Results for "motorcraft"

Engine Easy N/A 164 👍 0

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

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Engine Easy 1-2 hours inspection 147 👍 0

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

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Plumbing Medium 1-2 hours 101 👍 0

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

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Engine Medium 2-4 hours 94 👍 0

Ford E450 V10 Spark Plug & Coil Replacement Guide - RV Engine Maintenance Tips

After handling coil swaps on my old Chevy like they were nothing, this Ford E450 V10 setup has me completely intimidated and second-guessing everything. I've heard cylinder #3 is particularly difficult to access and I'm scared I might break something or use the wrong tools.

I tried using a 7mm wrench like some sources suggested, but it doesn't seem to fit properly and I'm afraid of stripping the bolt heads. I'm also concerned about how to safely reach the coils without damaging other components.

Can someone please walk me through the safest approach and tell me exactly what size wrench I should be using? I'd rather ask for help than risk making an expensive mistake. …more

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Engine Easy 15 minutes 94 👍 0

Ford 7.3 Godzilla Oil Pressure: Normal PSI Readings & Troubleshooting

My Ford 7.3 Godzilla is throwing weird oil pressure PSI readings and the shop wants $800 to fix it – can I troubleshoot this myself first? I finally installed a Glowshift electronic oil pressure gauge because I kept hearing horror stories about these engines running dangerously low oil pressure.

Here's what I'm seeing: Cold starts jump over 60 PSI, then drop to 28-30 PSI at 1200 RPM. Once fully warmed up, I'm getting 18-20 PSI at 600 RPM idle, and the pressure stays around 28-30 PSI in my typical 2200 RPM cruising range. It doesn't climb above 30 PSI until I hit 3000 RPM, where it jumps to about 40 PSI.

I know Ford has had issues with some of these engines showing scary low numbers like 8 PSI at idle, so I'm grateful mine isn't that bad. But are these readings actually normal for the 7.3 Godzilla under normal operating conditions? I haven't done any loaded driving tests yet, but I'm trying to figure out if I should be concerned or if this is just how these engines run. …more

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Engine Medium 3-4 hours 88 👍 0

Ford F53 Chassis Misfire Problems: Early Spark Plug & Coil Failure Solutions

Walked out to my 2021 Class A motorhome this morning facing the third Ford F53 chassis misfire this year and I'm done throwing parts at it blindly. We've got less than 20,000 miles on the odometer, but recently experienced rough running and got a check engine light. When I took it to a Ford dealer that services Class A rigs, they diagnosed misfires in two cylinders and recommended servicing the entire fuel system. I ended up having them replace all eight spark plugs, plug wires, and ignition coils since we were already dealing with failures.

The coach now runs better than it ever has since new, which makes me think the original components may have been subpar from the factory. What's really bothering me is that we shouldn't need major ignition system work this early in the vehicle's life. I'm curious if other owners of 2021 or newer F53 chassis motorhomes have experienced similar premature failures with their spark plugs, ignition coils, and plug wires? Is this pointing to some kind of quality control issue with Ford's ignition components on these newer chassis, and should I expect better reliability from aftermarket replacements going forward? …more

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Engine Easy 30 minutes 83 👍 0

Ford V10 RV Engine: Is Full Synthetic Oil Better Than Synthetic Blend for Performance?

Planning my next oil change but my viscosity readings are hitting breakdown at 3,000 miles when everything says synthetic blend should last 5,000 in my 2008 Ford V10. The owner's manual specifies Motorcraft 5W-20 synthetic blend oil, which I've been using consistently. However, I've identified that Costco's Kirkland brand offers 5W-20 full synthetic at a lower cost point than my current oil.

From a technical standpoint, would transitioning from synthetic blend to full synthetic oil provide any measurable benefits for RV engine protection? I need to verify that the Kirkland full synthetic meets Ford's engine specifications before making this change. What are the performance differences between these oil formulations for heavy-duty RV applications? …more

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Engine Easy 15-20 minutes to inspect/change 83 👍 0

E450 V10 Air Filter: How Often to Change on Dusty Roads

Every Saturday I'm planning to tackle my Ford E450 V10's air filter after months of dusty backroad camping — what maintenance schedule should I actually follow? The owner's manual suggests changing the air filter every 30,000 miles, but that seems like a really long interval to me.

I do a fair amount of camping on dusty dirt roads - probably covering about 8-16 miles per month on these conditions to reach remote campsites. I'm worried that all that dust might mean I need to change the filter more frequently than what Ford recommends.

