boost valve and sleeve kit sonnax 4t65e mn7 mn3 m76 Transmission_4F27E LACETTI 2004-2010 4 SP FWD

LACETTI 2004-2010 4 SP FWD L4 1

the kit includes a new TCC regulator valve fitted with a scarf cut sealing ring

Transmissions: K4 1988

A4LD 1985-UP

Transmissions: U341E (U341) 1999-UP

boost valve and sleeve kit sonnax 4t65e mn7 mn3 m76 Transmission_4F27E LACETTI 2004-2010 4 SP FWDBoost Valve and Sleeve Kit Sonnax 4T65E MN7 MN3 M76 Vehicles with GM 4T65 E transmissions often exhibit such problems as soft upshifts (especially 1 2), delayed Reverse and low line rise. This can be traced to wear of the OE boost sleeve assembly. The OE boost sleeve assembly consists of two 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 OE boost