What Is Fault Code SPN 639 FMI 9? (Cummins, Freightliner)

While fault codes help you with the diagnosis, there are just too many of them. But without them, you wouldn’t know where to begin when fixing your engine.The SPN 639 FMI 9 fault code equals Cummins

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275 Vs 285 Tires: The Difference Between 275 And 285 Tires

Traction vs. Cost. This is always a tough decision to make when it comes to tires. The wider tires offer more traction and better grip, but they also cost more than the narrower tires. The tire you pick

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Complete Freightliner Fault Code List (PID, MID, SID)

Once the electronic and technological age took over, there had to be a method to guide repairs. The simplest solution was to create fault codes. Some are easy to understand and others are not. It is a

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Bypass Chicago: Best Route To Avoid Chicago Traffic

If it isn’t traffic… then it may be construction. When you get around the larger cities, it may be possible to avoid one but not the other. When you ask people for the best route be prepared to sort

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225 Vs 235 Tires: The Difference Between 225 And 235 Tires

Good tires are not just for trucks, SUVs, and RVs. Everyone who owns a car, no matter its size, needs to have good tires on their vehicles. Then they need to take care of them once they are on. Finding

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Kohler Generator Fault Code List (Troubleshooting Manual)

Not all fault codes list come with a numerical listing. Some may just be abbreviated words from the actual problem. This can slow things down somewhat when you are trying to find out what is wrong with

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What Is Fault Code SPN 3251 FMI 16? (Cummins, Freightliner)

That is the way it is with new systems or any system for that matter. Once you understand how they work, they become very easy. The same can be said for finding what fault codes mean. Once you understand

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Blue DEF Platinum Reviews and Problems: Is Platinum Worth It?

When a manufacturer or retail outlet puts a link in their ads that says click to get a quote or something similar. That is always one red flag letting you know that the price may be a bit high. But that

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Cat C7 Oil Pressure Sensor Location (Helpful Guide)

With all the new diesel regulations and standards finding the small parts can get tough. They are usually placed in out-of-the-way spots and are often hard to view as other larger parts block your view.

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Complete Cummins Fault Codes List (Cummins SPN Codes PDF)

Over the years the SAE has developed a fault code system to help mechanics and DIY mechanics figure out what was wrong with their modern engines. This system is supposed to make repair work a little easier

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What-Is-Code-SPN-1209-FMI 2-(Cummins-SPN-1209-FMI-3,-4,-18)

What Is Code SPN 1209 FMI 2? (Cummins SPN 1209 FMI 3, 4, 18)

There are a myriad of fault codes. That is one thing about these modern engines. The regulations engine makers have to meet are astronomical. Thus the engines themselves have far too many parts that can

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How To Clear Cummins Fault Codes (How To Read SPN Codes)

No matter who is to blame, the car or truck owner is stuck with clearing those fault codes that let them know what is wrong with their vehicle.To clear fault codes, you would need a code reader, a scanner,

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Are Interstate Trailers Any Good? (Interstate Reviews)

People like bringing their toys. No matter how old one gets, having their toys within easy reach is essential. The way for RV owners to bring their toys is to buy a good box trailer. A toy hauler is okay

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Allison 1000 Transmission Diagrams (Parts, Solenoid, Wiring)

Allison 1000 Transmission Diagrams (Parts, Solenoid, Wiring)

While diagrams are very helpful, sometimes they are drawn in such a way they are hard to follow and understand. But when you are doing a DIY repair, diagrams are your best tool and guide.Throughout this

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How To Get a Non CDL Class C License Illinois (Cost + Tips)

State licensing requirements can be stressful. But if you read the book carefully, study hard as well as practice, you should be able to pass the requirements and walk out of the DMV with your new non-CDL

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Is Mudflap App Legit? (Mudflap Fuel App Reviews and Guide)

We just read their website. WOW! What can you say? It seems to be the ideal discount app that everyone would want in their wallets. Their website is impressive as well but one wonders where they make their

