1998 Honda Civic clutch heatoil leak

Engine Performance problem
1998 Honda Civic 4 cyl Manual 171000 miles

I had my clutch replaced and the bearings now about a month or so later.I hear a loud sound when I shift and when the car is idle.I took it back to theplace we had the work done. Now the car since they rechecked it is overheating and leaking oil. They are telling us thats why the clutch is making that sound. It's been drama since we have been dealing with them. They told my husband that they dropped the transmission when they rechecked it. Now they sre saying they have to look under the trasnsmission to see where the oil leak is. What can be the issue?