Front brakes making contact with wheel ALWAYS

BritishBuddha
BritishBuddha Posts: 11
edited February 2010 in The workshop
I TREK 7.5FX which has Avid SD-3 brakes. I recently came off of the thing and the brakes would constantly make contact with the wheel. I took the bike in for a repair and service and when I cam out the brakes were perfect.

However, to get it in the car I had to remove the front wheel, when I put it on again the brakes were once again making contact with the wheel.

The problem seems to be that once the brakes are applied and released the brake arm isn't returning to it's original position (this is just my opinion and I don't really know what I'm talking about)

Is anybody familiar with this problem? Or know what to do?
Any help would really be appreciated. Thanks

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