1991 Infiniti Q45: Recalls, Problems & MPG
Here are the deets on the 1991 Infiniti Q45: 2 recalls, 34 owner complaints and up to 17 mpg combined.
Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Seat belts Vehicle recall #95V103002 · 1995 · 2,730,462 vehicles
What's wrong: The front safety belt buckle release buttons can break. These red plastic release buttons are marked "press." if a button breaks, pieces can fall into the buckle assembly causing the buckle to operate improperly.
Why it matters: The safety belts would not provide adequate protection to an occupant in a vehicle crash.
The fix: Owners should promptly check the condition and operation of both front safety belt buckles and carefully inspect the red release button for any breaks or cracks. They should ensure that both buckles are operating properly by inserting each latch plate into its buckle, tugging on the belt to make…
Equipment Vehicle recall #98V284000 · 1998 · 28,970 vehicles
What's wrong: A conductive bridge can form between two lines of the circuit board pattern when there is accumulated electrolyte leaked froma capacitor and high humidity conditions. This can close a transistor on the circuit board which causes overheating.
Why it matters: This condition could result in smoke or flame and possibly the speaker catching fire.
The fix: Dealers will replace the circuit board with a new board that has been coated.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 4 mention a fire, 3 injuries and 0 deaths were reported.
What owners describe
- Equipment (7): the most common themes are fire / smoke (3).
- Brakes (hydraulic) (6): the most common themes are brake failure / soft pedal (2).
- Suspension (5): the most common themes are noise or vibration (2).
- Electrical (4): no single recurring theme in the descriptions.
The 1991 Infiniti Q45 has 34 owner complaints, ranking #1 of 17 Q45 model years for complaints (2.5× the average Q45 year). Complaints peaked in 1999 (11 filed that year). The typical problem showed up when the car was about 5 years old. Neighboring years: 1990 (28 complaints, 1 recalls), 1992 (28 complaints, 1 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.5 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 15 | 20 | 17 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1991 Infiniti Q45.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 1991 Infiniti Q45 have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 1991 Infiniti Q45. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1991 Infiniti Q45 problems?
Owners have filed 34 complaints with NHTSA. The most-reported areas are equipment (7), brakes (hydraulic) (6), suspension (5).
What gas mileage does the 1991 Infiniti Q45 get?
EPA ratings run up to 17 mpg combined (4.5 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 1991 Infiniti Q45 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.