Infiniti QX56 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Infiniti QX56
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Infiniti QX56 ProblemsAbnormal Noise From Timing Chain Area
An abnormal noise may develop from the timing chain area, Our technicians tell us it may be necessary to replace the variable valve timing camshaft shaft sprockets to correct this concern.
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.
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.
Infiniti QX56 Questionshow can i diagnos a problem (1 answer)
Why would it do that?
Infiniti QX56 RecallsPotential Fuel Leak
The fuel pressure sensor may not have been sufficiently tightened during vehicle production. As a result, the fuel pressure sensor may loosen over time resulting in a fuel leak. Any fuel leak increases the risk of a fire. Nissan / Infiniti dealers will replace the fuel pressure sensor as necessary to correct this concern.
In the affected vehicles the driver's front airbag may have been manufactured with and incorrect part. This part may block the flow of propellant when the airbag is deployed. This could cause the airbag to rupture, increasing the risk of personal injury. Dealers will replace the driver's front airbag to correct this concern.
On certain vehicles, the fuel pressure sensor may not have been tightened to the correct specification. As a result, the fuel pressure sensor may loosen due to heat and vibration, causing a fuel leak. Fuel leaks always increase the risk of a fire. Dealers will replace the fuel pressure sensor to correct this concern.