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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
RV Heater Lines Reversed: How to Diagnose and Fix Hot Dashboard Air
Plumbing Medium 1-2 hours 143 👍

RV Heater Lines Reversed: How to Diagnose and Fix Hot Dashboard Air

Dashboard vents are blowing hot air even with the heater off and the AC running. Drove three hours in 95-degree heat with hot air hitting my face the whole time. Mechanic says the heater hose lines might be reversed from a previous repair job. …more
Ford F53 V10 Thermostat Replacement: 180°F vs 195°F Temperature Guide
Engine Medium 2-3 hours 113 👍

Ford F53 V10 Thermostat Replacement: 180°F vs 195°F Temperature Guide

Replacing the thermostat on my F53 V10 and can't decide between the factory 195°F and dropping to a 180°F stat. Some Ford forums swear by the cooler thermostat for RV duty but others say it'll throw codes and hurt fuel economy. Which temperature is actually right for a motorhome? …more
Ford F53 460 Engine Timing Marks: How to Locate and Check (Step-by-Step Guide)
Engine Medium 30 minutes 112 👍

Ford F53 460 Engine Timing Marks: How to Locate and Check (Step-by-Step Guide)

About to drop serious cash on a used Class A motorhome with a Ford F53 460 engine — should I check those timing marks myself or am I asking for trouble? Where exactly are the timing marks located? I can see the harmonic balancer but having trouble spotting the marks and pointer. What's the best way to make them visible and actually read them with a timing light? …more
Why Your RV Generac Diesel Generator Shuts Off After 2 Minutes Under Load: Troubleshooting Guide
Engine Medium 2-3 hours 110 👍

Why Your RV Generac Diesel Generator Shuts Off After 2 Minutes Under Load: Troubleshooting Guide

Found that ever since those heavy rains last month hit, my 2007 Alfa's Generac 7.5kw diesel generator shuts down exactly 2 minutes after firing up the basement AC.

Just did a full service (oil, filters, the works) so it's not basic maintenance stuff. I can restart it right after it shuts off, but if the AC is still calling for power, it dies immediately again. No error codes or blinking lights to give me a clue.

Is this a fuel delivery issue where it can't keep up with the AC load? Or am I looking at something else entirely? Really hoping someone's dealt with this exact same 2-minute thing before! …more

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RV Water Pump Failure - Emergency Roadside Repair Guide
Plumbing Easy 30 minutes assessment 108 👍

RV Water Pump Failure - Emergency Roadside Repair Guide

The Trek motorhome's water pump just died at 11 PM in the middle of nowhere — need to figure this out before morning. While returning from Assateague, just north of Smyrna, Delaware, my water pump failed with a cloud of steam, leaving me stranded on the side of the road. Thankfully, Coach-Net, our road service provider, found us a tow to Lube Station and Repair in Smyrna. The Delaware State Police and Smyrna Fire Department were incredibly helpful, checking on us during this stressful situation. We ended up staying the night in the shop's lot and made it home only a day late. Has anyone else experienced something similar and have advice for handling roadside RV emergencies? …more
RV Radiator Hose Quick Disconnect Removal: Step-by-Step Guide
Engine Medium 30-60 minutes 107 👍

RV Radiator Hose Quick Disconnect Removal: Step-by-Step Guide

Radiator hose has one of those quick-disconnect fittings and I cannot get it to release no matter what I try. Squeezed the tabs, twisted, pulled, sprayed penetrating oil — nothing. Hose needs to come off for a coolant flush and I'm about to just cut the thing off. …more
RV Coolant System Maintenance: Spring Clamps vs Worm Gear Clamps Explained
Engine Medium 3-4 hours 105 👍

RV Coolant System Maintenance: Spring Clamps vs Worm Gear Clamps Explained

This morning I'm standing in the RV parts aisle staring at spring clamps and worm gear clamps for my 2013 Tiffin F-53 coolant flush with no clue which ones I actually need. The current spring clamps look good - no rust, seem like new condition. Should I reuse these spring clamps or upgrade to worm gear clamps? Also replacing all the hoses while I'm at it. …more
2001 Triple E Diesel Pusher Buying Guide: Critical Inspection Tips & Red Flags
Engine Easy N/A - informational 102 👍

2001 Triple E Diesel Pusher Buying Guide: Critical Inspection Tips & Red Flags

Standing next to my neighbor's flawless 2001 Triple E Signature diesel pusher makes the concerning issues on this one I'm considering buying even more obvious. Never owned a diesel coach before, only gas units. At 24 years old, what are the critical inspection points I should focus on? Should I be concerned about the age, or is Triple E known for quality construction that holds up over time? …more
1997 Ford Rexhall Overheating: Complete Repair Guide & Troubleshooting Steps
Engine Medium 2-4 hours 99 👍

1997 Ford Rexhall Overheating: Complete Repair Guide & Troubleshooting Steps

Nobody told me my 1997 Ford Rexhall Class A would keep overheating like this, and now I'm terrified of engine damage. I've already flushed the radiator multiple times and added fresh coolant, but the overheating problem persists.

