2008 Infiniti FX35 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Infiniti FX35

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2008 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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2008 Infiniti FX35 Recalls

Passenger Frontal Air Bag Inflator Ruptures On Deployment

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.

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