S10/T10 P/U 4WD V6-173 2.8L (1986)
Torque Converter: Customer Interest
Driveline - Torsional Vibration After TCC Apply
Number:
87-143
Section:
7A
Date:
May, 1987
Subject:
TORSIONAL VIBRATION AFTER TCC APPLY
Model and Year:
1984-1987 T TRUCKS WITH 2.8L ENGINES AND THM 700-R4 AUTOMATIC
TRANSMISSIONS
TRANSMISSION MODELS:
7TAM, 7TBM
BULLETIN COVERS:
A new torque converter with a 215 lb.ft. pressure plate will reduce driveline torsional vibration on 1984-1987 T trucks in third gear that may begin
around 22 mph - 25 mph after the torque converter clutch (TCC) applies and may continue up to approximately 50 mph.
Figure No. 1 - THM 700-R4 TRANSMISSION IDENTIFICATION INFORMATION
Figure No. 2 TYPICAL CONVERTER