What are repair costs to replace leaking oil seals-Breather cleaned, still leaks on 2001 Volvo V70

Leaks about 1/2 qt oil every 600 miles. Seems to be coming from behind pulley. Cleaning/replacing breather out did not help. What should it cost to have leaks repaired. Non turbo '01, V70
Thanks

Asked by for the 2001 Volvo V70
1 answer
WHICH OIL SEAL ARE TALKING ABOUT THERE ARE SEVERAL