Sonnax 84754-01K TCC Regulator & Isolator Valve Kit 4T60-E fit 93-later units Alto Vacuum Test Nut

Vacuum Test Nut

Cannot be used in units that have a 053 separator plate

To prevent this problem

FITS 2011-ON 4x4

Covers 1989-98 E40D Trucks and Vans

Sonnax 84754-01K TCC Regulator & Isolator Valve Kit 4T60-E fit 93-later units Alto Vacuum Test NutManufacturer Part Number: 84754 01K Other Part Number: S84741CK Brand: Sonnax 4T60 E TCC Regulator & Isolator Valve Kit Part No. 84754 01K Fits '93 later units. Common complaints with '93 later GM 4T60 E units are falling out of lockup hot, codes 39, 740 and 1870, adverse lockup in cold weather, torque converter shudder and burn up of the TCC lining. These complaints can be caused by a worn TCC regulator sleeve and or a worn valve body bore in the