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Ferry To Alaska With RV: How Much Does It Cost? (Guide)

It is not an easy drive. Traveling to Alaska by the road, yes, there is only two of them, is not something everyone will enjoy. Gas stations are few and far in between, and the pavement ends in the middle

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Detroit 60 Series Oil Capacity, Oil Type, and Change Inverval

When you are looking at buying a Detroit 60 series engine, you will find that there are three types to choose from. The 11.1, the 12.7, and the 14 L are the models that are available but they do not always

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Best Transmission Fluid For 4R100 (Type, Capacity, Guide)

One of the problems you may have is when you want to change the transmission fluid in this model of transmission. The dealers may not know which type you should use. Avoid Mercon LV at all costs according

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How Do I Reduce My Pin Weight? (Can I Adjust The Pin Box?)

When you are going to tow a 5th wheel or any trailer, the biggest challenge is getting the weight distribution correct. There are so many capacities to watch out for that you can get a bit frustrated.

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Troubleshooting: Why Is My Norcold Fridge Not Getting Cold?

No matter the brand, there are common problems shared by all RV fridges. What caused the problem in one brand of a fridge can also be the cause keeping your Norcold fridge from cooling. Just look for the

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Is Outdoors RV a Good Brand? Outdoors RV Problems & Reviews

Looking for something better. That is the reason many small RV manufacturers get started in the first place. The owners are not happy with the quality of the current RV builds, so they try to improve on

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What Hotels Allow RV Parking Overnight? (RV Friendly Hotels)

While some RVers advocate that you sneak in and sneak out of a hotel parking lot, you would be committing a crime if you do. You will need clear permission from the hotel manager or owner before you can

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Are Chins Batteries Any Good? (Chins 300ah Battery Reviews)

There are many RV owners that have found Chins Batteries to be very good. Of course, they are taking the word of Will Prowse for the level of quality of this battery (watch the video at the end of

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Suing RV Manufacturer: Smith vs Nexus RV Lawsuit (Guide)

One of the biggest mistakes consumers make is taking the manufacturer’s word for their product. In the case of RVs and trailers, this is a big mistake because the lack of quality in their construction

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Is Rexhall Motorhomes Still In Business? (What Happened)

It is a dog-eat-dog world. You may run across many RV companies that seem to appear for only a short time in the RV industry and then disappear over the horizon. It is a very competitive industry when

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Allison MD3060 Transmission: Specs, Manual, Oil, Codes, Cost

One of the things you will find out is that the longer you own a vehicle, the harder it is to get parts. That is because manufacturers stop making parts after so many years. When they do that, parts are

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Girard Awning Adjustment and Troubleshooting (Repair Guide)

There are small adjustments you can make that will open or close the awning a little bit. For those adjustments, you will need an Allen wrench. The screws are marked with as + and a - so you know which

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Driveshaft Disconnect For Towing: Cost, Problems, Reviews

Most people may think that to tow their vehicle behind their RV all they have to do is put their car in neutral and release the brake. That is a natural and simple way of doing things. However, the driveshaft

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What Is SPN 5246 FMI 15 Code? (Cascadia, Volvo, Cat)

It seems that whoever made up this code system, decided to put a code for the codes. What that means is if you are driving under another code too far, this code will appear and tell you that you are in

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Is DIRECTV HR24 Discontinued? (DIRECTV HR24-500 Receiver)

For what it is worth, businesses make decisions that always affect their bottom line. While they may say they are your friends, business, like Direct TV, are only concerned about profit. That is why you

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Allison Transmission Fault Code SPN 2003 FMI 31

It seems that all Allison fault codes begin with a P. At least they do with the 1000 and 2000 series transmissions. This change makes it hard to find the real problem. One mechanic needed the MID number

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oL-70 Allison: What Does oL-70 Mean on Allison Transmission?

