QX56 V8-5.6L (VK56DE) (2004)
Technical Service Bulletin # 04-053A
Date: 041124
A/C - Humming Noise in Various Modes
Classification:
HA04-002a
Reference:
ITB04-053a
Date:
November 24 2004
2004 Qx56; HUMMING NOISE FROM HVAC SYSTEM
This bulletin has been amended to clarify the Service Procedure. Please discard paper copies of all earlier versions.
APPLIED VEHICLES:
2004 QX56 (JA60)
APPLIED DATE:
Vehicles built before December 12, 2003
IF YOU CONFIRM:
A humming noise is coming from the HVAC system during the following 4 conditions:
^
The vehicle is in "front defrost" mode and
^
the A/C is off and
^
the temperature is at "max warm" and
^
the fan speed is at # 3 or # 4.
ACTIONS:
Replace the Heater Side Link (Cam) assembly.
PARTS INFORMATION
CLAIMS INFORMATION
Submit a Primary Failed Part (PP) line claim using the claims coding table.
IMPORTANT:
The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service
Procedure as it contains information that is essential to successfully completing this repair.
Disclaimer
Service Procedure