How to Replace a Common Door Lock | Ask This Old House

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In this video, cylindrical door locks are a far cry from the complicated mortise locks of old. Here’s how to replace one. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse. Nathan Gilbert heads back to the shop to explain how modern cylindrical locksets differ from mortise sets. He shows Kevin O'Connor how simple these modern locksets are to install and repair. Difficulty: ⅖ Time: Under an hour Cost: Under $100 (depending on the lockset) How to Replace a Common Door Lock 1. Start by removing the two screws holding the deadbolt thumb turn onto the door. Remove the thumb turn and pull the deadbolt cylinder out from the front of the door. 2. Remove the two screws holding the deadbolt into the jamb side of the door. Slide the bolt out once loose. 3. Remove the set screw holding the doorknob onto the lockset and remove the knob. Remove the two screws holding the interior of the lockset to the door and remove it. For thumb-activated knobs, remove the screw holding the bottom of the exterior door knob set in place and remove the doorknob. 4. Remove the two screws holding the latch into the jamb side of the door and pull the latch out of the door. 5. Slide the new deadbolt through the top hole in the jamb side of the door. Leave it loose at first. 6. Slide the exterior portion of the deadbolt cylinder through the top hole on the exterior of the door. Slide the interior piece over the shaft on the inside of the door, and insert the two screws holding the two halves

Published 2022-05-24 · Watch on YouTube ↗
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