The old engines of the 20th century did not have error codes till later in the century. They were never needed as transmissions and engines were easier to fix and spot the problem. Sometimes one wishes

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Cummins 53 Block Guide: What Years, Recall, Failures, Review

Don’t be surprised if Cummins is not forthcoming about the 53 block it used to build. It was a travesty from the start and who n their right mind would acknowledge this issue? It was not a pretty picture

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RV Shocks Koni vs Bilstein: Best Shocks For Class A Motorhome

You get what you paid for. That has been the go-to mantra whenever someone compares two products. In this case, it may hold true as the more expensive shocks seem to be better than the cheaper ones. But

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How Long Do RV Shocks Last? (When To Replace RV Shocks)

It may not be the road that is causing all the rough and bumpy ride. It could be that your old shocks need to be replaced. You can tell when they need replacing by the continual up-and-down motion after

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Coachmen Wiring Diagrams: Catalina, Clipper, Leprechaun…

With Coachman owned by Forest River, you may have a difficult time tracking down the different wiring diagrams for your coach. That may be because Coachman or Forest River do not want DIY owners to work

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Dometic RV AC Freeze Sensor Location (Test and Install Guide)

When it comes to finding sensors, this can be somewhat of a guessing game. Many people will venture a guess as to a part’s location but really do not know where it is. Once you find it, like the AC freeze

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Atwood RV Water Heater Not Working On Electric (Guide)

That is the nice thing about having electrical components. There is a limited number of places you need to check to find the source of the problem. When all sources prove to work right, then the problem

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Cummins ISC 8.3 Belt Routing (Serpentine Belt Diagram)

One of the facts of engine life is that belts will stretch and need to be replaced. This is an easy task if all you are doing is replacing the belts on a regular engine. It becomes more difficult when

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How To Tell If You Have a 53 Block Cummins (Number Location)

Identifying the block is not going to be a hard task as there were only about 100,000 of them made at the time. Unfortunately, these problem blocks went beyond the Dodge Ram trucks and just about anyone

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Download Onan Marquis 7000 Service Manual and Wiring Diagram

For some products, finding a good manual is a difficult task. They may be too old or their company has gone out of business and other legitimate reasons. But you shouldn’t have to worry about Onan, it

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FMI Codes List: What Does FMI Stand For In Trucking? (Guide)

It used to be that you could sit in the engine compartment of your pickup truck and work on the engine. Today, after all the technological upgrades, you are lucky if you can see half the engine. Technology

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5th Wheel Pin: How Do I Find Out The Trailer King Pin Weight?

Many times RV owners want a nice neat equation so they can figure out their weight capacities without any hassles. Unfortunately, there is no magic formula when it comes to getting accurate weight measurements.

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Warning ATC Light On Dash: What Does ATC Light Mean? (Guide)

It is easy to get confused when certain warning lights come on. It is even more confusing when the repair does not make any sense at all but worksThe letters stand for auto traction control and it is one

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Trailer Brake Replacement Cost: How Often and The Fair Price

When you own an RV or trailer, be prepared to be quoted higher than usual brake and other repair prices. It seems that the people doing the work go very high on their services because they feel you can

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Biodiesel B20 vs Diesel 2: Is B20 Diesel Bad For Your Truck?

It will depend on the engine and who made it. For example, according to Cummins, a good portion of their engines can work with Bio20 fuel. This is from their 2023 FAQ web page. There may be other diesel

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22.5 Wheel Torque Specs: What Is The Torque For a 22.5 wheel?

The torque for most 22.5-inch tires is 400 to 450 ft-lb. Ford is an even 450 and the correct torque will depend on the make, model, and year of your vehicle. Your owner’s manual should have these specifics

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What To Do When High Exhaust Temp Light Comes On (DEF Temp)

The vehicles that have a diesel engine under the hood have lots of devices to be worried about. These devices all come with their own sensors and warning lights. The key is not to get confused or you may

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How Much Horsepower Does a C10 Cat Have? (Full Specs Guide)

Bigger isn’t always better. There are many RV or trailer owners who like the biggest size possible. They feel that having more room and more features is the best way to go. However, when they go big,

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What Does Transmission Fluid Smell Like? (Gas, Fish, Burnt)

When it comes to transmission fluid, you can find it only in two formats. One is the original where oil hydrocarbons are manipulated and the other is synthetic. The latter is made through chemical reactions.

