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Old 06-01-2023, 02:13 PM   #1
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Loud clang sound coming from slide motor

Hi all - today when putting the bedroom slide out and just before it is completely out there is a very large clang sound coming from the motor. I'm wondering if this is the sign that a new motor is needed?? The slide goes in and out fine - it's just at the end of putting it out that this happens.
Thanks for any insight!

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Old 06-01-2023, 03:34 PM   #2
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I had the exact same year Ventana 3434 and the same issue with my full wall slide. The first thing that you need to do is check the 4 bolts on each of the motors and insure that they are not backed out. If they are, there are many posts and recommendation but at a minimum you add blue loctite to the threads and retorque the bolts.

Living in Florida, I had the Newmar Mobil mechanic inspect and adjust my slides but the bang remained and the mechanic said it was normal. Not sure if I agree but they did work and the more that I used the slide, the less the noise.

Hope your problem isnít bigger, but start with the bolts.
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Old 06-01-2023, 03:48 PM   #3
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I release the slide switch at the first hint of the motor strainingÖ..either going out or coming in.

Holding it down longer and hoping it stops on its own without doing any damage is not something Iím willing to trust.
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Old 06-01-2023, 04:18 PM   #4
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I've replaced a bedroom slide motor that broke so I'm always listening for anything unusual. If yours is like mine you can lift the mattress, undo the wood covers & expose the motor. You might do this & have your wife deploy the slide & maybe you'll see something.
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Old 06-01-2023, 04:55 PM   #5
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My large living room slide in my 2019 Bay Star does the same thing when coming in. Iíve checked the slide motor bolts and they were a bit lose, but tightening them up didnít resolve the issue. Iím going to check the trantorque bushing next time Iím at the motorhome, but that wonít be for a couple weeks.

Let me know what you find out.
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Old 06-01-2023, 05:52 PM   #6
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Yep - we checked all the bolts and found one that has a large washer that was loose but the bolt/screw was tight. The bolts have ends like screws so we were a little perplexed with that but they all seem tight. I too stop before it reaches a stress sound but maybe I over did it this one time to hear the clank sound...not sure. We will keep our eyes on it for now. Hopefully it is a normal thing (seems odd) and we will keep on trucking down the road. Thank you for your responses.
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Old 06-01-2023, 09:27 PM   #7
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I don't think it is "normal."

When I did the SLS bolt fix on my flat floor slide, which has eliminated my loosening bolt issue, I retorqued the Trans Torque nut to the 125# spec from the directions on the inside of my kitchen cabinet door. Upon operating the slide I would get a "bang, bang, bang" which was the trans torque slipping. I put another 10 lbs of torque on it and the sound went away and all has been well since (knock on wood).

Not saying the sound you have is the same, just what I found caused and eliminated a bang/ping in mine.
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Old 06-01-2023, 09:40 PM   #8
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Quote:
Originally Posted by NCC-1701A View Post
I don't think it is "normal."

When I did the SLS bolt fix on my flat floor slide, which has eliminated my loosening bolt issue, I retorqued the Trans Torque nut to the 125# spec from the directions on the inside of my kitchen cabinet door. Upon operating the slide I would get a "bang, bang, bang" which was the trans torque slipping. I put another 10 lbs of torque on it and the sound went away and all has been well since (knock on wood).

Not saying the sound you have is the same, just what I found caused and eliminated a bang/ping in mine.
Thank you - that sounds just like what I'm hearing so we will try this.
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Old 06-02-2023, 09:06 PM   #9
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It is my understanding that you should allow the motors to ďAmp outĒ before releasing the run switch. Either in or out. I believe I have read this on several differently threads on this site. I know for certain that is the procedure on the hydraulic full wall slide, but think itís the same procedure on the electric slides. In my case thatís the kitchen and bedroom slide.
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Old 06-03-2023, 05:52 AM   #10
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Quote:
Originally Posted by GW4607 View Post
It is my understanding that you should allow the motors to “Amp out” before releasing the run switch. Either in or out. I believe I have read this on several differently threads on this site. I know for certain that is the procedure on the hydraulic full wall slide, but think it’s the same procedure on the electric slides. In my case that’s the kitchen and bedroom slide.
That is correct, if the slide switch is released before the slide amps out, when retracting the slide, when the slide button is pushed, it will go out, even though the retract position is pushed till it amps out, then will come in. This happened with mine and use to stop them early cause I thought there was to much pressure on the slide opening on them when they got to the wall. So I adjusted the amp. pod's so they work properly. Just my findings......... mine are all 3 slide's electric.
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Old 06-03-2023, 08:58 AM   #11
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Quote:
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That is correct, if the slide switch is released before the slide amps out, when retracting the slide, when the slide button is pushed, it will go out, even though the retract position is pushed till it amps out, then will come in. This happened with mine and use to stop them early cause I thought there was to much pressure on the slide opening on them when they got to the wall. So I adjusted the amp. pod's so they work properly. Just my findings......... mine are all 3 slide's electric.


This not my experience at all. It never reverses direction. It always goes in the direction I tell it to go, and I NEVER let it amp out.
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Old 06-03-2023, 08:18 PM   #12
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This not my experience at all. It never reverses direction. It always goes in the direction I tell it to go, and I NEVER let it amp out.
Same with mine, but perhaps their switches aren't toggled different directions for in and out. Like yours, mine goes in the direction I tell it to based on switch position.

It's one of those things we all need to filter...everyone wants to help with their experience, which is good, but with differences between model years and models within years, not to mention non-Newmar info thrown in, it's not always relevant advice based on the same equipment. I know I still learn a lot and just filter for what fits my equipment.
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Old 06-13-2023, 03:15 PM   #13
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Loud Bank BR Slide

My 3644 LE had the same. Found under the bed the safety stop had bent the rod and broke the weld in the rod alignment structure. North Trail in Ft Meyers was never able to determine cause. They bolted the alignment structure on rather than trying to weld because they would have had to remove the entire bed structure and slide mechanism.
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Old 06-13-2023, 10:18 PM   #14
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You may need a new slide motor

We had an issue with our 2014 Dutch Star 4018 where the bedroom slide would make a loud bang when it reached full extension. We were able to lift the mattress, undo the wood covers & expose the motor, and we could see that the motor was slipping as the slide approached full extension. We brought it to the Newmar dealer who does our service and they replaced the slide motor. No problems since. They said it was on its way to failure if it hadnít been replaced.
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