WHITE GMC WX 1990: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT

General Information

NHTSA Campaign ID Number: 90V179000

Make Model Year
WHITE GMC WX 1990
Date Owners Notified Date Received by ODI Date Added to Database
1990-11-05 1990-11-01 1990-11-26

Production Dates: 1989-09-01 - 1990-09-01

Manufacturers Involved: General Motors, LLC

Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT

Potential Number Of Units Affected: 405

Report Initiator: MFR MFR Report

Consequence

IF SUCH CONTACT OCCURS WHEN HEATER FAN IS ON MEDIUMSPEED, AN ELECTRICAL SHORT OCCURS, CAUSING THE FAN SPEED CONTROL RESISTOR TOOVERHEAT AND MELT THE PLASTIC FAN HOUSING; THIS WOULD CREATE A POTENTIAL FORA FIRE.

Remedy

REPOSITION AIR RIDE SUSPENSION VALVE TO PREVENT ITS CONTACT WITH THE HEATER FAN CONTROL SWITCH.

Notes

SYSTEM: AIR RIDE SUSPENSION VALVE; HEATER FAN CONTROL SWITCH.VEHICLE DESCRIPTION: 33,000 LBS. GVWR HEAVY-DUTY TRUCKS.DESCRIPTION OF DEFECTS: A FITTING ON THE AIR RIDE SUSPENSION VALVE MAY TOUCH THEHEATER FAN CONTROL SWITCH.