A/T - Erratic Shifts, or Soft 1-2 and 2-3 Shifts
Model Year 1983Bulletin No. 83-195
File in Group 70
Number 36
Date Oct.'83
SUBJECT: ERRATIC SHIFTS
MODELS AFFECTED: 1983 REGAL "T" TYPE EQUIPPED THM 200-4R MODEL "BR" TRANSMISSIONS
Some early 1983 THM 200-4R Model "BR" transmissions may experience erratic shifts, or soft 1-2 and 2-3 shifts.
To reduce these erratic shifts, a new Intermediate Servo Assembly was introduced into later 1983 production.
When servicing any 1983 THM 200-4R model "BR" transmission with any erratic shift condition, that has a "3-BR-1" or a "3-BR-2" ink stamp on the top, front bell housing of the transmission, replace the Intermediate Servo Assembly with service part numbers:
1 - Intermediate Servo Piston/Oil Seal Ring Package 8632980
1 - Intermediate Servo Cushion Piston 8639264
1 - Intermediate Servo Piston /Oil Seal Oil Ring Package 8632928
1 - Intermediate Servo Cover/O-Ring Seal 8628136