Should I be following a different maintenance schedule given these dusty conditions? And is there anything I should be doing between filter changes to keep things running smoothly? I want to make sure I'm taking proper care of this engine but don't want to over-maintain either. …more

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Engine Hard Professional diagnosis required 81 👍 0

Ford E450 Godzilla Engine Water Pump Timing Cover Surface Repair Guide: Diagnosis & Fix

During my 2 AM breakdown, my Ford E450's Godzilla engine started hemorrhaging coolant from the water pump timing cover — need this fixed before our sunrise departure. My E450 Godzilla decided to turn into more of a steam dragon than the beast it's supposed to be. After getting towed to a Ford dealer (because apparently not everyone wants to work on these motorhome monsters), they're telling me the timing cover surface where the water pump mounts looks "normal."

I'm staring at what looks like the surface of Mars - all pitted and grooved where the water pump was sitting. The dealer insists this is just typical wear, but my gut says something that caused a catastrophic overheat probably didn't leave the mating surface in "acceptable" condition. How do I know if this timing cover surface actually needs to be machined or replaced, or if I'm just being paranoid after my expensive towing adventure? …more

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Engine Medium 3-4 hours 74 👍 0

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

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Engine Medium 2-3 hours 73 👍 0

Ford V10 Oil Pan Gasket Replacement Guide: Can You Reuse It?

Somewhere between my wife's third comment about oil stains under our RV and my denial phase, I realized I need to drop the oil pan on my Ford V10 2-valve engine. I remember when I did the 4R100 transmission pan, that rubber gasket was totally reusable - just cleaned it up and slapped it back on.

Is the engine oil pan gasket the same deal? Can I get away with reusing it or am I gonna need to pick up a new one? And if I do need a replacement, any recommendations on brands or installation tips? Don't want to create a mess under there! …more

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Engine Medium 2-3 hours all services 71 👍 0

Complete 4x4 RV Transmission Filter Service Guide - Transfer Case & Differential Maintenance

Since this is the third time this season my 4x4 RV's transmission is acting up, I'm done throwing parts at it without proper filter service knowledge. I've got a 4x4 RV with a 4R100 transmission (2003 V10) that's due for service. I'm wondering if there's anything different about servicing the transmission filter on a 4x4 versus a regular 2WD setup?

Also, since I'm getting under there anyway, should I be thinking about servicing other components while I'm at it? Don't want to miss anything important that could bite me later down the road. Thanks for any guidance! …more

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Engine Medium 45 minutes 70 👍 0

Ford E450 V10 Coil #3 Replacement: Easy Step-by-Step Guide (No Wire Harness Bracket Removal)

Found out my Ford E450 V10 has a misfiring cylinder #3 ignition coil and I'm wondering if it's dangerous with my family riding in the RV? The coil is located toward the back of the engine and access appears limited due to the wire harness routing.

The factory service documentation suggests unbolting the wire harness brackets on the passenger side to gain clearance, but this seems unnecessarily complex and risks damaging connectors. I've seen procedures for the V8 Triton engines where technicians simply disconnect the coil connector and work the coil out past the fuel rail, but the V10 harness configuration appears different with its metal support rails.

Is there a more direct approach to access coil #3 without removing the wire harness brackets, or is the bracket removal genuinely necessary on the V10 engine configuration? …more

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Chassis Medium 2-3 hours 67 👍 0

Ford F53 Motorhome Drag Link Replacement Guide (1999-2008) - Parts & Compatibility Tips

I'm planning my F53 motorhome maintenance when it started making clunking sounds turning yesterday, and crawling underneath revealed my drag link from steering box to left knuckle completely failed. Classic!

I've been hunting for parts and of course the 1999-2008 drag links seem to have vanished into thin air on sites like RockAuto. But lo and behold, I found a 2009 Motorcraft MDOE35 drag link available. My optimistic side is thinking "close enough, right?" but my wallet (and my safety) are wondering if I'm being too hopeful.

Will this 2009 part actually work on my 1999 F53, or am I setting myself up for another one of those "seemed like a good idea at the time" RV moments? Any wisdom on where to actually find the right part for us pre-2009 folks? …more

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Engine Easy N/A - monitoring 66 👍 0

Tiffin V10 Transmission Temperature Guide: Normal Ranges & Overheating Prevention

Turned a mountain corner with my grandkids aboard and noticed my 2012 Tiffin 34 TGA's V10 TorqShift transmission running dangerously hot—should I be worried? After completing a 5,000-mile trip from Wyoming to Florida and hitting 100,000 miles on the odometer, I've noticed some unusual transmission temperature behavior.

With my ScanGauge, I've typically seen my transmission run around 175°F, but on this recent trip, it started fluctuating between 175°F and 190°F in a way it never has before. During idle stops, it would drop as low as 145°F. Despite these temperature variations, the transmission shifted perfectly normally.

I want to make sure I understand what's normal versus what should concern me. Are these temperature fluctuations something to be worried about, or are they within expected operating ranges? The RV performed well otherwise, and all systems seemed normal. …more

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