Assuming you were removing the knuckle and it came loose and banged the spindle threads on the deck. I have always had good results cleaning mildly buggered threads using a thread file, in fact had to use the file on one of my steering knuckles when I rebuild the front suspension a couple years ago.

__________________
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon TDI...at least its a diesel

Non illegitemae carborundum.