PETERBILT 372 1991: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

General Information

NHTSA Campaign ID Number: 91V035000

Make Model Year
PETERBILT 372 1991
Date Owners Notified Date Received by ODI Date Added to Database
1991-04-12 1991-03-04 1991-03-13

Production Dates: 1988-09-01 - 1991-02-01

Manufacturers Involved: PACCAR Incorporated

Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

Potential Number Of Units Affected: 515

Report Initiator: MFR MFR Report

Consequence

THIS COULD RESULT IN MELT DOWN OF SURROUNDING PLASTICHOUSING AND POSSIBLE IGNITION OF THE MELTED MATERIAL, RESULTING IN A FIRE.

Remedy

REPLACE BLOWER SWITCH RESISTOR WITH RESISTOR WITH FUSIBLE LINK, AND RELOCATE THE RESISTOR TO A LOCATION WITH INCREASED FLOW OF COOLING AIR.

Notes

SYSTEM: BLOWER MOTOR.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.DESCRIIPTION OF DEFECT: BINDING OR FREEZING OF BLOWER MOTOR WITH LOSS OF COOLINGAIR AND INCREASED CURRENT DRAW COULD CAUSE BLOWER SWITCH RESISTOR COIL TO HEATEXCESSIVELY.