How to Mount Garage Struts

Measure the width of the garage door and the width of the old struts to be replaced. Purchase struts that are the same length and style.

Close the garage door, and use the step stool to access the top strut.

Remove the three brackets that hold the top strut in place. There will be one on the far left, one in the middle and one on the far right. Remove the brackets by inserting the power screwdriver into each screw and removing the screws. The strut bracket will be held in place by three screws.

Remove the strut by hand once the three brackets have been loosened and removed. Remove the middle strut and bottom strut in the same fashion, by removing the brackets and taking the strut down by hand.

Set the old struts aside, and then place the new strut across the bottom. Hold the bracket to the far right into position, and hand thread the screws to start them. Tighten them with the power screwdriver. Fasten the bracket on the right-hand side in place, insert the bracket and bracket screws and then tighten them. Do the same to mount the middle strut bracket in place.

Move to the middle strut, hold it in place and replace the brackets and the screws with the power screwdriver. Follow the same procedure, left, right and then to the middle, to mount the top strut into place.

Open the close the garage door, and inspect the struts as the garage opens and closes, to make sure the brackets are all tightened down well.