Toronado V6-231 3.8L (1986)
Valve Body: Customer Interest
A/T - Harsh 3-2 Downshift at High Altitudes
SUBJECT
SHIFT CONDITIONS AND SERVICE
NUMBER: 86-T-60
INFORMATION FOR HARSH 3-2 DOWNSHIFT
DATE:
November 12, 1986
MODELS/YEARS
ALL 1985-86 VEHICLES EQUIPPED WITH
THM 440-T4 (ME9) TRANSAXLE
SECTION: 7A
This bulletin pertains to shift conditions and service information for:
I..
Harsh 3-2 Shift - High Altitude
II.
Harsh 3-2 Shift - 3.0L Engine Delta 88 (H Series)
III. Harsh 3-2 Shift - Other than 3.0L Engine Delta 88 (H Series) or High Altitude
IV. Harsh 3-2 Shift Maneuver
I.
HARSH 3-2 SHIFT AT HIGH ALTITUDE -
1985-86 Cutlass Ciera (A Series) 1985-86 Ninety-Eight (C Series)
1986
Delta 88 (H Series)
1986
Toronado (E Series)
Service Action:
A harsh 3-2 shift at high altitude conditions may be corrected by installing a service package that contains:
-Package, spacer plate gaskets (2) -Instruction sheet -Spring, 3-2 control valve
Service Parts Information:
FIGURE 1
3-2 Control Valve Spring
Transaxle Model Identification
Package Number
(Refer to Figure 1)
8646979
6BCH, 6BDH, 6BHM, 6BZH, 5BX
8646980
6BAH
8646981
6ACH, 6AWH, 5AC, 5AY, 5BW
8646982
6AAH, 6AMH, 6AFH, 6APH, 6ASH, 6AYH, 6BBH, 6BHH, 5AM
8646983
6CMH, 6CNH, 6CFH, 5CM, 5CN
8646992
6BLH, 6BTH, 6BYH
8646993
5BR, 5CP, 5CW
8646994
5BV
Models used by Oldsmobile are underlined.
Service Manual Reference: