1991 INFINITI Q45 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1991 INFINITI Q45, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical1023.3%
- Brakes614.0%
- Suspension511.6%
- Visibility49.3%
- Transmission49.3%
- Engine49.3%
- Fuel system24.7%
- Airbags24.7%
- Interior & seats24.7%
- Other / unspecified12.3%
- Tires & wheels12.3%
- Heating & air conditioning12.3%
- Body & structure12.3%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
FRONT SPEAKERS BEGAN MALFUNCTIONING LESS THAN AN HOUR AFTER A RECALL SERVICE REPLACING THE REAR SPEAKER AMPLIFIORS. RECALL NOTICE STATED THAT REAR SPEAKERS COULD MALFUNCTION AND CAUSE A FIRE. THE NOTICE WARNED THAT IF A "POP" WAS HEARD TO TURN OFF THE SYSTEM. WITHIN LESS THAN AN HOUR OF THE RECALL SERVICE THE FRONT SPEAKERS BEGAN TO OCCASINALLY "POP" AND THEN GO OFF AND ON. THE CASSETTE PLAYER ALSO BEGAN TO MALFUNCTION FOR THE FIRST TIME , GO "OFF AND ON" AND PLAYS TAPES AT AN ACCELEATED RATE OF SPEED. DEALER AND INFINITTI HAVE BEEN CONTACTED AND REFUSE TO CORRECT THE PROBLEMS STATING NO CONNECT BETWEEN THE PERFORMED RECALL AND THREE COMPONENT SYSTEM MALFUNCTION WHCIH APPEARED FOR THE FIRST TIME LESS THAN AN HOUR LATER. PLEASE TELL ME IF THE FRONT SPEAKER "POPPING" REPRESENTS ANY KIND OF SAFETY RISK AND IF SO WHAT I NEED TO DO?
THE COMPUTER ALMOST CAUGHT ON FIRE BECAUSE IT IT'S LOCATED DIRECTLY ABOVE THE GAS TANK. THE DEALER AND MANUFACTURER HAVE BEEN NOTIFIED. *AK
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
VEHICLE HAS DEFECTIVE BRAKE PADS. WHILE DRIVING AND PRESSING THE BRAKE PEDAL, IT GOES DOWN METAL TO METAL. THERE WAS NO WARNING/INDICATOR LIGHT. SPEED LIMIT IS AT NORMAL OR BELOW, WHEN GOING DOWN HILL THE VEHICLE IS IN SECOND GEAR, DEALER CONTACTED DEALER, AND STATES THAT THE PADS ARE SUFFICIENT FOR THE VEHICLE. *AK
VEHICLE HAS A HISTORY OF REQUIRING BRAKE PADS EVERY 3000 TO 12000 MILES. OWNER FEELS THERE'S SOMETHING WRONG WITH THE BRAKE SYSTEM.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
WHEN SWITCHING GEARS FROM PARK TO DRIVE VEHICLE HESITATES, CONSUMER ALSO, WHEN TRAVELING THERE IS A LOUND NOISE COMING FROM THE FRONT END, TRANSMISSION SLIPPING. CONSUMER HAS CONTACTED THE DEALER, DEALER STATED FUEL FILTER LINE NEEDED REPLACING. PLEASE PROVIDE ANY FURTHER DETAILS. *AK
DIAPHRAGM ON THE SUSPENSION SYSTEM HAS A TENDENCY TO RUPTURE AND IS EVIDENCED BY A GENERAL COLLAPSE OF THE SUSPENSION SYSTEM AT ALL FOUR CORNERS OF THE VEHICLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
WINDOW FALL DOWN INTO DOOR.
RIGHT PASSENGER WINDOW FALLS DOWN INSIDE OF DOOR. TRANSMISSION FLUID LEAKS ONTO EXHAUST SYSTEM RESULTING IN LOTS OF SMOKE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
WHEN SWITCHING GEARS FROM PARK TO DRIVE VEHICLE HESITATES, CONSUMER ALSO, WHEN TRAVELING THERE IS A LOUND NOISE COMING FROM THE FRONT END, TRANSMISSION SLIPPING. CONSUMER HAS CONTACTED THE DEALER, DEALER STATED FUEL FILTER LINE NEEDED REPLACING. PLEASE PROVIDE ANY FURTHER DETAILS. *AK
DEFECTIVE TORQUE CONVERTER IS CAUSING A VIBRATION EFFECT WHEN GAS IS PRESSED AND SPEEDODMETER READS 40-55 MPH. DEALER CONTACTED, AND ARE AWARE OF THE PROBLEM WITH OTHER MODELS, BUT NOT ON THIS MODEL. HOWEVER, PROBLEM STILL EXISTS. PROVIDE FURTHER INFORMATION. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
INTERMITTENTLY, THE VEHICLE STALLS OUT WHEN DECELERATING AND THE POWER STEERING DISENGAGES. THIS HAS CAUSED ALMOST SERVERAL MISSED CRASHES. A TECHNICAL SERVICE BULLETIN # FC0008624 HAS BEEN ISSUED ON THIS SITUATION. (LETTER WRITTEN BY FATHER FOR DAUGHTER) *CJ
RADIATOR CAP LEAKS, CAUSING FLUID TO LEAK OUT ONTO THE ENGINE WHILE THE VEHICLE IS BEING DRIVEN. DEALER HAS BEEN CONTACTED. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
WHEN SWITCHING GEARS FROM PARK TO DRIVE VEHICLE HESITATES, CONSUMER ALSO, WHEN TRAVELING THERE IS A LOUND NOISE COMING FROM THE FRONT END, TRANSMISSION SLIPPING. CONSUMER HAS CONTACTED THE DEALER, DEALER STATED FUEL FILTER LINE NEEDED REPLACING. PLEASE PROVIDE ANY FURTHER DETAILS. *AK
TERMINAL TO FUEL MODULATOR SHORTED CAUSING FAILURE OF MODULATOR. THIS OCCURRED TWICE AND RESULTING IN FAILURE OF A SECOND MODULATOR AND FUEL PUMP.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
I AM CONCERNED ABOUT THE PASSIVE RESTRAINTS(AIR BAGS) THAT WERE USED IN THE 1991, INFINITI, Q45. AFTER DOING SOME RESEARCH I HAVE DISCOVERED THAT IN NUMEROUS ACCIDENTS THE AIR BAG FAILED TO DEPLOY, AND INJURIES RESULTED. ADDITIONALLY, I HAVE UNCOVERED THAT INFINITI IS AWARE OF THE PROBLEM, YET A RECALL WAS NEVER ISSUED. IN INFINITI'S OWE IN HOUSE BULLETINS IT IS LISTED THAT THERE IS A PROBLEM WITH THE "CRASH ZONE SENSOR." ALSO REFERENCE IS MADE REGARDING A "PINS IN CONNECTOR FOR BETTER CONTACT" AND THE AIR BAG HARNESS. WHY HASN'T A RECALL BEEN ISSUED? FORTUNATELY I HAVE NOT BEEN INVOLVED IN AN ACCIDENT IN THE THIRTEEN YEARS THAT I HAVE OWED MY 1991 INFINITI Q45. HOWEVER, NOW I AM NOW WORRIED. SINCE I HAVE NOT PERSONAL EXPERIENCED THIS PROBLEM AND YOU HAVE A REQUIRED FIELD I HAVE USED THE DATE MY CAR WENT INTO ACTIVE SERVICE. *LA
WAS IN A CRASH AND THE DRIVER'S SIDE AIR BAG DIDN'T DEPLOY, DRIVER WAS INJURED, HAD ON THE CRUSE CONTROL . *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
WRECK ON PASS SIDE AFTER HOOD CAME UP AND IT WAS LATCH BUT CAME LOOSE. *AK
PASSENGER/DRIVER'S DOOR LATCHES FAILED.(FORT LAUDERDALE POLICE REPORT)
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
CONSUMER STATES THAT THE RIM ON THE VEHICLE CRACKED PREMATURELY, WITHOUT VEHICLE BEING IN AN ACCIDENT. NOT THE ORGINIAL RIM OF THE VEHCILE KMC RIMS.PLEASE PROVIDE MORE INFO. NLM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
REAR BRAKES FAILED.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
REAR BRAKES FAILED.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
SUNVISORS HIT DRIVER OR PASSENGER ON HEAD WHEN GOING AROUND TURNS. SUNVISORS ARE NOT ADJUSTABLE AND CANNOT BE REPAIRED BY DEALER.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .