I have a vibration that seems to be centered around the left rear. It really shows up front 65-73 mph and is worse when I'm towing and worse when I've got the accelerator down. This tells me there is something weird with the drivetrain. Had the tires road balanced twice, no impact. Dealer...
I bought the lube and applied it, no real difference. I bought RV Silicone spray and went around all the seals. Good for maintenance but not a fix. I took it to the dealer and they put what look like some black goop around several parts. It stopped one rattle but I have a 'pop' that sounds...