1991 Porsche 911
Safety Recalls & Notices
4 Active Recalls
Requires attention
STEERING: STEERING WHEEL/HANDLE BAR
Summary
A PART OF THE STEERING COLUMN UPPER UNIVERSAL JOINT CRACKED DURING THE MANUFACTURING PROCESS.
Potential Consequence
THIS CONDITION COULD RESULT IN NOISE AND FREE PLAY IN THE STEERING SYSTEM AND IF LEFT UNCORRECTED, WILL RESULT IN LOSS OF STEERING CONTROL.
Remedy
DEALERS WILL INSPECT THE UNIVERSAL JOINT FOR CRACKS AND WILL REPLACE CRACKED JOINTS WITH NEW PARTS.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
Summary
THE HYDRAULIC BRAKE PRESSURE REDUCTION VALVE CAUSES THE RATE OF HYDRAULIC PRESSURE REDUCTION TO SLOW DOWN, WHICH MAY RESULT IN THE REAR WHEELS LOCKING-UP EVEN WITH THE ANTI-LOCK BRAKE SYSTEM IN OPERATION.
Potential Consequence
REAR WHEEL LOCK-UP MAY RESULT IN LOSS OF VEHICLECONTROL AND AN ACCIDENT.
Remedy
PORSCHE DEALERS WILL INSTALL A MODIFIED HYDRAULIC BRAKE PRESSURE REDUCTION VALVE.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
Summary
AFTER THE ENGINE HAS BEEN TURNED OFF, THE REAR HEATER WILL AUTOMATICALLY OPERATE IN ORDER TO DISSIPATE HEAT IN THE ENGINE HEATING SYSTEM. DURING THIS OPERATION, THE RESISTOR FOR THE REAR HEATER BLOWER CAN BECOME OVERLOADED DUE TO A BINDING OR SEIZED REAR HEATER BLOWER.
Potential Consequence
THE OVERLOADED RESISTOR CAN CREATE HEAT SUFFICIENT TOIGNITE THE PLASTIC AIR PIPE TO WHICH IT IS CONNECTED, RESULTING IN AN ENGINECOMPARTMENT FIRE.
Remedy
PORSCHE DEALERS WILL INSTALL A NEW RESISTOR CONTAINING A CIRCUIT BREAKER.
VEHICLE SPEED CONTROL
Summary
THE BALL SOCKETS ON THE CRUISE CONTROL LINKAGE CAN BREAK, ALLOWING THE CRUISE CONTROL LINKAGE TO BECOME DETACHED ON ONE END AND JAM ON NEARBY COMPONENTS, WHICH COULD IMPAIR THROTTLE PLATE OPERATION.
Potential Consequence
IMPAIRED THROTTLE PLATE OPERATION COULD PREVENT THEENGINE FROM RETURNING TO IDLE, RESULTING IN UNWANTED ENGINE SPEED AND POSSIBLEVEHICLE ACCIDENT.
Remedy
REPLACE THE CURRENT PLASTIC BALL SOCKETS WITH A NEW LINKAGE USING STEEL BALL SOCKETS, AND LUBRICATE THE CRUISE CONTROL RELAY LEVER. OWNERS ARE ADVISED NOT TO USE THE CRUISE CONTROL UNTIL THE MODIFICATION IS INSTALLED.
Generated by Cardog • December 12, 2025
1991 Porsche 911
Safety Recalls & Notices
4 Active Recalls
Requires attention
