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Garage Doors/Door goes to far and bows rail


I have a craftsman model 139.53973SRT that has been working fine but just started to not go up and now it bows the rail going down and will not go up at all. The motor is running ok and the sensors are aligned. Could it be the limit switch is bad ?

Hi Gil,

Remember the door opener does nothing more than you!  Disconnect the door from the opener and check it by hand. No more than 10 pounds to open or close and the door should stop at the half way point. If these criteria are not met, fix the issue, or call a door repair person.
Sears openers have a lot of issue's and without seeing the product it makes it hard to diagnose. Check the date code on the front or rear panel and if the opener is older that 1996, replace it. Hope this helps,

YOurs in doors.


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Mike Whitacre


I will not answer questions about garage door openers 20 years old or older as they are unsafe, PURCHASE A NEW ONE. How many cell phones have you owned in 20 years? I have 40 years in the garage door industry and have seen almost everything. I sat on the Wayne/Dalton dealers board in 1986,1987,and 1988. I am on the IDEA board of directors ( and am accredited by same. I will, to the best of my ability answer your questions on doors or openers. I will not deal with shinbuster type doors. Replace it if you have one! If your question is about stretch type springs, call an IDEA accredited dealer and have torsion springs installed.


I have been in the overhead door industry for 40 years. I have dealt with all major brands of garage doors and openers. I have been a member of the International Door Association for 25 years( My speacialty is working with and understanding stretch and torsion springs. However, I will never recommened a customer to deal with a garage door spring.

International Door Association, Door and Access Manufacturer's association, Institute of Door Education and Accreditation, American Legion

I have 2 years of collage , am on the IDEA board of directors, and if you didn't notice have been in the industry for 40 years!

Awards and Honors
I recieved the Train the Trainer certification from the Institute of Door Education and Accreditation in April 2001.

Past/Present Clients
Cal Ripken

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