Possible Clues:

• Put your foot down again if your tyre's tired
• Retired, would you say, this soldier of two wars
• Once again go over what may be spare
• Put one's foot down again on the tyre
• Take another walk perhaps. That may tire you all over again, by the sound of it
• Hackneyed work based on an old idea
• New surface spelling end of tyre trader, perhaps
• 'Retired' American may have got this to save money!
• Tire
• Alsatian to be handled by militant plod again