Part 1 removing the old door.
How to install new garage door panels.
Loosen the bolts holding the bottom panel to the center bracket and carefully remove the panel and replace with new panel.
Center the door panel in the garage doorway.
How to install garage door springs overhead door.
After removing the old door installing the new door is done by stacking the door panels one at a time and fitting the roller tracks around the panels wheels.
Center and level the first section after you install the brackets.
The rubber gasket on the bottom section will fill the gaps created by an unlevel floor.
The door must be level even if the floor isn t so use shims under the section to level it.
Use shims to adjust the panel as needed.
Many new doors come with pilot holes drilled by the manufacturer.
Line up the bottom corners in the cable anchors and use the hinges and brackets as templates for drilling holes for bolts.
Position the panel in the center of the doorway then hold a level over the panel to make sure it s level.
Attach hinges to the top of each panel image 2.
You ll also need to secure the springs that allow the door to move but once you do your garage will open and shut smoothly and safely.
If you re installing a two car garage door place a reinforcing bar on the top panel to prevent the door from bowing in the center.
Drill pilot holes image 1 and secure the bar with screws.
To hold the level in place tape it to the section.