Clunking from rear area when moving around

[Cutlass372]

Hey guys, took the car around the driveway today and I noticed a clunking sound coming from the rear of the car. When I would be moving forward then switching to reverse it seemed to happen the most, or when I would sorta make the car buck by pushing and letting off the gas. Any idea what this could be? Its sorta hard to explain, but maybe someone else has the same thing going on? I suppose it could be some slack in the drivetrain but im not to convinced with that cause i just had the rear wheels off and was spinning the axles. What should I look at to try and fix this problem? Any help would be appreciated.

Thanks, Elliot.

[bigoak]

Do a search on this as the topic is common and well dicussed.

Most likely front differential mount.

[sblake01]

On mine it was the 'arrestor strap' (55425-N4300). It was split in half and dangling. I changed the mount also but the old one was solid.