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Ford E450 V10 Reliability: Expected Mileage and Longevity Guide for RV Owners
Engine Easy 1-2 hours inspection 255 👍

Ford E450 V10 Reliability: Expected Mileage and Longevity Guide for RV Owners

Nobody prepared me for staring at this 2018 Jayco Greyhawk 29MVP with Ford E450 chassis showing 54,000 miles and wondering if I'm looking at a money pit. The unit appears well-maintained with quality features including auto-leveling, fiberglass roof and nose, plus J-ride suspension. However, the odometer shows 54,000 miles, which exceeds my initial target range.

I need to assess whether this mileage represents significant wear on the E450/V10 drivetrain combination. What is the typical service life expectation for these engines when properly maintained? At what point should mileage become a primary concern versus overall mechanical condition? …more
Ford V10 Triton Engine Maintenance Guide: EGR Delete vs Regular Service Tips
Engine Easy N/A 211 👍

Ford V10 Triton Engine Maintenance Guide: EGR Delete vs Regular Service Tips

Spent years doing regular EGR maintenance on my old gas motorhome without issues — but this 2007 Fleetwood 31' Tioga with Ford V10 Triton has me second-guessing everything. I keep reading conflicting information about EGR delete procedures on V10 engines, and I'm worried I might make things worse if I mess with it.

Is the EGR delete modification actually necessary on this 2007 3-valve V10, or am I overthinking this? I don't want to void any warranties or create problems that weren't there before. Would I be better off just sticking to regular maintenance instead of modifications? I'm looking for reassurance that I'm taking the right approach to keep this engine running reliably for years to come. …more
Ford V-10 Misfire Codes P0305 & P0307: Complete RV Engine Repair Guide for Motorhomes
Engine Medium 2 hours 132 👍

Ford V-10 Misfire Codes P0305 & P0307: Complete RV Engine Repair Guide for Motorhomes

Turned my compression tester on cylinders 5 and 7 and got 150 PSI readings, but I'm still pulling P0305 and P0307 misfire codes on my 2001 Ford E350 V-10. The engine runs smoothly overall, but the diagnostic codes are persistent.

I have replacement spark plugs and ignition coils available but want to ensure I'm following the proper troubleshooting sequence before investing time and effort. What is the recommended diagnostic approach for simultaneous misfires on cylinders 5 and 7?

Given that multiple cylinders are affected, should I prioritize certain components over others, or is there a systematic order that typically yields the most efficient resolution for this engine configuration? …more
Ford E-450 RV Shock Absorber Upgrade Guide: Bilstein 4600 vs Koni FSD
Engine Medium 2-3 hours 129 👍

Ford E-450 RV Shock Absorber Upgrade Guide: Bilstein 4600 vs Koni FSD

Before spending hundreds on new tires and suspension parts for my 2023 Ford E-450 Class C motorhome, the ride quality is still absolutely brutal. The RV is about 28 feet long and weighs approximately 14,500 pounds loaded. We use it primarily for family camping trips, but I also occasionally tow a small utility trailer with dirt bikes - probably 25% of our trips involve towing that extra 2,000-3,000 pounds.

I've been researching shock absorber upgrades and have narrowed it down to two main options that seem popular in the RV community: the Bilstein 4600 series and the Koni FSD (Frequency Selective Damping) shocks. I understand both are significant improvements over stock, but I'm trying to understand the practical differences between them for my specific setup and usage patterns.

What I really need to know is which option provides the best balance of ride comfort improvement, handling stability (especially when towing), and overall value for money on the E-450 chassis. I want to make sure I'm making the right choice since this is a fairly significant investment and I don't want to have buyer's remorse later. …more
Ford E350 Dually Wheel Center Hole Size Guide: Front vs Rear Differences Explained
Chassis Easy 30 minutes 123 👍

Ford E350 Dually Wheel Center Hole Size Guide: Front vs Rear Differences Explained

According to my mechanic, my Ford E350 dually has mismatched wheel fitments, center holes that don't align properly, AND different sizing between front and rear wheels all at once. I have a 2001 Ford E350 Class C motorhome with dual rear wheels, and I desperately need to get a spare tire sorted out.

