Recreational Vehicle Water Pump Replacement, You Can Do This Yourself

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By Kenny Brickler

Water is defiantly the elixir of life- necessary for life survival, essential component of most things we use in life and the best thirst quencher around. As a Recreational Vehicle enthusiast, one of the advantages with your RV is being able to have water available inside, for personal needs, cooking and cleaning and to satisfy that thirst. When your RV is in a trailer park or a campground, you can usually just hook a garden hose to an available water bib, allowing instant flow within your RV and also filling up your water storage tank. In most cases the in-park system has enough pressure to ensure your water system works properly. However, for those instances where the park system is low on pressure, or you have to get your water supply from non-pressurized system such as an underground source of nearby body of water, your RV is equipped with an onboard water pump.

The Water pump is really a simple device- an electric motor turns an impeller to force water through the pipe system, there is usually a filter device to prevent big objects from damaging the internal workings of the pump, a sensor to monitor the pressure amount and control the automatic start of the pump, and an inline fuse somewhere between the pump and the 12v power source. A water pump usually fails because of its poor construction; something has been sucked into the pump that causes damage or an electrical connection problem.

If the pump is heard to be working but you have little or no water or you know your pump is supposed to be on but no results, odds are there is a problem with the pump itself. First, check the pump unit- it usually located inside the RV under a counter, somewhere with access. Is there water underneath the unit? Vibrating excessively? Really noisy? Electrical connections hooked up? If any of these are exist, the pump will either have to be repaired or replaced. It should be a simple matter to remove the pump unit from the RV- the following steps should allow you to remove most pumps.

Needed tools: pliers, screwdriver (Philips and/or flat head), combination wrench, maybe a socket set, rags (soak up water)

  1. Disconnect power to unit (disconnect battery)
  2. Remove electrical connections, perhaps marking and labeling them
  3. Unbolt pump (usually held by 4 bolts)
  4. Disconnect hose or pipe fittings

Look for obvious cracks, loose water pipe connections, frayed electrical leads, clogged filter screens. If fixing any of these is not the obvious solution, either an overhaul of the pump or outright replacement will be needed. If replacing the unit, most RV stores or online suppliers should have a model for your specific RV, perhaps made better than the original. Just install in the reverse order of removal.

If you are going to tear into the pump yourself make sure you have a clean working area, and a repair kit for your particular model pump could be very handy (includes gaskets, o rings, new filter screens, etc.) If you suspect electrical problems, a multi-meter could be very handy, if not essential. Before you attempt any repairs you are not familiar with, acclimate yourself with the basics of electrics, internal pump workings and how to use your tools properly- you will save yourself some real sweat and grief.

There are some specific things that can be done in advance to ensure your pump works properly. Always winterize your water system, by draining tanks, using RV Water antifreeze and following manufacturer’s instructions. Before using your RV for the first time and after extended storage, make you sure you are familiar with all the water systems and how they operate- check for leaks, smelly water that could be a sign of contaminated pipes, and that everything turns on when it is supposed to. Look for vibrations with your pump (if your pump makes excessive vibration noises, unbolt your pump and put a computer mouse pad under it and bolt the unit back down- it really works.)

Preventive maintenance will help ensure your Recreational Vehicle has the water when you want it or need it.

If you are ready to RV’ing this summer and want to make sure that everything works as desired before you go, then just go here for further information: RV Water Pumps []

Author: Kenny Brickler is an expert with Anything to do with an RV! From Planning a Trip, Finding a campground, replacing parts or living the Life of Luxury aboard your Land Yacht, you can’t go wrong with RV Parts King [].

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