Oil Pressure Gauge - Erratic/Displays High

91olds02

NUMBER: 91-T-77

CORP.REF.NO: 006407F


DATE: March 1991

SECTION: 8A, 8C, 8D


SUBJECT: 3800 OIL PRESS. ERRATIC/DISPLAYS HIGH INSTALL A NEW SENDER


MODELS/YEARS: 1991 CUTLASS CIERA W/3300 ENGINE, NINTY-EIGHT W/UB3, AND TORONADO


CONDITION:

Some of the above listed vehicles may experience a condition where the oil pressure gage may be erratic or display very high pressures. This is due to an internal intermittent contact within the sending unit.

CORRECTION:

To correct the above condition, replace the oil pressure sender with part number 3522741.

Parts are currently available from GMSPO.

TOOL INFORMATION:

The special tool necessary to install this new sensor, J 39228 will not be available until June of 1991. Until that time Kent Moore has agreed to loan dealerships a prototype tool when necessary to resolve a customer concern. This loaner tool will be available in March by calling 1-800-345-2233 and ordering J 39228-LNR. The tool must be returned to Kent Moore within 48 hours since it will be used by more than one dealership. All dealers will receive J 39228 as a part of the 1991 Essential Tool Package when it becomes available.