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Old 01-25-2021, 10:13 PM   #1
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Now would be a good time to check slide out motor bolts

With the new year and many new Newmar owners it's time to remind owners to check to see if their slide out motor bolts are loose. All 3 of our Newmar coaches have had problems with the bolts that hold the slide out motor to the frame coming loose over time and have caused hundreds of Newmar owners thousands of dollars. Our 18 London Aire had loose bolts holding the slide out motor on both the kitchen and the bedroom slides. We have the HWH hydraulic system on our big slide and this has been working great. In the bedroom to check the slide out motor you need to lift the bed and then pull up the false floor and then you can check to see if everything is attached right. On the LA the washers used on the large wood screws were to large and many bolts were loss. On the kitchen slide we have two motors to operate the slide and again when we checked them all were loose less then a year from new delivery. Over time when motor comes loose it lets the motor move which then jams the slide out assembly and cause major damage. When we contacted Newmar they said they use blue loctite but there was no loctite on our bolts. Went ahead and replaced the bolts with studs and put double nuts on studs, with double nuts all seems good now. If you start hearing different noises when using slide this would also be a good time to check your bolts. The kitchen slide out motor bolts can be found in the outside cabinets. As of right now nothing needs to be check if having HWH slide. From our experience this is the biggest issue with our Newmar coaches.
Newmar Man
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Old 01-25-2021, 11:55 PM   #2
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If I may add to your recommendation to check the gear keyways and set screws also. I have a 2019 London Aire and after 6 months of ownership I checked the bolts and like you, they were loose and no trace of Locktite but also discovered a keyway issue. The set screws were loose and the keyway backed out of the kitchen gear and bedroom gear. The right pic is the rear kitchen gear, it's hard to see, but the set screw is missing and the keyway is slid almost out to the right. The pic on the left is the bedroom gear. I removed the set screws, slid the keyways back in and used locktite on the set screws.
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Old 01-26-2021, 04:32 AM   #3
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Since installing the studs in place of the bolts, all is well. Thanks for the reminder!
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Old 01-26-2021, 06:21 AM   #4
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Thanks and thanks for the key way deal.....One of the best things I learned about our coach on this site and most of mine were loose....Also make sure to torque the shaft collar nut with a crows foot to spec.
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Old 01-26-2021, 07:25 AM   #5
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Thanks for the reminder Tom. I too would prefer to avoid problems.

As a noobie with a 9,700 mile 15 DS 4369, with no such issues yet. Like to keep it that way. I’d really appreciate details on I can can check/tighten/LocTite these bolts on my rig. Any & all details appreciated.

Thanks
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Old 01-26-2021, 09:07 AM   #6
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I have a 2008 Tiffin Phaeton 40'
A few months ago my slide (electric) failed to extend and on checking the problem found the bolts for the gear box/motor out and the gear box housing broken in half.
I was leaving for a trip the next day and it was a fire drill to find and get the part over night.
I did get the part overnight but not through any conventional channels
I'm sure the root cause of the failure was the bolts had come loose which put stress on the housing when energized

Good advice .....
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Old 01-26-2021, 09:18 AM   #7
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Tom- thanks for the regular reminders. Sometimes it’s easy to forget.
Scott, I’ll definitely check the keyways and set screws next time I’m putzing around the bus.
Stay Safe!
Ron
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Old 01-27-2021, 07:20 AM   #8
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Thank everyone for the great information...going to check mine today.
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Old 01-27-2021, 06:49 PM   #9
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You will find a check list in this sticky link among other things.
Kitchen slides have plates with guide bolts that become loose and slide may guide out crooked all explained in new slide info the Good, Bad & Ugly.
Have fun.
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Old 01-28-2021, 10:12 AM   #10
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Quote:
Originally Posted by 007";5612852]You will find a check list in this [B][URL="https://www.irv2.com/forums/f103/important-information-for-newmar-owners-375453.html
sticky link[/URL][/B] among other things.
Kitchen slides have plates with guide bolts that become loose and slide may guide out crooked all explained in new slide info the Good, Bad & Ugly.
Have fun.
I really like the work you have done on the sticky but I can't find anything that has the instructions on how tighten loose bolts on slide motors. I'm I just missing it?
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Old 01-31-2021, 07:05 AM   #11
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Thanks for the reminder Tom. Checked our New Aire bedroom slide today and found one broken sheet metal screw (really Newmar ). Head and washer were nowhere to be found. Slight bend and crack on the mount too.

Drilled out for bolts, locket nuts, red Locktite to keep it tight, and added some angle iron I had in the scrap pile. Hopefully the mount won’t crack all the way with the added support.
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Old 01-31-2021, 11:18 AM   #12
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Quote:
Originally Posted by sramer View Post
If I may add to your recommendation to check the gear keyways and set screws also. I have a 2019 London Aire and after 6 months of ownership I checked the bolts and like you, they were loose and no trace of Locktite but also discovered a keyway issue. The set screws were loose and the keyway backed out of the kitchen gear and bedroom gear. The right pic is the rear kitchen gear, it's hard to see, but the set screw is missing and the keyway is slid almost out to the right. The pic on the left is the bedroom gear. I removed the set screws, slid the keyways back in and used locktite on the set screws.

I am looking at my slides today. Just to verify, is the set screw you are referring to the one that holds the cog on the shaft or if there another I need to find?
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Old 01-31-2021, 02:12 PM   #13
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As I stated in the beginning of the post this is the biggest repair problem that has cost hundreds of Newmar owners, thousands and won't be surprised if the cost are even a million dollars total over the 24 years of owning Newmar's. We and a number of other owners have come up with our own fix for this problem like studs, Loctite and double nuts in our case. Was surprised when contacting Newmar within 6 months of picking up our new London Aire we had all the problems with slides. Newmar stated they are using Loctite on the bolts, but as other have posted there was no Loctite on ours.
We LOVE our Newmar's and have visited the factory at least 15 times (2,300 miles oneway) since our 1st LA purchase. From our 1st. 97 LA to our 18 LA this is really only
major issue and thank goodness for a back ground in building race that we have solved the problem on all 3.
If we had to buy another coach today it would be another Newmar.
Newmar Man
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Old 01-31-2021, 02:43 PM   #14
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This problem is not limited to Newmar. My 2005 Fleetwood Excursion had the same problem a few years ago.
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