Ferrari 308 rear right wheel base knockin sound

[veg-ert]

Hello Guys.

I have a 1979 308 GTS with a knoking sound in the area of rear right wheel.
It sounds like a wheel is loosen, but that is not the case.
The sound is changing slightly in curves. intervall is above fast heart rate when driving 15-20 miles...

The Brake system is removed but I see no problems.

Any one have a suggestion? I would expect the "wheel bearing" to make a more constant rumble sound if broken?
Nothing changes when holding in the clutch..

I would be very pleased if you use explaining words of parts not CV etc. as my english is not so good.

Brgds
Vegard

[Bob M]

I also have a 1978 308GTS
Twice I have replaced the right rear wheel bearings. It makes a noticeable thumping sound when driving a right hand curve, ( the weight is transfered to the right side wheels) ). The noise goes away when in a left hand curve, (the weight is lifted off the right side bearings). In my case it was not a rumbling sound, but a knocking sound like you described.