I'm hesitant to start taking things apart without knowing what I'm looking for, and I'm concerned about making the problem worse. What are the most likely culprits I should check next? I've heard it could be the thermostat or water pump, but I want to make sure I'm checking everything systematically before spending money on parts that might not fix the issue. …more
RV Transmission Problems: Troubleshooting Guide & Quick Fixes
Engine Medium Varies 96 👍

RV Transmission Problems: Troubleshooting Guide & Quick Fixes

Planning to fix my Class A motorhome's transmission myself, but my neighbor says it needs fluid, the dealer insists it's the torque converter, and YouTube swears it's the solenoid pack. On my 4R100 transmission specifically, the transmission has been shifting a little rough lately, especially when accelerating from a stop or when climbing hills. Sometimes it seems to hesitate before shifting into the next gear, and I've noticed the engine RPMs climbing higher than usual before it finally engages.

I've owned this RV for about three years now, and I'll admit I haven't been as diligent about transmission maintenance as I probably should have been. The fluid looked a bit dark the last time I checked it, but I'm not entirely sure what I should be looking for or what the proper procedure is for checking transmission health. I've heard horror stories about transmission rebuilds costing thousands of dollars, so I want to make sure I'm approaching this systematically rather than just hoping the problem goes away.

What's the proper first step when you suspect transmission problems? Should I be taking it straight to a shop, or are there some basic diagnostic steps I can handle myself before spending money on professional diagnosis? I want to make sure I'm not missing something simple that could save me a lot of headache and expense down the road. …more
Ford V10 Lower Radiator Hose Replacement: Complete RV Repair Guide
Engine Easy 1 hour 94 👍

Ford V10 Lower Radiator Hose Replacement: Complete RV Repair Guide

Standing next to my Ford V10 E350 staring at this lower radiator hose that's clearly shot and needs replacing before my next trip. The complex multi-segment design of the V10's lower hose system has me a bit concerned about the replacement process, especially since I've heard these can be tricky to install properly.

Specifically, I need to understand the complete procedure from start to finish. What's the proper way to drain the coolant system before starting? Are there any special considerations for hose selection or clamp replacement that I should know about? Most importantly, what's the correct bleeding procedure afterward - I've heard air pockets can be a real problem with the V10 cooling system if not done properly.

I'm planning to tackle this myself in my driveway, so I want to be fully prepared with the right steps and any tips that will help ensure the job goes smoothly without any cooling system issues down the road. …more

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Adding Ball Valve to 2008 Fleetwood Terra Heater Line - Safe?
Ac Refrigeration Medium 1-2 hours 94 👍

Adding Ball Valve to 2008 Fleetwood Terra Heater Line - Safe?

I turned off my RV's cooling system and grabbed my wrench — ready to install a ball valve on my 2008 Fleetwood Terra's heater line but need safety confirmation first. I've been battling what I suspect is a faulty electric heater valve that may not be closing completely when I switch to A/C mode.

The electric valve is expensive to replace and located in an incredibly awkward spot that's driving me crazy to access. I've tried everything - heat detectors, feeling around the lines, you name it - but I still can't definitively tell if it's actually sealing off hot coolant flow when the A/C is running.

Here's my question: Can I safely install a simple manual ball valve in the heater line before the existing electric valve? I'm hoping this would let me manually shut off coolant flow to the heater core when using A/C, essentially doing the job the electric valve should be doing. Will this cause any problems with the cooling system or damage anything? I just need to know if this is a safe solution before I start cutting into lines. …more
Ford V10 RV Engine: Fix Lean Bank Codes P0171/P0174 and Transmission Leak Diagnosis
Engine Medium 2-4 hours diagnostic 93 👍

Ford V10 RV Engine: Fix Lean Bank Codes P0171/P0174 and Transmission Leak Diagnosis

Staring at my neighbor's perfectly purring 2004 E450 motorhome with Ford V10 while mine throws P0171/P0174 lean codes and leaks transmission fluid everywhere. Getting consistent lean condition codes P0171 and P0174 (lean on both banks). Initial assumption was failed O2 sensors, but codes returned after shop claimed repair. Need systematic troubleshooting approach to identify root cause.

Secondary issue: Minor red fluid leak observed during backing maneuvers, appears to originate from transmission/torque converter area. Leak only manifests during reverse operations and extended maneuvering. Fluid loss is minimal - collected only few drops over monitoring period. Transmission operates normally otherwise.

Looking for technical guidance on proper diagnostic sequence for the lean codes and assessment of transmission leak severity. What are the most likely failure points for these symptoms? …more
Robert, RV Mechanic
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