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Transmission Fluid Color Chart: What Color Should It Be?

The color of your transmission fluid will tell you a lot about your transmission but only one color is good.When you look at your transmission fluid, the best color to see is a light red that is translucent

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Are Tyron Bands Worth It? (Cost, Review, Helpful Guide)

Safety precautions do not always come in the shape or design we are expecting but they do provide a very good service when applied correctly. One of the places RVs need extra safety precautions is on their

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How To Turn Up a Cat C7: Horsepower Upgrade (Helpful Guide)

Many RV owners want to squeeze more power out of their CAT engines. They look for just about any trick they can use to boost their power and tow more weight. This behavior may not be as simple as some

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Air Bag Pressure To Weight Conversion (Suspension Load PSI)

One explanation goes that if you know the amount of maximum PSI the airbag holds plus the area that the airbag is holding, then you can figure out how much weight the airbag is handling, But there are

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6.7 Cummins Coolant Temp Sensor Location (Level Sensor Guide)

When it comes time to look for a specific sensor, you need to be aware that there are 9 of them in all and they are all over the engine. Sometimes it takes a treasure map to find their locations.The coolant

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Can You Turbo a Ford V10? (Ford V10 Turbo Kit Options)

Getting more power has been the goal of gearheads since muscle cars were first introduced. The owners of these cars looked high and low for those parts that would give them an extra 5 or 10 or more HP.

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What Sealant Can I Use On a TPO Roof? (TPO Roof Sealant)

An RV is only as strong as its weakest link. That weakest link seems to be the sealant used to cover seams, including vents, AC, and other items on your RV’s roof. Using the right sealant will make sure

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What Is The Cummins Fault Code SPN 3031 FMI 9? (Helpful Guide)

Do not be alarmed if you do not find this code on other lists you have checked. There are too many, along with the different FMI codes to include on every error code list. Kind of makes this a tough system

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What Is Freightliner J1587 Code? (Data Link Troubleshooting)

Fault codes seem to be the brainchild of the Society of Automotive Engineers or SAE. This is the group that has designed the fault code system and it is not done in simple, easy-to-understand English.In

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Does ATF Go Bad? (Transmission Fluid Shelf Life Guide)

You will find that when it comes to automatic transmission fluid, you are going to get a variety of opinions if it is still good or not. Some may or may not last a long time, depending on who made them

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5.3 Vortec vs 3.5 EcoBoost: Reliability and Towing Comparison

Automakers strive to make great motors that will satisfy their customers and outdo the competition. This means that they will use the technology available to produce a great engine, most of the time. Which

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Norcold RV Refrigerator Settings 1-9: How To Adjust Temp

The highest setting may be the best setting. That seems to be the way it works with some refrigerators. The lower settings just do not seem to get cold enough to keep the food fresh and healthy. But when

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How Do I Fix My E4 Code on Dometic AC? (Thermostat E4 Code)

There is a sensor for everything. Once modern technology got involved, electronic devices got far more complicated than they should be. In many cases, there is nothing wrong with the device. It is usually

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Cat 3126 Fuel System Diagram (HEUI Pump Diagram)

When you are finding evidence of leaks, those leaking spots can be difficult to find. All you have is a puddle of fuel and a few drops to go by to start your search. Finding the actual leak will take some

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Galveston vs Port Aransas: Is Galveston or Port Aransas Better?

