ktbaillif

Thank you for your help with this problem. It did turn out to be the rear airbags. Because they were leaking, it put a strain on the U-Joints. We are having the airbags replaced and the U-Joints checked out.

Rear rumbling and vibrations at highway speed – Intermittent, getting more frequent 1999 Safari Zanzibar, Magnum Chassis, Diesel Pusher – The rumbling sound and vibrations in the rear are the same as when traveling over rumble strips. Previously, thought it was the road surface but now it is happening more frequently regardless of the road surface. Please help identify this problem.