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Old 07-29-2021, 09:39 AM   #1
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Location: Lake Havasu City, AZ.
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HWH Synchronizing Cylinder Bad?

The rear end of my kitchen/living room slide would not move when I went to extend it! Called a mobile rv repair guy, he came out checked solenoids, this and that and determined my synchronizing cylinder was bad! If and when HWH has one available, itís over $1600. Iím searching for a used one, but not crazy about putting a 17 year part from a salvage yard back in its place! What goes bad on these cylinders? Tried to take to a hydraulic repair shop, but they said nope! Click image for larger version

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RJ Perry
Lake Havasu City, AZ.
2004 Country Coach Intrigue
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Old 07-29-2021, 10:12 AM   #2
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Those with rubber parts are always my concerns, as we know rubbers no matter in what forms - o-rings, hoses... are all aging... For older coaches, more likely the rubber components cause troubles.

In case no replacement and there isn't a shop willing to take on it, were it me, I'd disassemble and check it out myself. It may not be that complicated, maybe just an o-ring or a diaphragm failed. Obviously o-ring is an easy part.

Good luck and keep us posted.
Steven & Polly
2000 Country Coach Intrigue 40' ISC 350
2014 Ford C-Max Energi
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Old 07-30-2021, 06:41 AM   #3
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Last year I thought this as a problem with my slide. At that time HWH would rebuild your cylinder for about 700 to 800. Take it out and ship to them to get the job done. Don't know what price is now.
Jack and Katie along with shelties Gracie and Raven
2000 CC Magna #5840 2017 Chevrolet Equinox
Air Force One braking
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Old 07-30-2021, 08:56 AM   #4
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it would have been good to check the 5000 lb pressure switches on the sync cylinder before disconnecting it. this is the normal failure point without an external leak.
at this point, i would check with hwh
. send an email to address, phone, and vin of chassis. give a detailed explanation of the problem and request a RGA number to return the part.
it may take a few days for a response, but this is the fastest way to get a response.
hwh has some parts in their inventory.
because of shortage of laborers, and the demand for parts by owners repairing their own coaches, it has caused an increased demand, and there is an extended wait time.

i dont make excuses, but when you cant get workers, there is a major snag. even elevated wage offers doesnt help.
production of new parts is 8 to 10 weeks out, in most cases.
there are some reman parts available, if you ask.
i work full time for hwh, i do not solicit part sales on this forum,and do not do service work.
i am available for advice on how to repair your hwh system, and help in locating a service tech near you.
paul maddox 602 549 3638
my email has failed the last two days, so text is the best way of contact.
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