Replacing a Sliding Door Handle or Lock
Getting the right replacement part is the whole job. Fitting it is usually the easy bit. This is where most people go wrong before they have even started.
The part fits the lock, not the door
This is the thing to understand first. A handle set is matched to the type of lock inside the door, not to the brand of door or the size of the opening.
Two doors that look identical can take completely different handle sets. Measuring the door tells you almost nothing useful.
What to identify before ordering
- The lock type in the door, not just the handle you can see
- The distance between the screw holes
- Whether the latch is at the centre only, or top and bottom as well
- Which side the door slides to
- Any brand or model stamp on the existing hardware
Photograph the old handle from both sides, plus the edge of the door where the latch sits, before anything comes apart.
The multi-point catch
Some doors latch in more than one place. On those, a lever might be reversible top and bottom while the centre needs one specific part.
People order a set that looks right, fit it, and find the centre latch will not engage. That is the usual version of this mistake.
When it is not the handle at all
Before buying anything, test this: lift the door slightly and try the lock.
If it works when lifted, the handle is fine. The panel has dropped because the rollers are worn, and the latch no longer lines up with the keeper. New hardware will not fix that.
Fitting it
- Photograph the old set from both sides first
- Remove the screws, usually from the inside face
- Ease both halves out together
- Check the new latch sits at the same depth as the old one
- Fit and tighten evenly, not one screw fully at a time
- Test the lock before putting tools away
Do not overtighten. Pulling the two halves together too hard binds the mechanism, and the lock ends up stiff.
While it is apart
Clean the latch pocket and give the mechanism a light silicone spray. Not oil, which holds grit.
When to call instead
If the lock only works when the door is lifted, if the latch pocket is damaged, or if you cannot identify the lock type from the old part, a call saves you ordering the wrong thing twice.
Need a hand?
Stuck Door repairs sliding glass doors across Orlando and Central Florida. Rollers, tracks, locks and glass. We are family owned, licensed and insured, our parts carry a two-year warranty, and phone estimates are free.
Call or text (407) 900-9412, or send us a message.