2003 Infiniti FX35 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Infiniti FX35

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2003 Infiniti FX35 Problems

Front wheel bearing causes grinding noise

Owners have reported a number of prematurely worn front wheel bearings. As the bearing fails, a rotational humming or grinding noise may be noted from the front as vehicle speed increases. Replacement of the bearing would be necessary to remedy this condition.

Fuel filler hose may crack and leak when refueling
The fuel filler hose may crack and cause a leak when refueling, which could lead to fire. A recall was issued and the fuel hose will be replaced under warranty.
Timing Chain Rattle and Tapping Noise

Rattling and tapping in the front of the engine on the 2003-2008 Infiniti FX35 is very evident, especially on cold starts. This rattling noise should not be taken lightly as it warns of upcoming timing chain failure. 

The cause of the noise is faulty timing chain guide rails and timing chain tensioners that wear out well ahead of schedule. These components are there to keep the timing chain tight and properly positioned. When these parts fail, the timing chain becomes loose, and pieces of the timing chain guides break off, falling into the oil pan. 

To remedy the situation, Nissan/Infiniti has made revised guides and tensioners, but replacement can be very costly. 

Proper oil change intervals and oil type may help slow or prevent the situation. 

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2003 Infiniti FX35 Questions

What would make the car shake when you apply brakes? (1 answer)

What would cause the car shake when you put on brakes even though you just replaced the rotors with new ones?

I took the battery out and now it wont start. can u please help me? (2 answers)

Driver seat rocks back (3 answers)

When I get into the drivers seat, it rocks back when I lean back. Could there be a screw that is loose? According the dealer, I need a seat track replacement ($1140) and both front lower control arms ($1420). That's a lot of money to spend on an old car. Any suggestions on how to repair f...

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2003 Infiniti FX35 Recalls

Front Airbag Inflator Module

This limited regional recall is for vehicles currently registered or first sold in southern Florida, along the Gulf Coast, Puerto Rico, Hawaii, the U.S. Virgin Islands, Guam, Saipan and American Samoa. Upon deployment the passenger airbag inflator could rupture, increasing the risk of personal injury. Dealers will replace the passenger side air bag inflator to correct this concern.

Front Airbag Inflator Module

This limited regional recall is for vehicles currently registered or first sold in Florida, Puerto Rico, Hawaii and the U.S. Virgin Islands, and equipped with Takata-brand air bag inflators. Upon deployment the driver and/or passenger airbag inflator could rupture, increasing the risk of personal injury. Honda dealers will replace the affected airbag inflator modules to correct this concern.

Front Airbag Inflator Module

This limited regional recall is for vehicles currently registered or first sold in Florida, Puerto Rico, Hawaii and the U.S. Virgin Islands, and equipped with Takata-brand air bag inflators. Upon deployment the driver and/or passenger airbag inflator could rupture, increasing the risk of personal injury. Honda dealers will replace the affected airbag inflator modules to correct this concern.

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2003 Infiniti FX35 Reviews

Rated
based on 1 customer reviews
My dad bought this car brand new in 2003 and has followed the recommended maintenance schedule and this car just amazes me! In his 110k miles travels the only thing that has gone wrong with his car is a wheel bearing! AC and all power options still work. The leather seats are starting to show there age but this has got to be the most reliable car he has ever had. My wife is due for a new car an...

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