Bonneville V8-305 5.0L (1983)
Pressure Regulating Solenoid: All Technical Service Bulletins
A/T - Firm or Harsh 1-2 Shift/Soft or Slipping 1-2 Shift
Number
84-7-31B
Date
10/84
Subject:
I. FIRM OR HARSH 1-2 SHIFT
II.
SOFT OR SLIPPING 1-2 SHIFT
1983-1984 200-4R TRANSMISSIONS MODELS BT, BY, BQ, AND OM
MODELS AFFECTED:
Grand Prix, Bonneville, Parisienne, Parisienne Wagon
Some 1983 and 1984 THM 200-4R transmissions (Models BT, BY, BQ and OM) may experience a condition relating to the above subject..
Beginning in February 1984, the parts in the service packages listed below went into production to correct these conditions.
Subject I. Firm or Harsh 1-2 Shift
Use the following service package for transmission models BT and BY.
Service Package:
8639912
1
- Control Valve Body Assembly
1
- Intermediate Servo Cushion Spring
1
- 1-2 Accumulator Piston Spring
1
- Pressure Regulator Valve Spring
1
- Control Valve Body Spacer Plate
1
- Instruction Sheet
Service Procedure:
Remove the following parts and replace them with the parts contained in the above service package.
1.
Control Valve Body Assembly
2.
Intermediate Servo Cushion Spring
3.
1-2 Accumulator Piston Spring
4.
Pressure Regulator Valve Spring
5.
Control Valve Body Spacer Plate
6.
3-4 Accumulator Piston Spring
FIGURE 1