replacing rollers and guides on PGT patio glass doors

A quick learner from Bradenton, Fl says:
I have tried before to remove doors w/o success but now I was able to take them off tracks. No real visible way to reach rollers on these aluminum Patio glass doors,.

Problem is the door is dragging on the tracks. I have cleaned the tracks in the past and lubricated them with aluminum lubricant, but problem continues. I picked up two rollers at Home Depot, but Im doubting their sincerity they are for PGT doors as stated.
How do I identify and then replace the rollers and guides, please.
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Dave Sr. from SWISCO responded:
Thanks for posting! I'm sorry to hear that you're having trouble. The problem definitely sounds like the rollers, and you will have to remove them in order to identify what you have.

Lay door on some wood horses and remove the the two bottom door frame screws. Then, with the screws removed, take a block of wood and a hammer and lightly knock off the bottom rail. That should allow you to get to the rollers.

Check out our video that follows the whole process of replacing rollers on a sliding glass door.
A home owner from Bradenton, Fl says:
OK < that advice worked out fine. But rollers refuse to come out bottom rail, there appears to be a raised bump on the roller that is seated in a hole on the side of the rail. Even after some delicate prying and separating of the rail it seems very unlikely of removing the rollers without damaging the rails??
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Dave Sr. from SWISCO responded:
Hmm, that's odd. Did you remove the bottom of the patio door rail? Make sure to use a block of wood, otherwise you may break the glass. After the rail is off the door it should be fairly simple to take the rollers out.

If you did take the bottom of the rail off and you're still having trouble, let me know and we'll work from there!
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