When RV owners talk on their different discussion forums, they often use abbreviations. Unfortunately, those abbreviations can refer to two different spots in the same state or area. Port A refers to both

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Aisin Transmission vs 68RFE: Differences and Which Is Better

It seems that Dodge had decided to build their transmissions to work with specific motors only. The Aisin transmission works with the high-output 6.7-liter Cummins I6 turbo-diesel. The 68RFE is attached

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Troubleshooting Allison Transmission Shift Selector Problems

It may not always be a simple problem. Usually, you start with all the simple possibilities to fix a problem. This spares you the embarrassment of paying a technician for something you could have fixed

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How To Open Pop-Up Camper Without Crank (Raise Broken Pop-Up)

You are out at your camping spot and you are going through your tools and you suddenly realize, you forgot the crank. Don’t feel bad, many pop-up camper owners have done the same thing. When you realize

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How Long Will an RV Fridge Stay Cold Without Power? (8 Tips)

Trying to keep your food protected while you drive can be quite a challenge. While there are similarities between a traditional home fridge and an RV fridge, staying cool for a long time is not one of

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Why Is My Dometic RV Toilet Water Valve Leaking? (How To Fix)

Not every RV repair is going to be a major job. Sometimes they are going to be minor. What makes them a hassle is they are often in an out-of-the-way spot that is very difficult to access. If you are under

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Does Costco Sell Diesel? (Costco Diesel Locations Map)

Everyone wants to save money. No matter which era we are in, saving money on purchases has always been an important part of life. This attitude also extends to buying diesel fuel which is why many RV owners

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RV Storage With Electricity vs No Electricity (Pros and Cons)

When you do not live in your RV all the time, you run into different challenges than those that do. One of those challenges is storing the RV or trailer for the winter. There is a healthy debate over which

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What Is B5 Diesel Fuel? (Price, Properties, and How To Find)

It is an environmental fuel. One of the advantages of using B5 diesel is that it has a higher oxygen content than regular #2 diesel. This means that there should be lower emissions being let out into

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How To Find The Flattest Route For RVs on Google Maps (Guide)

Many RV owners want to save. They feel that if they can save even 1 mpg, they are ahead of the game. Because they have that attitude, they look for the flattest routes possible. They will use Google maps

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3.31 vs 3.55 Axle Ratio: Difference Between 3.31 And 3.55

It’s a matter of numbers and purpose. When your truck is empty and you are not towing, there is little difference between these two axle ratios. But when you are towing, you will see a slight difference

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RV Slide-Out Floor Thickness (How To Replace Slide Out Floor)

The thickness varies, that is one thing about slide-out flooring material. It is hard to tell how thick it is without removing some of the flooring material. The real problem, when you are doing work on

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Class A Motorhome Tire Pressure Chart (Recommended Guide)

The first rule in this process is to never exceed the maximum tire pressure listed on the sidewall of your tires. It does not matter what vehicle or trailer you have, this is a rule that cannot be broken.

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DEXRON IIE vs DEXRON III: Finding a DEXRON IIE Replacement

It is supposed to be compatible, that is the most recent word on this topic. Transmission fluids have changed over the years and now the Dexron number may be up to VI. But VI is supposed to harm the seals

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How Do You Check RV Tire Pressure? (When To Check and Tips)

It is the Goldilocks syndrome. When it comes to tire pressure, whether for a car, truck, or RV, you need to have the pressure just right. It cannot be under inflated nor can it be over inflated. Both of

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Why Is My Generator Sputtering? (Tips To Run Smoother)

When you are boondocking, the last thing you will need in this situation is to have your generator sputter. It is not a good feeling as your electrical systems depend on that power supply. Having the lights

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8.1 Vortec Oil Capacity: How Much Oil Does a 8.1 Vortec Take?

