A/T - Second/Third Gear Start, No Third, Erratic Shift

TO: ALL BUICK DEALERS
SUBJECT: 1984 THMZOOC 2-3 T.V. SPRING BREAKING GROUP NO. 7-200 DCS NO. 8417 1-27-84
A FEW COMMENTS HAVE BEEN RECEIVED ABOUT THE 2-3 THROTTLE VALVE SPRING BREAKING IN THE CONTROL VALVE ASSEMBLY WHICH IS USED IN THE 1984 THM200C "BH" MODEL TRANSMISSION. THIS CONDITION CAN CAUSE A SECOND GEAR START, THIRD GEAR START, NO THIRD GEAR OR ERRATIC SHIFTS. IF THIS CONDITION OCCURS, REMOVE THE CONTROL VALVE ASSEMBLY. REMOVE THE 2-3 VALVE PARTS, AS SHOWN IN THE 1984 SERVICE MANUAL, PAGE 20OC-45, FIGURE 20OC-179, ITEMS 5 THROUGH 8. THE 2-3 T.V. SPRING IS ITEM #7. THOROUGHLY CLEAN THE CONTROL VALVE ASSEMBLY. INSTALL THE NEW 2-3 T.V. SPRING AND OTHER PARTS AS PER THE SERVICE MANUAL INSTRUCTIONS. IN THE REPLACEMENT SPRING MAY BE OBTAINED THROUGH YOUR LOCAL ZONE OFFICE. PLEASE REPRODUCE THIS FOR YOUR NON-DCS DEALERS. TECHNICAL SERVICE/1/30/84 J. D. MACK/MS 8:58 A.M.