UNDERHOOD FIRE OCCURED ON VEHICLE WHILE TRAVELING EB ON LIE. ENGINE COOLING FAN MOTOR SIEZED, RESULTING IN A UNINTERUPTED GROUND FAULT WHICH BURNED ALL THE WIRES IN THE MAIN WIRING HARNESS. THERE WAS NO CIRCUIT BREAKER OR FUSE PROVIDED IN THE WIRING TO PREVENT A GROUD FAULT FROM OCCURING. AUDI UPGRADED SUBSUQUENT MODEL YEARS OF …
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UNDERHOOD FIRE OCCURED ON VEHICLE WHILE TRAVELING EB ON LIE. ENGINE COOLING FAN MOTOR SIEZED, RESULTING IN A UNINTERUPTED GROUND FAULT WHICH BURNED ALL THE WIRES IN THE MAIN WIRING HARNESS. THERE WAS NO CIRCUIT BREAKER OR FUSE PROVIDED IN THE WIRING TO PREVENT A GROUD FAULT FROM OCCURING. AUDI UPGRADED SUBSUQUENT MODEL YEARS OF THIS VEHICLE WITH A FUSEABLE LINK ON THE GROUND SIDE OF THE COOLING FAN MOTOR, BUT FAILED TO PROVIDE THE UPGRADE TO OWNERS OF 1984 THRU 1989 VEHICLES. COMPLETE DESTRUCTION OF THE VEHICLE WAS PREVENTED ONLY BY MY ABILITY TO DISCONNECT THE BATTERY CABLES IN A RAPID MANNER.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Consequence & remedy
Consequence: IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.
Remedy: DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.
Consequence & remedy
Consequence: IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE FRONT WHEELS LOCK, CAUSING RAPIDDECELERATION RESULTING IN POSSIBLE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy: DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
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