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Old 07-19-2019, 01:56 PM   #21
AI owner since June 2013
2014 Interstate Ext. Coach
Farragut , Tennessee
Join Date: May 2013
Posts: 44
Originally Posted by Protagonist View Post
When you manually pushed it in, you may have stripped out a gear in the mechanism. You may be able to remove the step for troubleshooting and/or repair by crawling underneath and unbolting it, and then checking it out at a workbench.

As for what caused the problem in the first place, I cannot say. I don't recall having a problem like that. In fact, every time the alarm came on, it was because of the awning, not the step (the two mechanisms share an alarm), though it took me a while to figure that out.

In future, remember that the step doesn't stick out any farther than your passenger-side mirror, and you can drive around with the step extended, as long as you don't plan to parallel park where you could scrape it on a curb. All you have to do is crank up the music until you can't hear the beep. That's not a fix, but it's probably better than breaking the step to shut off the alarm just so you can hit the road.
Protag - you have advised me before and I trust your guidance. My step is stuck in on my 2013 AI. I just visited my local MB dealer for another wheel speed sensor (my fourth) but they said the step was an AS add so they would not deal with it. I asked Chris B at JC but he replied they would have to "look at it". I have a service appointment there in the fall, but would like to get the step operating if it is an easy fix. It is getting power as I can hear the motor whirring.
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Old 07-20-2019, 04:51 AM   #22
3 Rivet Member
2016 Interstate Grand Tour Ext
Auburn , Georgia
Join Date: May 2016
Posts: 151

If you hear the motor running I bet the set screw has come loose on the motor shaft. Start on page 3 and post #35 for info on the fix. GOOD LUCK
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Old 08-31-2019, 12:58 AM   #23
1 Rivet Member
1984 31' Excella
2012 Interstate Coach
Woodside , California
Join Date: Jan 2012
Posts: 6
I repaired my retractable step but found the alun screw would not tighten. Where can I purchase parts for my 2012 Interstate?
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Old 08-31-2019, 01:30 AM   #24
1 Rivet Member
1984 31' Excella
2012 Interstate Coach
Woodside , California
Join Date: Jan 2012
Posts: 6
Where can I buy parts (motor & gear) for my Project 2000 step, 2012 Interstate?
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