When it comes to RV and tow vehicle engines, it is nice to have the information where you can reach it quickly. Especially when you are trying to know how much oil you need to buy for an oil change. Having

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What Is Cummins Fault Code SPN 3058 FMI 16 (FMI 10, 0, 9)

When you see a fault code, there could be a variety of sources that trigger a specific one. Figuring out what is wrong takes a little work and requires you to have a fault code guide handy to look up the

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8.1 Vortec Transmission Options (Allison Transmission Specs)

While a lot of attention is given to the motor under the hood, it is important to pay attention to the type of transmission handling the gears. With a bad transmission, your engine will not perform up

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Troubleshooting Dometic 3 Button Thermostat Problems (Guide)

When resetting doesn’t work. Resetting the 3-button thermostat is one way to cure many minor ills. But sometimes the problems go deeper than that and resetting just won’t work. That is the time you

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Finding a Norcold N611 Replacement Fridge (Replacement Chart)

It may be harder than you thought. Looking for an N611 fridge replacement is a treasure hunt. The reason is that very few people actually have one in stock and if you go for a replacement, even fewer people

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What Gauge Wire For 50 Amp RV Service? (6/3 Wire For 50 Amp)

Home electrical projects can be interesting and fun. But they can also have you using the wrong type of wire for your connections. This is not a great idea as you have to worry about the length of the

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Accuride vs Alcoa: The Difference Between Alcoa and Accuride

Wheels are wheels. Well, at least some people think that way. But there is a difference between the wheels your tire rests on. Although some of those differences are not that great. The key is to make

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Chevy 6.0 vs 6.6 Gas Mpg: What Is The Mpg On a Chevy 6.6 Gas?

The 6.0 is a top Chevy engine that has seen an over 20-year production run. If it was bad, it would not have lasted as long as it has. With recent production models about $2000 less than the newer 6.6,

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How To Change a Dometic Thermostat From Celsius to Fahrenheit

Not everyone likes Celsius. While 7/8ths of the world uses the metric system including telling the temperature, not everyone likes that system. It can be confusing especially if you do not know how to

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Is There a Supercharger For-Triton-V10-(Whipple,-Kenne-Bell)

Is There a Supercharger For Triton V10? (Whipple, Kenne Bell)

The jury is still out. There are some people singing the praises of supercharging your RV’s Triton V10 engine. Others are not so enthusiastic as they wonder if it is a good idea to supercharge an engine

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What Is the ACTIVE Network Credit Card Charge? (Refund)

It may be deceptive marketing. The different retail and credit card companies have many tricks they can use to make money off of you. That is if you do not notice or read the fine print when you sign up

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What Does Uneven Lanes Mean? (FDOT Uneven Lanes Sign)

Some road signs may have you scratching your head and wishing you had taken that advanced degree in college. But the uneven lane sign is very clear and leaves little to the imagination.The uneven lane

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Choosing F450 Tires: Best Tires For F450 Dually (19.5 Mud)

Duallys often require larger tires than other pickups due to the amount of weight they can haul and tow. This situation makes the search for tires a little harder and more expensive. Don’t worry, good

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Z85 vs Z71: What Is The Z85 Package On a Chevy Silverado?

The differences seem to be slight. One of these options is made for off-road adventures while the other is made for towing and hauling. Both seem to be good packages if you do one activity over the other.

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Mountain Passes On I-90 in Montana and Idaho (Highest Pass)

Driving the mountains is not always a fun activity, especially when you are towing a trailer. The steep grades can really affect your gas mileage and put a lot of wear and tear on your brakes, engine,

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Troubleshooting Predator 2000 Generator Problems (Won’t Start)

It is a discount generator. By that, we mean that you can get these top Predator generators for about half the price of a Honda or other top generator-making brand. That is a good deal especially since

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How To Fill a 100 Lb Propane Tank (Where to Fill and Weight)

Filling propane tanks is not easy. When you go to a propane dealer that does refills, it is not always easy to know when the propane tank is full. Most dealers use the overflow valve as the indicator to

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Finding a Generator Mount For Travel Trailer (5 Ideas)

When it comes to adding a generator to your camping time, you may not have the basement storage large enough to accommodate it. Generator mounts provide that extra storage in spaces left unused by most

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How To Restore RV Vinyl Decals (EZ Shine RV Decal Restorer)

One of the reasons RV makers use vinyl decals is because they can save money. Vinyl decals are said to be cheaper than paint and if you see white on an RV, that is not painted on either. Anything to save

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