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Old 09-19-2016, 08:23 AM   #1
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Winterizing 1997 Holiday Rambler Endeavor


We just bought a 1997 Holiday Rambler Endeavor this past summer and have never owned an RV before....so I have lots of questions. My wife and I have been immersing ourselves in any and all information we can get our hands on and have done quite well in-so-far as to not having the RV explode at any given time that we've used it the past couple of months. I now want to winterize it. My Question is this: I can use a hand pump to get the antifreeze into the water holding tank. Now that it is in the tank, am I relying on the water pump to get the antifreeze through the water lines throughout the RV? This sounds like such an easy thing to do, but some of the videos I've been watching on the internet makes it seem that these people are relying on the hand pump to force the antifreeze through the lines. I need clarification on this. Also, how much antifreeze do I pump into the tank and must I rinse and drain the tank after all the lines have the antifreeze in them? Thank you for any advice you can give me on this!


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Old 09-19-2016, 01:56 PM   #2
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Not sure if you have the same set up as mine but I posted (winter is coming) and you can see some photos I posted ,I just winterize my coach I really did not want to put the anti freeze in the fresh water holding tank but I can't get all the water out so I'm going to have to. If you connect it straight to your pump it's very easy.Hope it helps

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Old 09-20-2016, 06:42 AM   #3
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Thanks for the info and such a fast response. I would love to hook the antifreeze directly to the water pump, however, I have no idea how to even begin that process. I don't even know where the pump is located,much less disconnecting it from the tank, then onto the antifreeze bottle/hand pump. I'm new to this website (and to posting) so I'll try to find your Winter Is Coming post to look at how you have things set up.

Thanks again for you information Steppinstone,

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Old 09-20-2016, 07:14 AM   #4
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You could also use an air compressor to blow out all the lines. First you drain the fresh water tank and water heater. Close those valves, hook your compressor to the city water connection set at 40 psi. Open all faucets one at a time until no water comes out. Don't forget the toilet and outside shower. Once that's done, open all faucets and let compressor run for about 10 minutes. Disconnect compressor and reopen fresh water drain valve and water heater relief valve, pour antifreeze in all sinks, shower and put about an inch in the toilet. You're set for the winter and don't have to flush water system next spring. Been doing this for 15 years with no problems.
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Old 09-20-2016, 02:45 PM   #5
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Thank you for your suggestion. That sounds very easy and practical. Never would have thought of that on my own. I appreciate your input.

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holiday rambler, winter

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