Water leaking below van when pump and taps on

ScreenName30009CE751
ScreenName30009CE751 Forum Participant Posts: 3
edited July 2021 in Motorhomes #1

Hi, we’ve bought a 2003 Ace Napoli motorhome and been away for the first time this weekend. When we turn the water pump on and run the taps, water is leaking out from under the van. After a quick Google we thought it might be the safety/drain valve was open, but having found that it was already closed. It’s a Truma.  I’ve looked and can’t see any other switches.  Has anyone any other ideas? Many thanks for any answers.

Comments

  • JohnM20
    JohnM20 Forum Participant Posts: 1,416
    1000 Comments
    edited July 2021 #2

    Check all pipe connections when the pump is running. Does the pump stop running when you close the taps?

  • Cornersteady
    Cornersteady Club Member Posts: 14,426 ✭✭✭
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    edited July 2021 #3

    This did happen to us once in our previous van but it was directly under the sink. It was a loose connector in the cold water pipe to tap. It came out under the caravan as it ran thought the gas drain holes. I suggest you get a team effort going and one person runs the water while other watch for where it comes out under the caravan and trace it back? 

    Oh we also had a loose sink drain pipe. Easy to check - does it come out with the sink plug in.

    Hope you find it. 

  • Kasspa
    Kasspa Club Member Posts: 359 ✭✭✭
    edited July 2021 #4

    Can you lift a seat & see where the pump & filter connections are or is it beyond that point?

    If it was the safety drain valve it would leak all the time I think simply thro' gravity.....

  • ScreenName30009CE751
    ScreenName30009CE751 Forum Participant Posts: 3
    edited July 2021 #5

    Thanks all.  I'm going to run some Puriclean through the system tomorrow so I'll look at everything you've suggested and see if I have any luck

  • young thomas
    young thomas Forum Participant Posts: 11,356
    1000 Comments
    edited July 2021 #6

    some MH water systems have two drain cocks....mine certainly does... 

    one is the Truma 'frost protection' dump valve and the other is a drain, sitting at the low point of the system to help clear all of the water when draining the system.

     how fast is it leaking...gushing or a drip or something in between?

    its possible for the dump valve not to be seating properly, grit can be trown up from the road and get trapped, not allowing the valve to seat properly.

    i would get under the van and check if this is the source first...

    if not, you need to check each tap in turn to see if you can actually spot where the water is coming out....check hot and cold separately as different pipe routes...

    good luck.

  • chasncath
    chasncath Forum Participant Posts: 1,659
    1000 Comments
    edited July 2021 #7

    We've just replaced our drain down valve for just this problem. Examining the old valve revealed that an o-ring seal had gone. We had been getting bye by screwing the valve down with brute force! 

  • ScreenName30009CE751
    ScreenName30009CE751 Forum Participant Posts: 3
    edited July 2021 #8

    Thanks everyone. We found that the water was running from a box under the van so contacted a motorhome and caravan repair specialist in the area who came with rave reviews. He had us send him tons of pics and take the fridge vents off. He has suggested that the mixer tap in the kitchen needs replacing as when we took the lower vent off, water was coming out of the pipes running behind the fridge. So we need a new tap which he’s going to fit for us. 

    so currently sat on site at Southport in the scorching sun with a five litre water carry bag with tap for hand washing 😀

  • ScreenName6B23F9F1F1
    ScreenName6B23F9F1F1 Forum Participant Posts: 1
    edited July 2021 #9

    Could be worse,you could be sat at home.

    cool

  • EmilysDad
    EmilysDad Forum Participant Posts: 8,973
    1000 Comments
    edited July 2021 #10

    At least its a pretty simple fix. 

    PS taps are pretty easy to remove/ replace. I've just had to tighten up the horse shoe shaped clamp on my kitchen sink .... hardest bit is access. There's a clamp & each pipe is a push fit.

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