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Old 02-11-2016, 04:52 PM   #1
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HWH Slide out Syncronizing Cylinder

Does anyone have information on repair or replacement of the synchronizing cylinder on a 08 Winnebago Adventurer. I believe mine blew a seal because I ended up with a very big pool of hydraulic fluid on my driveway when I attempted to extend my living area slide out. I see the fluid leaking from the cylinder and not a fitting or hose. I have called HWH and the RAP92128 cylinder is on 2 week backorder.

Can these cylinders be repaired or does anyone know a dealer in the US that might have one in stock?
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Old 02-11-2016, 05:05 PM   #2
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Don't know if they can be repaired, but HWH has a good article in their library on how these cylinders work and how to install one.

Here is one of many:
Sync Cylinder info

Google HWH synchronizing cylinder for a bigger list.

Regards,

Dan
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Old 02-11-2016, 05:14 PM   #3
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You might try Stewart's Service in Elkhart, they specialize in HWH systems.


HWH Replacement Parts - Stuart's Services


He does a great job working on the systems (did mine) but not sure how he's stocked on parts.
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Old 02-11-2016, 06:51 PM   #4
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Quote:
Originally Posted by Jserna View Post
Does anyone have information on repair or replacement of the synchronizing cylinder on a 08 Winnebago Adventurer. I believe mine blew a seal because I ended up with a very big pool of hydraulic fluid on my driveway when I attempted to extend my living area slide out. I see the fluid leaking from the cylinder and not a fitting or hose. I have called HWH and the RAP92128 cylinder is on 2 week backorder.

Can these cylinders be repaired or does anyone know a dealer in the US that might have one in stock?
Jserna
Yes, those cylinders can be serviced/repaired/rebuilt by just about any hydraulic/jack repair service establishment. My bedroom slide in my '04 Horizon 36GD with the C-7 330HP CAT, has two extension cylinders and a balancing/synchronizing cylinder. well, one of the rams started leaking shortly after we purchased the coach, about 4.5 years ago.

I gotta tell ya, pulling that particular ram, was one serious pain in the a$$. But, once it was out, I ran it down to a local jack repair shop and, he had it rebuilt with proper sized O-rings/seals etc. in about 15 minutes. The cost at the time, about $60 total. The cost for a new cylinder/ram from HWH, right at $285.00.

So, not only did I save a bunch of time by doing it the way I did but, I also saved a ton of money too. So, if it were me, I'd yank that syncro cylinder out and , run it down to a hydraulic shop and see what they can do for you. What have you go to loose?
Scott
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Old 02-12-2016, 02:43 PM   #5
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if its leaking where the rod extends from the cylinder. the end screws off and you can replace the o ring. when you reinstall the sync cylinder, use the hose a bleed procedure that listed in the service manual. if you need some help, call me at 602-549-3638. i can help.
i work for hwh. i do not sell parts or solicit service work on this forum.
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Old 09-18-2021, 06:34 PM   #6
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if its leaking where the rod extends from the cylinder. the end screws off and you can replace the o ring. when you reinstall the sync cylinder, use the hose a bleed procedure that listed in the service manual. if you need some help, call me at 602-549-3638. i can help.
i work for hwh. i do not sell parts or solicit service work on this forum.
Pete, I am wondering if the 2 Hydraulic cylinders on my Living Room Main slides are what you are referring to as Synchronizing Cylinders?
If Not, what is the "Synchronizing" Cylinder?
2000 Alpine 40FDS Limited
Thanks for any help. Will
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Old 09-18-2021, 07:40 PM   #7
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Originally Posted by New Guy Will View Post
Pete, I am wondering if the 2 Hydraulic cylinders on my Living Room Main slides are what you are referring to as Synchronizing Cylinders?
If Not, what is the "Synchronizing" Cylinder?
2000 Alpine 40FDS Limited
Thanks for any help. Will
No, see the Sync Cylinder Info link in post #2 earlier in this thread.
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