I found what I thought was the perfect rim - same bolt pattern as my existing wheels - but when I got home and really looked at it, the center hole is noticeably smaller than the ones currently on my RV. I've been assuming all six rims on a dually setup would be identical, but now I'm second-guessing everything.

Could it be that Ford actually uses different center hole sizes between the front wheels and rear dually wheels on the E350? I'm really hoping someone can clarify this because I need to know if I bought the wrong type of rim or if there's something else I'm missing here. …more
Best OBD2 Scanner for Ford E450 V10 Motorhome: Top 3 Diagnostic Tools
Engine Easy 5 minutes setup 121 👍

Best OBD2 Scanner for Ford E450 V10 Motorhome: Top 3 Diagnostic Tools

Three different OBD2 scanners are showing 6 active codes on my 2015 Ford E450 V10 motorhome but every manual says this engine should only throw 2-3 max. I've been dealing with intermittent check engine lights and some transmission quirks, but my basic code reader just gives me generic codes that don't tell me much.

I keep hearing about tools like BlueDriver and some Ford-specific software, but I'm not sure what actually works well with these motorhome chassis. I need something that can give me real Ford-specific diagnostics, not just the basic OBD2 stuff. Has anyone found a scanner or diagnostic tool that actually works properly with the E450 V10 setup? I'm willing to learn something new if it means getting better diagnostic capability. …more

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Best Floor Jacks and Jack Stands for Ford E-350 Class C Motorhome: Safety Guide
Engine Easy Informational 117 👍

Best Floor Jacks and Jack Stands for Ford E-350 Class C Motorhome: Safety Guide

Despite having the proper jack and stands, is it still dangerous to work under my 2001 Ford E-350 Class C motorhome with grandkids constantly playing nearby? What are the correct tonnage specifications for floor jacks and jack stands when working on this chassis weight? Additionally, what are the designated lift points on the E-350 frame, and what safety protocols should be followed to ensure stable vehicle support during maintenance operations? …more
Ford E450 V10 Squealing Noise at Highway Speed: Complete Diagnosis Guide
Engine Medium 1-2 hours 112 👍

Ford E450 V10 Squealing Noise at Highway Speed: Complete Diagnosis Guide

After replacing the belt tensioner, cleaning the pulleys, and checking all the belts — my 2019 27' NeXus Viper on Ford E450 V10 chassis still squeals from the front driver side at highway speeds. The noise occurs at highway speeds after approximately 5 miles of driving and disappears when slowing down. I've already replaced the serpentine belt and performed an engine-off test in neutral, which confirmed the noise persists independently of engine components.

I want a systematic diagnostic approach to determine whether this is brake caliper drag or wheel bearing failure. What specific tests should I perform to differentiate between these potential causes? I aim to avoid unnecessary repairs and focus my troubleshooting on the most likely culprits based on these symptoms. …more
RV Wireless Air Suspension Problems: Complete Troubleshooting Guide
Engine Medium 1-2 hours 112 👍

RV Wireless Air Suspension Problems: Complete Troubleshooting Guide

Wireless air suspension controller stopped communicating with the compressor module last week. Bags inflate manually at the valve but the wireless remote and dash controls do nothing. System worked perfectly for two years and just quit. …more
1988 Fleetwood Tioga Ford E350 Ignition Relay Location Guide
Electrical Easy 30 minutes 110 👍

1988 Fleetwood Tioga Ford E350 Ignition Relay Location Guide

Last weekend I bought my first RV, a '88 Fleetwood Tioga Arrow (Ford E350 chassis, 460 V8), and I'm completely clueless why it won't start. I've already swapped out the starter solenoid on the fender, but now I'm being told there's also an ignition relay that could be the culprit.

