A/T - Updated Diagnosis

9232oldsmobile02

NUMBER: 92-U-36

CORP.REF.NO: 277119

DATE: May 1992

SECTION: 7A, 4T60-E


SUBJECT:
AUTOMATIC TRANSAXLE DIAGNOSIS


MODELS/YEARS:
1992 EIGHTY EIGHT, NINETY EIGHT, TORONADO,
AND SILHOUETTE WITH 3800 ENGINE


CORRECTION:
The 1992 "Automatic Transaxle Diagnosis" section for the 3800 used in the Eighty Eight, Ninety Eight, Toronado, and Silhouette should include both RPO L27 and RPO L67 in the section title:

Section/HYDRA-MATIC 4T60-E (w/3800 TPI, MPI L27 and L67 SCI Engines) AUTOMATIC TRANSAXLE DIAGNOSIS





Please note in the appropriate service manuals that figures 1 through 7 in this bulletin replace the following revised figures.





Figure 1 - Failsafe Actions and PCM Inputs





Figure 2 - Failsafe Actions and Solenoid Operations





Figure 3 - Failsafe Actions and Solenoid Operations





Figure 4 - Hydraulic, Mechanical, and Electrical Diagnosis Chart





Figure 5 - Hydraulic, Mechanical, and Electrical Diagnosis Chart





Figure 6 - Hydraulic, Mechanical, and Electrical Diagnosis Chart





Figure 7 - Hydraulic, Mechanical, and Electrical Diagnosis Chart