S15/T15 Jimmy 2WD L4-119 1.9L VIN A 2-BBL (1983)
Torque Converter Clutch: All Technical Service Bulletins
TCC - Engages at Incorrect Speed
Number:
83-I-23
Section:
VII
Date:
Dec., 1982
Subject:
TCC ENGAGES AT INCORRECT SPEED - ALL GAS ENGINES
TO:
ALL CHEVROLET DEALERS
If a condition is encountered where the torque converter clutch is engaging at the incorrect speed, be sure to check speedometer head
magnet field plate for foreign material i.e.: grease, dirt, etc. Foreign material on the drum could change the signal to the ECM resulting in
erratic TCC operation.
