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Old 09-19-2021, 05:52 PM   #1
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Trouble with steps on a 26HE

I have lost track of how many steps motors I have had to replace in my motorhome. They either start clicking when retracting or extending. We do not step on the steps until they finish moving.
Service people say it is just faulty motors. I suspect there is something wrong with the controller.
This las motor, I installed in the spring. I went to back the motorhome out of the Quonset building the other day. All you heard was the clacking sound. Open the door and the steps extended.
Any ideas??
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Old 09-19-2021, 06:10 PM   #2
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Really hard to be right on what's up just based on other description of noises, but why not give it a guess?
When I thing of a motor running an making a clacking noise, I jump to a bad gear, possibly nylon with one ore more teeth burred so that what you are hearing is the remaining gear tooth passing over the burred off one!

It may be that changing the motor has fixed it in the past due to putting a new gear on but then if it fails again that soon, maybe it is a second gear which is meeting and one messed up gear works on the new gear to ruin it after a year or so?

I might look at the linkage and any binding before going for another new motor. If there is repeated clacking, it seems the motor is still running!
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Old 09-20-2021, 03:21 AM   #3
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I should have been more specific, I replaced the entire unit. The gears are not available. That would be too easy to replace the gears. These companies make it so you have to spend big bucks. I carry a spare part with me. I have been lucky that it has happened near home. We only have 35,000 miles on the motorhome. Most people think it is new when we pull into a campground, because it is so clean.
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Old 09-20-2021, 07:28 AM   #4
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Okay, different idea and that pretty much leaves bad luck or alignment or simple something binding on the steps, so maybe check for free movement if you can spot anything of that sort as they should last better than that---but life should be simple but it's not at times!
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Old 09-21-2021, 06:04 PM   #5
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You can move them with one finger. Nothing binding.
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Old 09-26-2021, 07:04 PM   #6
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Just had the same issue. Had RV in for body work ( hit a deer). When service manager picked it up, said step motor was bad and had mechanic replace it. He neglected to put the pin in the bottom of the drive gear that inserts into the gear box and keeps the gears engaged. After a few cycles it falls out of solid connection with the driven gear and it grinds and skips. After watching videos on u tube, I thought the gear was stripped and ordered a new gear box. Discovered the missing pin. New gearbox came with new drive gear and pin. Installed new gearbox anyway. All good now.
Good luck.
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Old 09-27-2021, 10:26 PM   #7
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Sometimes when the controller is not getting a good enough connection it will not read high amperage soon enough to shut down the motor in time putting additional stress on the three sacrificial blocks between the hub and ring of the main plastic gear so that they disintegrate instead of destroying the gear. I just use some 3/8 inch ID lawn sprinkler plastic tubing with a piece of 3/8 inch rubber rod/dowel inserted in the middle to replace them and everything then works as it should. They are just round rubber/plastic rollers or perhaps dowels for lack of a better word and are just there to absorb shock and help prevent the plastic gear from stripping. They are about 9/16 inch in diameter and around 7/16 inch thick.

Someone posted a while back the model number of the power window motor you can buy at most automotive parts stores to replace the step motor for less than most RV suppliers sell the repackaged motor for.


Its very similar to this though I'm not certain if this $15 Dorman replacement gear for Fords is the one that matches 100%:

https://www.amazon.com/Dorman-747-41...13619742&psc=1


The gear with the three shock absorbers can be had without the hub for around $10:
https://www.amazon.com/Dorman-747-40...031H0H5M&psc=1
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Old 10-07-2021, 06:42 PM   #8
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Great information, thanks. Now I need to figure out what year automotive motor fits my steps. I would rather pay $50 and not the $250 for the step motor I need. They are expensive in Canada, like everything else here.
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Old 10-07-2021, 06:55 PM   #9
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Picture

This is the motor I need, if anyone knows the correct year of automotive replace, then Thanks
https://www.winnieowners.com/forums/...1&d=1633654950
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