Sonnax 34994-01K Transmission Torque Converter Clutch (TCC) Regulator Valve

Brand: Sonnax Other Part Number: S34741CK Type: Lock-up Valve Kit Interchange Part Number: S34741CK  Items Included: TCC Regulator Valve Kit Manufacturer Part Number: 34994-01K Material: Aluminum Universal Fitment: Yes Vintage Part: No Performance Part: No 4L80-E, 4L85-E Transmission Lock-up Repair TCC Regulator Valve KitPart No. 34994-01K 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. Installing Sonnax TCC regulator valve kit 34994-01K shores up the hydraulic integrity of the TCC control circuit to return robust TCC operation. Hardcoat anodized aluminum valve combats premature wear Lengthened critical spool for added stability and wear prevention Annular grooves help center valve in bore to reduce future side-load wear Added chamfer to improve apply