Hi there, thanks for asking about your 2004 Infiniti FX45. The blue smoke you notice on initial start-up is likely caused by worn exhaust valve stem seals. They allow a tiny amount of oil to get into the combustion chamber...
Hello. With the information I have, it sounds like there could be an issue with the rear differential of your van. A droning noise from the rear could be caused by one of the wheel bearings, or the carrier bearings...
This is common due to the fact that just underneath this area is where the transmission and drive train is located which generates a lot of heat. I would recommend having a certified expert, like one from YourMechanic, come to...
