Water pump problems

Discussion in 'Motorhome Chat' started by Sallyswift, Apr 3, 2013.

  1. Sallyswift

    Sallyswift Read Only Funster

    Joined:
    Jan 16, 2012
    Messages:
    3
    Likes Received:
    1
    Location:
    East Anglia
    Has anyone had problems with their water pump due to the cold weather freezing it? We did everything you are advised to do - drained out the whole system during the coldest months - we usually use the van in the winter months but as the weather has been so bad since January, it has been stored outside for the past 3 months apart from a few trips when we have used it just to pick up some large items we bought. The van had only been serviced last October and we used it for a 3 week trip just before Xmas. We had it fixed and was told not to drain down the whole system completely as the small part that had broken was caused by just a small drop of water left in the system that had frozen and caused the part to expand and break. We were also told that the newer vans
    ( ours is 2009) are fitted with a different kind of pump now that fits outside. Our water pump is fixed inside under the wardrobe cupboard.
     
  2. mick noe

    mick noe Funster

    Joined:
    Apr 14, 2009
    Messages:
    608
    Likes Received:
    507
    Location:
    near Boston Lincolnshire
    I would always drain down completely (search fun for full instructions)
    by this time of year normally would leave water in but still getting very hard frosts in Lincolnshire and will not risk leaving full yet.
     
  3. Daveo2006

    Daveo2006 Read Only Funster

    Joined:
    Jan 25, 2013
    Messages:
    1,168
    Likes Received:
    986
    Location:
    kent
    Mine is under the dinette seat behind the cab and not outside.
     
  4. pappajohn

    pappajohn Funster Life Member

    Joined:
    Aug 26, 2007
    Messages:
    29,440
    Likes Received:
    16,867
    Location:
    YO11 2BD
    that little bit of water in the pump will freeze....but so will a lot of water in the pump.

    very hard to get all the water out but the more water out, the better the chance of a working pump later.

    my filler is via an onboard valve and hose connector so i can blow out almost all the water with compressed air.
    can be done on a european vans gravity fill point but the filler needs sealing round the airline first to allow pressure to build up.

    if accessible try wrapping the pump in an old blanket or something similar to keep the cold out.

    a more expensive option is to use potable antifreeze.....NOT the stuff in your radiator.

    not cheap but can be recovered and used again for a couple of seasons at least.
     
    Last edited: Apr 3, 2013
  5. Ridgeway

    Ridgeway Funster

    Joined:
    Mar 10, 2012
    Messages:
    854
    Likes Received:
    367
    Location:
    Lausanne
    Usually these pumps have a push on/off outlet of 6-12mm depending on size an model. Just disconnect and blow it out, cables are usually long enough for this.

    Mine arrived split last year as the dealer hadn't fully drained it down, just enough water in it to split the side, fortunately I noticed the lack of pressure and asked them to replace it at their cost.
     
  6. Daveo2006

    Daveo2006 Read Only Funster

    Joined:
    Jan 25, 2013
    Messages:
    1,168
    Likes Received:
    986
    Location:
    kent
    I switched mine on for a short while once the system had finished emptying,and also left the drain off valve for the heater open whilst i done this.It does say that the pump can be run dry.
     
  7. Ridgeway

    Ridgeway Funster

    Joined:
    Mar 10, 2012
    Messages:
    854
    Likes Received:
    367
    Location:
    Lausanne
    The Reich/Whale type pumps can be run for quite some time dry. Many hours from my experience with them. Few seconds will be fine.
     
Loading...

Share This Page