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I got a Kwikset deadbolt lock (has key hole on both sides instead of key hole externally with latch internally). This lock uses SmartKey technology so you can rekey the lock to use a new key rather than having to replace the lock itself.

After I installed it, I wanted to rekey the lock to use my hold house key until my roommate got home so I could then give her the new key, after which I would rekey the lock to use the new key. While rekeying with the SmarkKey in the hole, I found that my old house key was too big for the Kwikset lock and would only go in half way, so I pulled it out. I then tried using the key that originally came with the lock and now it doesn't work on the inside where I was attempting the rekey, but it does work on the outside.

In order to rekey these locks, you have to insert a working key, give it a quarter turn so the key is horizontal, insert the SmarkKey, take out the current key, then insert the new key. Since no key will work with the inside lock, I can't get it to turn at all.

Am I going to have to disasseble the lock to fix this or is there another way?

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2 Answers 2

up vote 4 down vote accepted

take the lock to your local home store that carries this line of locks. they will remove the core and put it in a SmartKey Reset Cradle. this returns the lock to an unprogrammed state.

there is no way to do this yourself without disassembling the lock core, and there's about a bazillion point 2 pieces in there.

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I called Kwikset and this is what they told me. –  oscilatingcretin Sep 10 '12 at 22:25

I've done it and you don't need the original key or a SmartKey. Disassemble it right down to the core. There will be two slip rings that can be pushed off with a flat blade screwdriver to allow you to get the core apart. Gently slide the outer cylinder off the inner core, remove the little bar in the center of the inner core and then lift off the slider-semi-cylinder that would normally be pushed by the SmartKey, being careful not to drop out any of the little levers (best to have that piece on the bottom at that time so that gravity holds them in). Put in the new key to line up the latches with it, straighten out the levers, put the slider back on and reassemble.

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