Problem is, I can't for the life of me find this thing! I've been crawling around the engine bay for what feels like hours. Anyone know the typical spots where Ford hid the ignition relay on these E350s? Really don't want to start randomly pulling relays until I find the right one... …more
1990 Tioga E-350 Won't Start: Complete DIY Troubleshooting Guide
Engine Medium 1-2 hours 108 👍

1990 Tioga E-350 Won't Start: Complete DIY Troubleshooting Guide

Turned the key in our "new" 1990 Fleetwood Tioga E-350 and my wife immediately said "that's not starting, honey" — now I'm completely stumped. The engine turns over like it wants to start but just won't fire up. I've already replaced the fuel pump inside the tank, but I'm wondering if another pump might need replacement. I don't want to just start throwing parts at it. What's the best systematic approach to figure out why my Tioga won't start? Are there common failure points I should check first on these older E-350 based motorhomes? …more
2006 Fleetwood Tioga Fuel Shutoff Switch Location: Complete Guide
Engine Easy 15 minutes 107 👍

2006 Fleetwood Tioga Fuel Shutoff Switch Location: Complete Guide

Tried everything to get my 2006 Fleetwood Tioga running after it started cutting out randomly yesterday, but can't even find the fuel shutoff switch. I think it might be related to the inertial fuel shutoff switch, but I honestly have no idea where to even start looking for it.

Could someone please help me understand where this switch is typically located on this model? I've heard it could be in a few different spots but I don't want to go tearing apart panels randomly. Any guidance on the most common locations would be really appreciated! …more
1991 Ford E350 Winnebago Battery Ground Wire Location: Complete Troubleshooting Guide
Electrical Medium 1-2 hours 105 👍

1991 Ford E350 Winnebago Battery Ground Wire Location: Complete Troubleshooting Guide

Wondering if anyone else has dealt with corroded battery cables on their Class A before — replaced them easily last time, but this 1991 Ford E350 Winnebago's ground wire location has me completely stumped. I've traced the ground cable to a tie strap on the fender, but that's obviously just a routing point, not the actual termination.

Where does the battery ground cable actually terminate on these E350 chassis? Need to find the real connection point so I can clean it properly and install the replacement cable with a solid ground connection. …more

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Ford E350 RV 20 Amp Charging Limit: DC-DC Charger Solution for LiFePO4
Solar Batteries Medium 2 hours 103 👍

Ford E350 RV 20 Amp Charging Limit: DC-DC Charger Solution for LiFePO4

Noticed the Ford manual shows standard charging rates for my E350, but after upgrading to LiFePO4 batteries I'm only getting 20 amps max. Expected to see crazy high charging rates when I first tested it, but nope - stuck at exactly 20 amps whether I'm idling or revving to 2500 rpm.

I ended up installing a DC-DC charger anyway (heard too many horror stories about frying alternators), but I'm still curious - is there something from the factory that's limiting me to 20 amps? Like maybe Ford built in some kind of isolator or something to keep the original lead-acid batteries happy? Just seems weird that it's such a consistent number regardless of RPM. …more
2021 Ford E-350 I-Beam Axle Pivot Bushing Wear at 36K Miles
Engine Medium 30 minutes diagnosis 103 👍

2021 Ford E-350 I-Beam Axle Pivot Bushing Wear at 36K Miles

Last week my wife casually mentioned our 2021 Ford E-350 makes creaking noises when turning and now I can't stop hearing those worn I-beam axle pivot bushings failing at just 36K miles. The passenger side tire was wearing really badly on the outside edge, and when I took it in, they found that both I-beam axle pivot bushings were worn out and needed replacement.

What's got me worried is that this happened at only 36,000 miles - that seems really early to me for bushings to fail? The RV is a 2021 model and I did have the rear raised 3/4 inch when I first bought it. Could that modification have caused this problem, or is this just normal wear for these Ford chassis? I'm trying to figure out if I should expect more issues like this or if this was just bad luck. …more
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