[EnderWiggin1970]

I was just diagnosing a different (banging) sound from an old refrigerator I have, last night. This article might help you some.

[Beowulf9]

That little site is very useful.

None of the noises in the article fit what I heard though but I’m going to keep that article because it is so good to know if any of those noises occur.

Thanks :)