
4L80E Transmission Oversized TCC Regulator Valve Kit Sonnax 34994-18K
Non-Domestic Product: NoCustom Bundle: NoFitment Type: Direct ReplacementItems Included: Valve, Sleeve, Springs, PinManufacturer Part Number: 34994-18KModified Item: NoTransmission Type: AutomaticBrand: SonnaxType: Valve Body repair kitManufacturer Warranty: Unspecified LengthSurface Finish: NewCountry/Region of Manufacture: United StatesPerformance Part: Yes4L80E - 4L80E Transmission Valve Body End Plug Kit Oversized TCC Regulator Valve KitPart No. 34994-18K REAMER TOOLING REQUIRED (# F-34994-TL18 - NOT INCLUDED) GM vehicles equipped with 4L80-E and 4L85-E transmissions may exhibit problems such as TCC shudder, burnt converter linings, TCC apply and release concerns and related codes. These issues can often be caused by critical pressure loss due to excess wear in the TCC regulator bore. Reconditioning the bore and installing Sonnax oversized TCC regulator valve kit 34994-18K shores up the hydraulic integrity of the TCC control circuit to return robust TC