water pump cycling.
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Forum Name: Podmods, Maintenance, Tips and Tricks
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URL: http://www.rpod-owners.com/forum_posts.asp?TID=5097
Printed Date: 12 Jun 2025 at 7:57am
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Topic: water pump cycling.
Posted By: ahefner
Subject: water pump cycling.
Date Posted: 02 Aug 2014 at 12:39am
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Is it normal for the water pump to cycle every so often when the faucets are off? I going to guess this happens once an hour. Maybe less often that that.. ------------- 2014 rPod 178 2014 Toyota Tundra 5.7 |
Replies:
Posted By: Cap-n-Cray
Date Posted: 02 Aug 2014 at 1:46am
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Sounds like a leak somewhere or losing pressure. I accidentally left my water pump on all night and it didn't make a sound. ------------- Cary 2014 RP-177 |
Posted By: Budward
Date Posted: 02 Aug 2014 at 4:48am
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Yep- leak. It could be leaking back through the check valve in the pump if there is a small amount of debris in it.
------------- 2014 179 Towed by a 2015 Ford Transit Diesel Supervised by a German/Aussie mix and a Labradoodle! |
Posted By: CharlieM
Date Posted: 02 Aug 2014 at 8:17am
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You might hear the pump cycle once or twice after water uses ceases. This is due to the hoses expanding and/or air being absorbed into the water under pressure. This is normal, most noted at night when things are quiet, but should not continue. A continuing cycling indicates a possible check valve leak as Budward mentions. However you should also check for real water leaks, including outside and under the Pod. Loose water fittings have been found.
------------- Charlie Northern Colorado OLD: 2013 RP-172, 2010 Honda Pilot 3.5L 4WD PRESENT: 2014 Camplite 21RBS, 2013 Supercharged Tacoma 4L V6 4WD |
Posted By: techntrek
Date Posted: 02 Aug 2014 at 11:30am
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I've heard mine cycle briefly once or twice in the middle of the night, I'm sure for the reasons Charlie mentioned (and possibly temperature changes). If you are hearing it often, an area to check is the water heater overpressure valve, outside, at the top of the water heater. ------------- Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ http://www.rpod-owners.com/forum_posts.asp?TID=1723 - Pod instruction manual 
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Posted By: ahefner
Date Posted: 02 Aug 2014 at 6:44pm
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How does a person check then check valve? I haven't seen any signs of water anywhere. ------------- 2014 rPod 178 2014 Toyota Tundra 5.7 |
Posted By: Budward
Date Posted: 02 Aug 2014 at 7:26pm
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You wouldn't see water if it is a leaking check valve, it bleeds pressure off back into the supply side. Do you use the water much? If not I'd cycle a bunch water through it and see if it clears. It might. Or you might have to disassemble the pump and clean. I don't think mine runs at all overnight. ------------- 2014 179 Towed by a 2015 Ford Transit Diesel Supervised by a German/Aussie mix and a Labradoodle! |
Posted By: techntrek
Date Posted: 02 Aug 2014 at 8:05pm
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If the overpressure valve on the water heater is failing, you'll see water leaking from it. ------------- Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ http://www.rpod-owners.com/forum_posts.asp?TID=1723 - Pod instruction manual
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Posted By: ahefner
Date Posted: 02 Aug 2014 at 8:38pm
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I normally have full hookups. My last trip I had to use the pump. Actually I think it was the first time I have really ever used it for any period of time. ------------- 2014 rPod 178 2014 Toyota Tundra 5.7 |
Posted By: ahefner
Date Posted: 18 Aug 2014 at 5:17pm
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I checked the last time I went out and had no problems with the pump cycling. It was either some trash in the valve or an air pocket somewhere. ------------- 2014 rPod 178 2014 Toyota Tundra 5.7 |