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Old 05-20-2020, 08:10 AM   #1
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Join Date: May 2020
Location: East Coast
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Slide/High Point NC/Help Needed

Good Day! We just purchased a 2008 Newmar Ventana 3933 from a private seller about 10 days ago. Everything worked during our pre sale inspection. However, on our first night out we were unable to actuate the drivers side slide room. The in cabin switch would activate the motor which would whirr/grind for 3-4 seconds before timing out. After some careful reading, I switched the slide controllers and there was no change, the motor whirred and then "timed out" or "amped out". Additionally, I discovered that the main battery positive battery cable which supplies power to the inverter/converter was detached. While we had battery power, in hindsight, I'm thinking that 12.4 volts wasn't enough to operate the slide. The other 3 slides actuated normally.

So, a service tech was called, he fixed the battery cable problem by crimping the wire. The batteries took a charge while hooked to shore power in the campground. He continued by working on the slide room. He switched controllers which a spare that he had aboard his van. The results were the same. So he declared that the slide motor was the culprit. Ordered a motor from Newmar Corp and and a controller. Arrived yesterday and began to attempt to change the slide room motor, he was unable to get the torque-bolts to loosen and after about 3 hours declared that he couldn't change the motor here at the campground and that we have to travel about 50 miles to his friends shop where there would be more help and larger tools. The unit is presently dissembled.

My questions are... 1. Do you think we just experienced a low voltage/amperage situation that resulted in a faulty slide or finicky slide controller?
2. As this tech has already charged us nearly $500, (mostly labor and drive time) do I stay on this path and move the coach to the shop? Or find another tech?
3. We're in Greensboro/High Point NC, any recommendations for help would be appreciated.

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Old 05-20-2020, 08:32 AM   #2
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Location: Lenexa KS
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Can't comment on what may or may not be the culprit as I'm not qualified. However I have changed a slide motor on my 2015 DS. I had about 15 minutes in the actual motor change and 2+ hours working on getting the transtorque bushing open. I do not like his idea to move your rig to his shop just because he can't get the TT bushing. Does he not have large enough wrenches? What will he do different in the shop? Another set of hands? Maybe you can help him? Maybe he can come back with another tech to help him?

Bill & Kelli 2015 Dutch Star 4366
2002 Safari Zanzibar 3906
1995 Fleetwood Bounder 36JD
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Old 05-20-2020, 10:25 AM   #3
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Join Date: Mar 2019
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I have 08 KSDP 3916 model. I recently had to have modules replaced on 2 slides. The new modules had to be adjusted by the pot to proper voltage on the new module before they moved my slides. If your motor is not leaking fluid or bolts sheared off might try this before having motor/driveshaft replaced. Also if you have more than 1 slide switch another module from your coach to the one not working to see if that will move slide. Camping World in Greensboro is also close and might be of assistance. Good luck
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Old 05-20-2020, 11:06 AM   #4
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Posts: 249
Its not just the trans torque that will have to be loosened, you'll have to loosen the shafts in the drive cogs, to slide the motor shaft out. I would not commit to any of this until i knew the motor was bad. I just went through this and yes, it is a bear to loosen these bushings. My mobile tech was 6 foot, 300#'s, and it took everything he had with a 3 foot breaker bar to pop the trans torque. Also consider that with bushings this old they will be frozen on. It is a real possibility that you might shatter the bushings, so i ordered a spare bushing from newmar before i even started. We did everyhing on my spot, no need to move. Don't even think about the local RV dealer, they wont have a clue.
2011 Bay Star 2902
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Old 05-20-2020, 11:19 AM   #5
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And for future slide movements, either plug in to shore power or start your generator before pressing slide buttons. I’ve also seen posts where you might want to open a vent, window, or door to help reduce the effort to move a slide. When you expand the box, the air as to come from somewhere.
Tom Wilds
Blythewood SC
2016 Newmar Bay Star Sport 3004
2015 Jeep Wrangler 2DR 4WD Sahara, Automatic, Hard Top
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