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Old 02-13-2011, 05:39 PM   #1
Junior Member
Newmar Owners Club
Join Date: Jul 2009
Posts: 6
HWH Jack won't extend

I tried to extend my front jacks, but only the drivers side goes down. Both rear units work ok. Only the right front jack won't extend, any suggestions?

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Old 02-13-2011, 06:02 PM   #2
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Workhorse Chassis Owner
Triple E Owners Club
Join Date: Mar 2010
Posts: 15
Had that problem with my Triple e ,same jack ... coincidence . The problem was a blown fuse in the HWH control panel . I relaced the fuse but it blew again . I had to replace the solenoid for the right front jack . now it works fine but I will order replacement springs for all 4 jacks because they are slow to raise and they tend to extend 1/8 of an inch when driving and turn light and buzzer on ,very anoying . Hope this helps and good luck

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Old 02-13-2011, 07:47 PM   #3
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Tiffin Owners Club
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Location: Orange Beach, AL
Posts: 744
Your manual will give several trouble shooting suggestions. If you don't have a manual just Bing or Google "HWH jacks manual" and pick out the one that matches yours.

Good luck.
Del & Charlotte
RVing - Time well wasted
2004 Phaeton 40TGH w/ 2010 Acadia
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Old 02-14-2011, 01:18 PM   #4
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Tiffin Owners Club
Ford Super Duty Owner
Coastal Campers
Join Date: Sep 2006
Location: Monterey, Tn
Posts: 1,079
On our recent trip to Florida, the left rear HWH jack would extend just enough to make the light and chime go off. I could not get it to stop. We stayed for a week at the Great Outdoors resort in Titusville and there is a good RV repair facility located within the property. The tech guy told me if one of the jacks is failing to stay retracted after pressing the store button and assuming that the springs are good, then the problem is a bad solenoid. If all 4 jacks are giving you a problem, then it is a bad suttle valve. I'm not certain of the proper spelling with "suttle". Anyway, he replaced the LF rear solenoid and the problem went away. With that particular jack anyway.
2012 Tiffin Allegro 34 TGA
Ford V-10 22000 lb chassis
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Old 02-18-2011, 12:22 PM   #5
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Location: Kingman AZ
Posts: 191
I had the same problem and it was the solenoid. As most others have mentioned I would guess solenoid.
2004 Newmar/Scottsdale, W22, Toad/2000 Jeep Cherokee Classic 4X4 Auto Trans, US Gear Brake System, Blue OX Tow Bar, Garmin 1450 MT GPS. RVing Since 1989. Life Is Good!!!
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Old 02-19-2011, 06:43 AM   #6
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Newmar Owners Club
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Posts: 6
Thanks to all that replied. I fixed the problem. I called HWH and they adivsed to locate their main control eletronic box. I did and removed and reinstalled each fuse. That did it, I guess it was a poor connection, maybe a little corrosion, but they now work fine.


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