754-30K$87.35
Product Details
Vehicles with a 4T65-E transmission often exhibit such problems as soft upshifts (especially 1-2), delayed reverse and low line rise. This can be traced to wear of the OEM boost sleeve assembly. The OEM boost sleeve assembly consists of 2 steel valves and a steel plug that reside in the boost sleeve. The steel valves wear the aluminum sleeve and allow leakage of boost pressure. The OEM boost assembly is not serviceable separately from OEM, which forces the purchase of a new and expensive valve body. Sonnax now offers an upgraded boost sleeve assembly 84754-30K to replace the worn OEM parts and allow the OEM valve body to be used and restore the hydraulic integrity of the circuit.
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