A/T - Revised Diagrams & Diagnostics

9232oldsmobile01

NUMBER: 92-U-18

CORP.REF.NO: 177127

DATE: December 1991

SECTION: 7A


SUBJECT:
AUTOMATIC TRANSAXLE DIAGNOSIS WITH 4T60 AND 4T60E (ME9, M13) TRANSAXLE

MODELS/YEARS:
1992 CUTLASS CIERA, CUTLASS SUPREME,
EIGHTY EIGHT, NINETY EIGHT,
TORONADO & SILHOUETTE


This bulletin updates the 4T60 and 4T60E Transaxle diagnosis section of certain 1992 Service Manuals. Mark a reference to this bulletin in your copy(s) of the effected manual(s).

CORRECTION:
The on-board computer in a Cutlass Supreme with a 3.4L engine and Hydra-Matic 4T60-E transaxle should be referred to is an ECM and not a PCM as published throughout the 1992 service manual. Review the chart and pages for additional corrections.





REVISED SERVICE MANUAL INFORMATION





1992 HYDRA-MATIC 4T60 SHIFT SPEED CHARTS






Line Pressure Check 4T60





Wiring Diagram 4T60





HYDRA-MATIC 4T60-E SHIFT SPEED CHARTS 3.4L





HYDRA-MATIC 4T60-E SHIFT SPEED CHART (3800)





HYDRA-MATIC 4T60-E LINE PRESSURE CHECK





HYDRA-MATIC 4T60-E WIRING DIAGRAM