Possible Clues:

• Disturbance when a car's run a fellow over
• Row up in sales - a car fault is discovered
• Rumpus when priest heads conciliation service
• Set-to
• Rumpus caused when priest heads arbitration body
• Argument draining for conciliation service
• Altercation caused by father over a trial cut short
• Quarrel resulting from formal clause, being oddly selective
• Much of fast car could be used for scrap
• Comforter brought over to settle a heated quarrel