mtrumpet
Hamburg, NY
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Great idea! I'm going to do the oil analysis. I see that they also offer a coolant analysis too. I might go ahead and do that one too while I'm at it. It certainly couldn't hurt. Thanks for the tip!
Mark & Cherie (& Chloe)
2002 Newmar Dutch Star DP 3872, Cummins 350 ISC, Spartan Chassis
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JnJnKatiebug
NW Arkansas River Valley
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mtrumpet wrote:Great idea! I'm going to do the oil analysis. I see that they also offer a coolant analysis too. I might go ahead and do that one too while I'm at it. It certainly couldn't hurt. Thanks for the tip!
Unless you already have one you will need to order the pump along with the sample kit. You can use the same pump for the engine oil and the transmission but it takes a different pump for the coolant. If I were you I would go ahead and test the transmission fluid now as well. You can send them all in one box and save on the shipping.
2003 HR Endeavor 38PST
2007 Jeep Wrangler Rubicon
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Gale Hawkins
Murray, KY
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In the real world it should make little difference I expect.
We get into this with the tractors but they set out with a temp swing of nearly 100F degrees. The water in the oil will boil off after a few hours of use.
With your temp controlled storage that should not even be a concern for your fuel tank or crankcase.
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JetAonly
Ohio
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FWIW here is what Cummins says.
2000 Monaco Dynasty
ISC350
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racerchaser
Southwest Missouri
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Something to think about. I have no problem with any of the above information. Everyone has an opinion and that is fine with me as it is your money not mine. However, there are some points you might keep in mind.
If you store your coach during the year and change oil once a year it is best to do it before you put the unit in storage. The reasoning is that if you do not change it before storage all of the impurities that have been gathered by the oil during the year just sit there and work on the engine surfaces during the storage period. You should treat any internal combustion engine in this manner be it auto, motor coach, lawn mower, etc. Regardless of any analysis, oil that has been used for a period of time will not be as "lint free" as new oil.
Owners will spend thousands of dollars on add-ons (supp braking systems, TPMS, etc.) and go to great lengths to save a few dollars on oil.
It is a DP. It is like a boat or airplane. It costs money to own.
Fox
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JetAonly
Ohio
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racerchaser wrote:Something to think about. I have no problem with any of the above information. Everyone has an opinion and that is fine with me as it is your money not mine. However, there are some points you might keep in mind.
If you store your coach during the year and change oil once a year it is best to do it before you put the unit in storage. The reasoning is that if you do not change it before storage all of the impurities that have been gathered by the oil during the year just sit there and work on the engine surfaces during the storage period. You should treat any internal combustion engine in this manner be it auto, motor coach, lawn mower, etc. Regardless of any analysis, oil that has been used for a period of time will not be as "lint free" as new oil.
Owners will spend thousands of dollars on add-ons (supp braking systems, TPMS, etc.) and go to great lengths to save a few dollars on oil.
It is a DP. It is like a boat or airplane. It costs money to own.
X2
Further, because of differences in testing methods oil analysis shouldn't be compared from different companies. While interesting as a data point the best information is from trend analysis. It takes lots of data points to make meaningful interval decisions. If I had a fleet of ISC engines with samples every 100 hours then in a couple of years I would have enough data to draw good conclusions. JMO
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jorbill2or
Oregon
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Truth be told none of us will put enough miles on the MH and if you NEVER changed the oil you wouldn't know it. Will it last 500,000 miles .. ? Certainly not . Change it because it's the right thing for the entire life of the vehicle. The next owner will thank you. The comercial truck I drove went almost 100000 miles between changes (oil testing ) andThey all regularly went over a million miles before a full teardown Just saying ...
My post's are my opinion The advice, comments etc are free and worth what you paid 
Bill
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Buck62
Charleston, South Carolina
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Oleo Ranch wrote:With todays cost of oil and filters--I send an (SOAP) oil sample for analysis and continue using my coach until I get the results back. Based on this practice, I have been driving to the full 15,000 miles which is recommended by my engine manufacturer.
When the coach was new I had to change the oil early, due to the oil particle count being high, based on the oil analysis. Particles were attributed to engine manufacturing trash. The next sample was very clean.
Living here in North Texas, we are able to use RV year around, and go some where just about every month.
This practice did help save $$ on oil/filter changes.
Oil analysis is good way to determine oil change frequencies IF your engine is out of warranty. Just about all the engine makers (Cummins, Cat,ect) specify both a mileage and time frequency. The time frequency is usually a yearly change. I follow my engine's maintenance requirements for warranty then I will probably use the oil analysis.
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TZScales
Maryland
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racerchaser wrote:Something to think about. I have no problem with any of the above information. Everyone has an opinion and that is fine with me as it is your money not mine. However, there are some points you might keep in mind.
If you store your coach during the year and change oil once a year it is best to do it before you put the unit in storage. The reasoning is that if you do not change it before storage all of the impurities that have been gathered by the oil during the year just sit there and work on the engine surfaces during the storage period. You should treat any internal combustion engine in this manner be it auto, motor coach, lawn mower, etc. Regardless of any analysis, oil that has been used for a period of time will not be as "lint free" as new oil.
Owners will spend thousands of dollars on add-ons (supp braking systems, TPMS, etc.) and go to great lengths to save a few dollars on oil.
It is a DP. It is like a boat or airplane. It costs money to own.
I wholeheartedly agree.
TZS and Wife 
2007 Monaco Executive Sandia IV
Cummins ISX 525 Horsepower
Allison 4000 Six Speed Transmission
Roadmaster Chassis
2006 Saturn Vue
SMI Air Force One
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okgc
Southern Michigan
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I agree many MH do do not need an oil change every year, BUT I if mine is under a factory warranty, it WILL be serviced by the book.
Small yearly maintenance cost for the price of the unit.
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