Locate the lock cylinder on the interior face of the door.
													
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																	Replace a garage door lock or handle with help from a garage do. 
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																	Remove the nuts and bolts securing the lock bars to the cylinder with a wrench. 
																	Replacing the lock or handle on a garage door can be accomplished with the appropriate tools. 
																	Place the nuts and bolts aside. 
																	Slide the bars slightly away from the cylinder towards the vertical sides of the doorframe.