RV Education Questions & Answers

Q. I have a water heater in my RV. Every year Ithings have been factored in, such as, cost of engine
drain it for storage. When I do, I notice that themaintenance, cost differential for the fuel type (as
anode rod, which is also the drain plug has been atgasoline prices rise, will diesel rise at the same rate,
different stages of decay.slower, faster? What about bio diesel? Is there a
Mark Says: It's a good thing you drain the waterre-sale advantage to either one?
heater and that you take notice of the anode rod.I haven't found a discussion of these issues
Many people don't know it's even there. Anode rodsanywhere yet. The dealer I've been working with
are used in suburban water heaters because theyjust gave me the answer above... not cost-effective
have steel tanks. The anode rod attracts mineralsunless kept for many years.
and deposits that could be harmful to the tanks lining.I'm an older, single woman, wanting to do some
These deposits eat away at the rod rather thantouring with my dog for the next 2 years or so. I'm
damaging the tank. I would replace the rod when it'sexpecting various friends to link up for certain legs of
about 75% consumed.the trip. I will appreciate good guidance.
Q. Would like your thoughts on pros & cons ofMark Says: Gas versus diesel is an age old discussion
towing a trailer behind my F/Wheel because I missand one that often times gets heated. If asked this
my Harley-Davidson during long winter stays downquestion several years ago I would have responded
south! Also do you know of states laws prohibitingsimilar to the salesperson, because the cost
this? Thanks in advance for your reply.difference was quite significant. Tody's RV's offer
Mark Says: It's quite common for people to towmany gasoline models in the same price range as
things like boats and small trailers behind their trailer.many diesel products. Mainly due to advances in the
Some concerns are the hitch on the back of thechassis itself driving the prices upward.
trailer, it needs to be capable of supporting theWhat I can tell you is a diesel will last longer that a
additional weight and the tow vehicle you are towinggasoline engine so if you plan to keep the RV for a
with needs to have a tow rating capable of towinggood amount of time it would be worth the
the total amount of weight. If you were to exceedinvestment. I have no idea what is going to happen
the vehicles Gross Combined Weight Rating yourwith the types of fuel or the cost comparison
insurance or vehicle warranty may be voided in thebetween gas and diesel.
event of an accident or breakdown.Maintenance wise it used to be that a diesel required
As far as the legal issue goes, here is a link thatless, keeping in mind there are more filters etc. on a
shows each states laws for trailer towing. You willdiesel, but nowadays gas engines can go upwards of
notice that one of the criteria is for towing two100,000 before a tune up, with nothing more than
trailers. The one thing I'm not sure of is, if it's legal toroutine oil changes, air filters etc.
tow two trailers in the state you live in can you towThis probably doesn't help much. If you want some
that configuration across the border of another stateother peoples opinions I recommend you go to the
and still be legal. You may want to contact theopen roads forum and post this same question in the
highway patrol and ask that question.appropriate forum. You are sure to get many
Q. Where would I be able to get instructions on usingresponses. Here's a link
the convention/microwave oven in our motor home.Q. I'm writing to ask which of your DVDs you think
It was put in to replace the original one but thewould be the most helpful for someone needing help
instructions were lost prior to our purchasing theunderstanding rv electrical systems and learning how
used motor home. So far the oven has not beento tap into them for simple projects such as a fridge
used at all other than to heat something up.baffle compartment fan, adding a 12v plug receptacle
Mark Says: Try to identify the manufacturer of theto charge things like cell phone, etc.
convection oven and go to their web site. OftenIf not one of your DVDs, if y'all know of a book I'd
times they will have the owners manuals available forreally appreciate the advice. Thanks.
download.Mark Says: I don't think any of our DVD's would be
Q. I have a 27 foot Dutchman Travel Trailer that Ihelpful in these areas. There are a couple of books
bought new in 2002. To date I have blown out 7that might be useful to you. The RV Handbook and
tires. I am now on Goodyear radials having replacedRV Repair & Maintenance. Here is a link where
the O.E. Carlyle tires. My question is this: Do tires on athey are available.
trailer require balancing and alignment like a car? I justQ. We have a 2003 23 ft. Komfort trailer with one
find it amazing that I have had that many blowouts.airconditioner, micro wave, radio, and TV. Would you
Mark Says: My first thought would be that the tiresplease tell us how to determine what size generator
are overloaded. If you haven't done it yet take thewe need for the trailer?
trailer to a set of scales where you can weigh eachMark Says: The easiest way to determine what size
wheel position separately. Compare the weights togenerator you need is to calculate how many watts
the tire weight rating when they are inflated properly.you plan to use at any given time. I am including 2
I have heard a lot of people complain about Carlylelinks that will tell you how many watts everything
tires, but seven blowouts indicates some other typeuses and then there is a link where you can plug
of problem. Balancing the tires cannot hurt but isn'tthose figures in and it will tell you the size generator
absolutely necessary. Alignment for a trailer is usuallyyou will want to get.
related to one of the axles shifting over. If you standQ. I Have a Refrigerator that's freezing up. It
in front of, and then behind the trailer look to see ifHappened after we defrosted it last august. as of
both axles (tires)are aligned with each other. If onemay 1 after turning it back on, it still freezes. any
of the tires sticks out further than the other take ithelp?
in to have it checked out.Mark Says: Here is one possibility. Look inside the
I still don't think this is what is causing the problem.refrigerator compartment toward the back and you
Weigh the wheel positions and try distributing anywill see some fins. On one of those fins there will
weight in the trailer so none of the tires arelikely be a small piece of plastic. You can slide it up or
overloaded. Another important factor is to make suredown on the fin. That will control the temperature
you are using replacement tires designed specificallyinside the refrigerator compartment. If it gets
for trailers. The sidewalls are designed to hold up tobumped or moved from it's original position it can
the twisting and flexing that occurs when you makecause it to freeze in the refrigerator. The problem is
turns etc.I don't remember which way to slide it to make it
Q. I just subscribed to your newsletter, hoping forstop freezing. Get a small refrigerator thermometer
some helpful info as I get re-involved with motorand experiment with it to see where it needs to be
homing. I sold my 24' class C and am shopping foradjusted. It will take quite a bit of time in each
something newer and more efficient, also larger. I'mposition so be patient. You want the temperature in
tending toward the Class B+ Phoenix Cruiser, 27' withthe refrigerator to be around 36 to 37 degrees. Food
2 slides. It comes as either gasoline or diesel. I'vecan begin to spoil at 40 degrees.
been told the additional cost for a diesel engineHopefully this will correct the problem.
outweighs any gas mileage benefit unless you keepCopyright 2007 by Mark J.
the rig for many years. But I also wonder if other