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10-15-2020, 11:54 PM
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#1
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Water pump
I’m sure someone has had this problem but I couldn’t find it doing a quick search. So, I was winterizing the rig (2016 3791RD) and after blowing out the lines, I was ready for antifreeze. So we don’t get off on a tangent, I know I can just blow out the lines and call it quits but I want to add antifreeze too. I have done this procedure every year. Moving on, after switching to “winterize” in the convenient center, and putting my hose in the antifreeze bottle, I turn on the water pump. No draw. Thought maybe I had a loose connection. Pulled the wall and checked all connections and all looked good. Still no draw. Disconnected the inlet hose to the pump to see if there was any suction there. No suction. Any thoughts ??
Btw, discovered that the noise produced from running the pump was mostly the pex lines vibrating against the back of the convenient center wall. After cushioning that contact, barely notice the pump noise now.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-16-2020, 06:03 AM
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#2
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Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,140
M.O.C. #25165
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Not sure if this will help as I usually only blow out the lines myself, but I have read that most people use 2 washers in the hose inlet for the winterize port to make a seal. Also, they say you will need to hold the jug of pink stuff above the inlet port so gravity can help draw it in. I guess the pump can't pull hard enough to prime.
__________________
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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10-16-2020, 08:55 AM
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#3
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Quote:
Originally Posted by RMcNeal
Not sure if this will help as I usually only blow out the lines myself, but I have read that most people use 2 washers in the hose inlet for the winterize port to make a seal. Also, they say you will need to hold the jug of pink stuff above the inlet port so gravity can help draw it in. I guess the pump can't pull hard enough to prime.
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Not really, but thanks for responding. The winterizing port is not at issue. Also, what good is a self priming water pump if you have to gravity feed it ? The same pump draws water from the fresh water tank some 25 feet to the rear of the RV without priming but needs priming from the winterizing port just 2 feet away ? Just saying.
My issue is with the pump itself. With the pump running, I feel no suction at the inlet port of the pump itself. Is there some sort of troubleshooting I could do ? The pump has always worked in the past. I know, things work until they don't. Just trying to figure out if there is a fix for this other than just throwing money at a new pump.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-16-2020, 10:03 AM
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#4
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Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,140
M.O.C. #25165
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Just a guess, maybe the check valve is stuck? Sorry its not working for you. Are you sure it is not drawing air from somewhere?
__________________
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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10-16-2020, 11:00 AM
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#5
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Quote:
Originally Posted by RMcNeal
Just a guess, maybe the check valve is stuck? Sorry its not working for you. Are you sure it is not drawing air from somewhere?
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Don’t know where the pump could draw air. I disconnected the inlet hose and felt no suction at the pump inlet at the pump itself. I’m looking for pump troubleshooting ideas.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-16-2020, 02:14 PM
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#6
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,929
M.O.C. #20477
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Use an external pump to put antifreeze in. You need one anyway to refill your fresh tank unless you want to pull the rig to water.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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10-16-2020, 02:50 PM
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#7
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Quote:
Originally Posted by AZ Traveler
Use an external pump to put antifreeze in. You need one anyway to refill your fresh tank unless you want to pull the rig to water.
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Thank for your response.
The point of my question is clearly being missed. I am looking to the group for any TROUBLESHOOTING tips for a water pump that is not drawing water.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-16-2020, 03:57 PM
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#8
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Established Member
Join Date: Apr 2020
Location: Houghton Lake
Posts: 19
M.O.C. #26080
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I thought I was having problems also, after blowing it out. I opened a faucet and let it run for a few minutes and it started pumping as normal. It did take a while to get pressure because all of the air in the lines.
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10-16-2020, 05:30 PM
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#9
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Does anybody have any troubleshooting tips for a water pump with no suction at the inlet of the pump ?
Just the pump. Nothing but the pump.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-16-2020, 07:59 PM
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#11
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Another option is to call the manufacturer. They probably have a tech support group that has more experience with specific issues on their product.
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2006 3000RK
2009 Ram 2500
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10-16-2020, 08:56 PM
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#12
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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On the Inlet side of the pump I would look for loose fittings. It sounds like it may be sucking air vs water
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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10-16-2020, 09:44 PM
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#13
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Established Member
Join Date: Oct 2009
Location: Medicine Hat
Posts: 40
M.O.C. #9836
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Most likely nothing to do with the pump. Take the cone tipped washer out of the winterize port and turn it around, the tip pushes the check valve open and the pump will draw the pink stuff. The pump can't pull the check valve open. Just remember to flip the cone washer back after winterizing so the check valve works.
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10-16-2020, 10:22 PM
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#14
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Hard to get an answer or tips on my issue. I thought I made it clear the problem is not the winterizing valve. The problem is not the winterizing port. The problem is not air in the lines. The problem is not loose connections. The problem is at the pump. There is not suction on the inlet port on the pump. No lines are connected. The problem is isolated at the pump. Is there something I can troubleshoot on the pump ?
Guess I hit a brick wall.
Carl n Susan & jimcol, thank you.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-17-2020, 05:41 AM
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#15
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Established Member
Join Date: Aug 2019
Location: LYNCHBURG
Posts: 14
M.O.C. #24622
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Have you tried to put fresh water back in the tank and see if it picks it up and pumps it through the system ? If it does then drain the tank and blow the lines out and try what kencare said and make sure the selector is in the correct position. Or you may need a new pump.
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10-17-2020, 08:05 AM
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#16
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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a better title would be "Cannot get Water pump to pump antifreeze"
Quote:
Originally Posted by kencare
Most likely nothing to do with the pump. Take the cone tipped washer out of the winterize port and turn it around, the tip pushes the check valve open and the pump will draw the pink stuff. The pump can't pull the check valve open. Just remember to flip the cone washer back after winterizing so the check valve works.
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If you have checked everything else This is most likely it.
I also put my bucket on a ladder higher than the outlet so it is easier to draw.
BTW a better title would be "Cannot get Water pump to pump antifreeze"
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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10-17-2020, 08:27 AM
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#17
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Thanks everybody.
No one seems to understand what I’m asking.
The problem is not winterizing or getting water from the fresh water tank.
Forget that I asked.
Let’s just drop it.
Forget this thread ever got started.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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10-17-2020, 08:40 AM
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#18
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Seasoned Camper
Join Date: Jul 2019
Location: Silver City
Posts: 69
M.O.C. #24575
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Take the pump out, set yourself up a makeshift test system on the work bench with a bucket of water and a 12v battery to run the pump. If it doesn't pull water out of the bucket it could be the pump has something in it, might have a check valve on the suction side that is stuck, sometimes the pump has a inlet screen that could be plugged, or maybe the pump is just bad.
__________________
2016 F-250 Lariat Super Duty 6.7L
2019 High Country 310RE
Andersen Ultimate hitch
Air Lift 5000 airbags
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10-17-2020, 09:22 AM
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#19
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Have you thought about moving south?
Sorry could pass on that one.
Anything else you need help with?
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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10-17-2020, 10:00 AM
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#20
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Quote:
Originally Posted by jeffba
Anything else you need help with?
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Junk mail
Telemarketers
Yard work
Understanding the wife
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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