Defroster Outlets - Whistling Sound: Overview
NUMBER: 24-011-01GROUP: Heating and Air Conditioning
DATE: Sept. 7, 2001
SUBJECT:
Heater A/C System Whistle
OVERVIEW:
This bulletin involves installing air deflectors in the instrument panel center air outlets and installing a revised actuator cam and floor door lever.
MODELS:
2001 (AN) Dakota
2001 (DN) Durango
SYMPTOM/CONDITION:
Some vehicles may exhibit a whistling sound coming from the defroster outlets, low air flow at the floor in the floor mode or side glass fogging at low ambient temperatures when the blower is operated at higher speeds.
DIAGNOSIS:
Operate the blower at M1, M2 and high speed with mode switch positioned in the Floor mode, at the detent between Floor/Panel and Floor and at the dentent between Floor/Defrost and Floor. If the whistling sound is present, perform the Repair Procedure. If customers complain of the foot well being too warm after extended driving or of the side glass fogging, perform the Repair Procedure.
PARTS REQUIRED:
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE: