2004 Infiniti QX56 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Infiniti QX56

It is not uncommon one or both of the exhaust manifolds to crack resulting in an exhaust leak. Symptoms will begin as a ticking type noise noted on acceleration when the engine is cold.

The rear power door may not open or close properly, or make a grinding noise from inside the rear trim panel. If this occurs our technicians recommend to check for loose or damaged hardware at the rear door motor. Replace damaged hardware as required and use bolt retaining compound when reassembling the door motor hardware.

The fuel gauge may be slow to register, fail to read full when the gas tank is actually full, or read inaccurately. Our technicians tell us there is a redesigned fuel tank sender unit to remedy this problem.

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The front brakes make a grinding noise that is not metal on metal when I depress the pedal. It last about as long as it takes to get to the shop and then it stops. A month later, the same thing. ABS braking system problem?

I hear a clicking noise possibly coming from the a/c fan (blower) when fan is not in use. Noise starts when I start up the suv and sometimes while driving. The a/c or heat can be off or on and it still makes this noise. HELP!

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Nissan is recalling certain 2004 - 2010 Titan, Armada, & QX56 vehicles. Also included are 2005 - 2010 Frontier, Xterra, and Pathfinder vehicles for faulty front and/or rear suspension lower control arms. The problem is the control arm's attaching point to the vehicle's chassis. During the manufacturing process, some control arms may contain welds that do not meet Nissan's strength specs, and if they break, it may result in loss of vehicle control, and a possible crash.

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