2004 Infiniti FX45 Problems: 6 Known Issues

2004 Infiniti FX45 Problems: 6 Known Issues | Au7o

NHTSA Recalls10 recalls

AIR BAGS:FRONTAL

Nissan North America, Inc. (INFINITI) is recalling certain 2003 INFINITI FX35, 2006-2008 FX35 and FX45 vehicles that previously received a replacement front passenger air bag assembly under recall number 20V-008. The air bag cushion was folded incorrectly, which could increase internal pressure and tear the air bag cushion during deployment.

Campaign #21V13900004/03/2021

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

Campaign #20V00800009/01/2020

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Nissan North America, Inc. (Nissan) is recalling certain 2012 Nissan Versa hatchbacks originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan) and the U.S. Virgin Islands, or "Zone A". Additionally, if not included in "Zone A" above, Nissan is recalling certain 2009-2010 Infiniti M35 and M45 and 2009 Nissan Versa sedans and hatchbacks originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B". Additionally, if not included in "Zone A" or "Zone B" above, Nissan is recalling certain 2005-2008 Infiniti FX35 and FX45, 2006-2010 Infiniti M35 and M45, and 2007-2008 Nissan Versa vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Campaign #17V02800010/01/2017

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2010 Infiniti M35 and M45, and 2007-2011 Nissan Versa vehicles, originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Nissan is recalling certain model year 2005-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2008 Infiniti M35 and M45, and 2007-2008 Nissan Versa vehicles, originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Nissan is recalling certain model year 2003-2004 Infiniti I35 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. These inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Campaign #16V34900024/05/2016

AIR BAGS

Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2004 Infiniti I35, 2003-2005 FX35 and FX45, and 2006 M35 and M45 vehicles originally sold, or currently registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Florida, Hawaii, Puerto Rico, the U.S. Virgin Islands, Saipan, Guam, and American Samoa, as well as Alabama, Mississippi, Louisiana, Texas, and Georgia, are included. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

Campaign #15V22600017/04/2015

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Frequently Asked Questions

What are the most common Infiniti FX45 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2004 Infiniti FX45 has 6 documented issues. The most frequently reported are: Timing Chain Guide Wear and Chain Noise, Radiator Failure Causing Overheating, Front Suspension Control Arm and Bushing Wear. Of these, 2 are rated critical and should be addressed promptly.

Is the Infiniti FX45 reliable?

The 2004 Infiniti FX45 has 6 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Timing Chain Guide Wear and Chain Noise and Radiator Failure Causing Overheating. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Infiniti FX45 problems?

Repair costs for known Infiniti FX45 issues range from $180 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Timing Chain Guide Wear and Chain Noise, typically costs $1,800-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2003-2008 Infiniti FX45 Timing Chain Guide Wear and Chain Noise?

The VK45DE V8 used in the FX45 can develop timing chain guide and tensioner wear, leading to chain rattle on startup or at idle. Owners report the issue more often on higher-mileage engines or vehicles with poor oil change history, where sludge and low oil pressure accelerate gui… Repairs typically run $1,800-$3,500. Severity: high.

What is the 2003-2008 Infiniti FX45 Radiator Failure Causing Overheating?

A common aging issue on the FX45 is radiator tank cracking or seam leakage, especially on higher-mileage vehicles exposed to heat cycling. Coolant loss can lead to overheating, and if ignored, the VK45DE can suffer head gasket damage or warped components. Repairs typically run $450-$950. Severity: high.

What is the 2003-2008 Infiniti FX45 Front Suspension Control Arm and Bushing Wear?

The FX45 is known for front suspension wear, especially in the upper and lower control arm bushings and ball joints. The vehicle's weight, wheel/tire package, and sporty suspension tuning contribute to clunks, looseness, and uneven tire wear as the bushings deteriorate. Repairs typically run $500-$1,400. Severity: medium.

What is the 2003-2008 Infiniti FX45 Brake Rotor Warping and Premature Front Brake Wear?

Owners frequently report front brake pulsation and rapid pad/rotor wear on the FX45, especially with aggressive driving or heavy wheel/tire setups. The heavy V8 crossover places high thermal load on the front brakes, and lower-quality replacement rotors tend to develop thickness… Repairs typically run $350-$900. Severity: medium.

What is the 2003-2008 Infiniti FX45 Camshaft and Crankshaft Position Sensor Failure?

Camshaft and crankshaft position sensors are a well-known failure point on many Nissan and Infiniti vehicles of this era, including the FX45. Heat and age can cause intermittent signal loss, resulting in stalling, hard starting, limp operation, or a no-start condition. Repairs typically run $180-$500. Severity: medium.

What is the 2003-2008 Infiniti FX45 Fuel Level Sending Unit Failure?

The FX45 can develop inaccurate fuel gauge readings due to wear or contamination in the fuel level sending unit. This may cause the gauge to stick, read empty when fuel remains, or trigger low-fuel warnings inconsistently, which is a known Nissan/Infiniti issue from this era. Repairs typically run $300-$800. Severity: low.

All 6 Known Issues

2003-2008 Infiniti FX45: Timing Chain Guide Wear and Chain Noise#

2003-2008 Infiniti FX45: Radiator Failure Causing Overheating#

2003-2008 Infiniti FX45: Front Suspension Control Arm and Bushing Wear#

2003-2008 Infiniti FX45: Brake Rotor Warping and Premature Front Brake Wear#

2003-2008 Infiniti FX45: Camshaft and Crankshaft Position Sensor Failure#

2003-2008 Infiniti FX45: Fuel Level Sending Unit Failure#

Other Infiniti Models

Frequently Asked Questions

What are the most common Infiniti FX45 problems?

Is the Infiniti FX45 reliable?

How much does it cost to fix common Infiniti FX45 problems?

What is the 2003-2008 Infiniti FX45 Timing Chain Guide Wear and Chain Noise?

What is the 2003-2008 Infiniti FX45 Radiator Failure Causing Overheating?

What is the 2003-2008 Infiniti FX45 Front Suspension Control Arm and Bushing Wear?

What is the 2003-2008 Infiniti FX45 Brake Rotor Warping and Premature Front Brake Wear?

What is the 2003-2008 Infiniti FX45 Camshaft and Crankshaft Position Sensor Failure?

What is the 2003-2008 Infiniti FX45 Fuel Level Sending Unit Failure?