It's most likely just the spring not sitting properly.
That happened to me when I installed my springs a long time ago. I had the suspension worked on a few months after but nothing got replaced, just reassembled. The car hasn't made the noise since.
Tony
1998 SVT Contour (B/MB) #542 3L
1998 SVT Contour (SF/MB) #1266 parts car
2000 SVT Contour (SF/MB) #1533 3L swap to begin!