Torque Converter
8 speed transmission; Engine VIN D; 8 speed; IF SHUDDER CONDITION, SEE TSB 19-NA-121 AND THE VEHICLE PERFORMANCE EVALUATED AFTER COMPLETING THE FLUID EXCHANGE PROCEDURE; CHEVROLET "LTD"/G.M.C. "LIMITED"(J21)
Torque Converter
6 speed transmission; Engine VIN F; 6 speed; SEE TSB 21-NA-199 FOR THERMAL BYPASS VALVE. INSTALL PER GM POLICIES AND PROCEDURES. FAILURE TO FOLLOW TSB MAY RESULT IN REJECTED WARRANTY CLAIM