2006 Infiniti QX56 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 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 rpm meter is inactive and roams around

QX begins to buck, backfire and lose power when driving in hot weather. What could be causing this? If you pull over and turn vehicle off and wait a few minutes, problem seems to resolve itself temporarily. This problem has occurred twice since I have had the vehicle and seems prominent to hot...

can't find any info on net or ant where else. hope you can be of help. thanking you in advance

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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.

The instrument panel fuel gauge may show fuel in the fuel tank when there is none, typically about 1/4 when the tank is empty. This could cause the vehicle to run out of gas and stall, increasing the risk of a crash. Dealers will replace the fuel sender unit inside the fuel tank to correct this concern. This recall is expected to begin on March 22, 2010.

The AC condenser fan motor in the engine compartment may not be sealed properly against water intrusion and it may not have proper drainage. Water intrusion may lead to corrosion and possibly overheating of the motor, and a fire. Dealers will install a "thermal protector kit" and test and replace the AC condenser fan motor if needed. The recall began August 2, 2008.

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Lots of QX56 & Armada has 3rd break light problems. Need "RECALL"

Likely the best truck frame vehicle that I've owned. It has impressive pick up and a comfortable ride. The only issue I have noticed is that the front end "feels" like it is hopping a tiny bit when crossing expansion joints on bridges or uneven road surfaces. The interior and amenities are first class.

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