1991 Porsche 911

Routine

Owners filed 1 complaints about this vehicle with federal regulators, most often about the engine. It has been recalled 4 times.

What fails
ComponentReportsCrashesFiresInjuries
Engine1
000

4 safety recalls

Part 573 reports
Steering › Steering Wheel/Handle Bar96V147000
Filed Aug 8, 199612,538 vehiclesPorsche Cars N.a. Inc.

Defect. A PART OF THE STEERING COLUMN UPPER UNIVERSAL JOINT CRACKED DURING THE MANUFACTURING PROCESS.

Risk. 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 Fittings93V205000
Filed Dec 7, 19931,149 vehiclesPorsche Cars N.a. Inc.

Defect. 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.

Risk. 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 Breakers93V204000
Filed Dec 7, 199311,346 vehiclesPorsche Cars N.a. Inc.

Defect. 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.

Risk. 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 Control92V142000
Filed Oct 5, 199211,091 vehiclesPorsche Cars N.a. Inc.

Defect. 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.

Risk. 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.

What owners reported

Newest filings
Engine
Filed May 13, 202192,398 milesCA

ON 4/18/2021 I WAS DRIVING MY 1991 PORSCHE C2 ON THE 10 FREEWAY IN MONTEREY PARK, CA WHEN SUDDENLY I HEARD A LOUD BANG SOUND FROM THE ENGINE. I GOT OFF THE FREEWAY AND STOPPED AND FOUND THAT THE ENTIRE ENGINE COOLING FAN HAD COMPLETELY SHEARED OFF AND BROKE APART ALONG WITH THE FAN BELTS. LESS THAN 5 YEARS AGO THE SAME ENGINE COOLING FAN HAD TO BE REPLACED BECAUSE IT BROKE APART. THIS FAN ALSO BROKE APART ABOUT 20 YEARS AGO! THE CURRENT INCIDENT CAUSED DAMAGE TO THE ALTERNATOR AND AIR CONDITIONER COMPRESSOR AND THE BELTS AND SMALL DENTS TO THE BACK LID.

1 of 1 complaints, reproduced as filed.

Across model years

Worst on record: 1995
YearComplaintsRecallsFiresDeathsAssessment
20251200Routine
20245300Do not drive
20233500Do not drive
202210400Do not drive
20215610Do not drive
20205200Routine
20192100Routine
20181100Routine
20173300Routine
20162200Routine
20158110Routine
20143100Routine
20136000Routine
20125010Routine
20053000Routine
20048000Routine
20039000Routine
20029000Routine
20018000Routine
20006100Routine
19998100Routine
19982100Routine
19973100Routine
19966300Routine
199512030Routine
19940100Routine
19930200Routine
19922400Routine
1991 — this page1400Routine
19901400Routine

Compare every 911 year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Aug 8, 1996. Source: NHTSA Office of Defects Investigation.