Popular New Guides Product Guides Tools Checklists My Rig

Results for "axle"

783+ Q&A Updated Weekly Free
Michelin RV Tire Problems: Complete Guide & Solutions 2024
Engine Medium varies 240 👍 1

Michelin RV Tire Problems: Complete Guide & Solutions 2024

Standing in my driveway planning to tackle these serious handling issues with my new Michelin Agilis HD Z 245/70R19.5 tires on my 2018 Winnebago Vista LX 27N this Saturday — what should I check first? The RV now has 25k miles, and since switching from Goodyear tires, I'm experiencing terrible tail wag - especially when towing my 2024 Toyota Tacoma and in windy conditions.

I've tried multiple tire pressures (82 psi from door sticker, 110 psi from installer, up to 100 psi) but nothing resolves the side-to-side movement. I have several stability modifications installed (Rear Trac Bar, Aux Roadmaster Rear Swaybar, Front Roadmaster Swaybar, Koni FSD shocks), which previously helped with handling.

The movement feels like the towed truck is actually pushing the RV's rear side-to-side, making driving extremely uncomfortable. I'm within Michelin's 60-day/2500-mile buy-back period and want to understand why these tires are performing so differently from my previous set.

Could experienced RV owners help me diagnose what might be causing these handling problems? …more
RV Liquid Spring Adjustment Guide: Setup & Tuning Tips
General Medium 30-60 minutes 208 👍

RV Liquid Spring Adjustment Guide: Setup & Tuning Tips

Three different adjustment knobs on my 2022 Tiffin Open Road 34PA's LiquidSpring suspension and I'm staring at them with zero clue about the limits.

I've got LiquidSpring suspension on all four corners, but I'm specifically wondering about the rear struts. Can I raise and lower just the rear ones independently, or am I stuck adjusting everything at once like some kind of suspension caveman? I'd love to dial in the perfect ride height and handling, but I need to know if I can fine-tune the back end separately from the front. Between the control panel and what I assume is some fancy smartphone app, surely there's a way to make this old road warrior ride like a dream without turning into a mechanical engineer, right? …more
Monaco Diplomat Rear Air Suspension Won't Dump Fully - Troubleshooting Guide
Plumbing Medium 1-2 hours 169 👍

Monaco Diplomat Rear Air Suspension Won't Dump Fully - Troubleshooting Guide

Last week my 2006 Monaco Diplomat's rear air bags started refusing to dump all the way down when I hit the air dump before leveling. The front dumps fine, but the back stays partially inflated.

I'm still pretty new to RV maintenance and not sure where to start troubleshooting this. Should I be hearing air escaping when I activate the dump? What are the most common causes when rear air bags won't dump completely? Any guidance on what to check would be really appreciated! …more
RV Flat Tire on Highway: Emergency Steps & Specialized Roadside Service Tips
Chassis Medium Varies 148 👍 1

RV Flat Tire on Highway: Emergency Steps & Specialized Roadside Service Tips

Every highway mile seems to be eating through my Tiffin Allegro motorhome tires way faster than it should, especially after that brutal double blowout on the back axle. When this happened to us, we found that regular AAA and typical roadside assistance don't always help with RVs. We were stranded and eventually had to use a service called Driving Solutions, who charged us $1600 for used tires after eight hours of waiting.

What's the proper procedure if this happens? Should I try to move to a safer location first, or stop immediately? Who should I call for help - are there specialized services that handle RV tires? I want to be prepared with the right contacts and know the safe steps to take, because I imagine regular tow trucks and tire services might not have the equipment or expertise to handle a large motorhome tire emergency on the interstate. …more
RV Tire Replacement: When to Replace by Age - Complete 7 Year Rule Guide
Engine Easy Planning decision 136 👍

RV Tire Replacement: When to Replace by Age - Complete 7 Year Rule Guide

Pulled into three different tire shops asking about RV tire replacement and got three completely different answers about when tires actually need replacing. The unit has six tires with 2018 DOT date codes, making them 7 years old as of 2025. Mileage is approximately 28,000 miles, and visual inspection shows good tread depth with no apparent cracking, bulging, or other visible deterioration.

A tire technician who performed my state inspection indicated the tires appear serviceable from an external assessment standpoint. However, I understand there may be internal degradation factors not visible during standard inspection procedures.

What is the technical consensus on replacement timing for RV tires when age limits are reached but visible condition remains acceptable? Specifically looking for guidance on the 6-7 year replacement interval and whether internal rubber compound deterioration poses legitimate safety risks regardless of external appearance. …more
Ford E-350 vs E-450 Chassis: RV Fuel Economy, Power & Weight Capacity
Engine Easy N/A 133 👍

Ford E-350 vs E-450 Chassis: RV Fuel Economy, Power & Weight Capacity

Last weekend I felt this awful engine strain and heard sluggish acceleration sounds while test-driving a 2017 Phoenix Cruiser #2351 with its E-350 chassis and V10 engine. I'll be doing extensive western touring through mountain and plains regions, which means substantial mountain grades and wind challenges. I'm comfortable driving slowly and want to understand two key things: 1) Will this E-350 chassis handle mountain grades without major issues, and 2) What's the real-world fuel consumption like? I plan to do an initial inspection this weekend, followed by a third-party mechanical review. I'm not overly concerned about fuel economy but want to understand the actual performance limitations. I'd appreciate insights from owners who have experience with similar touring conditions on an E-350 chassis. …more

Still stuck on this repair?

Get a personalized answer from a verified RV mechanic. Describe your issue and get step-by-step help.

Chat with an RV Mechanic
27708 RV owners helped · Avg response under 5 min
RV Tire Age Limits: Why Replace Michelin Tires After 7 Years Despite Good Tread
Engine Easy 15 minutes to inspect 131 👍

RV Tire Age Limits: Why Replace Michelin Tires After 7 Years Despite Good Tread

Called three different tire shops this month about my 2020 Newmar Ventana's Michelin 275/70R22.5 tires and all want them replaced just for being 6 years old despite perfect tread. I'm meticulous about tire maintenance - I check air pressure religiously before and after every trip, whether it's a short weekend getaway or an extended cross-country journey like the 5000-mile trip I just completed.

Despite my careful maintenance routine, I experienced a blowout on the right rear inside tire during the final leg of that recent long trip. When the roadside service technician came out to help, he recommended replacing all six tires specifically because of their age, even though the remaining tires still have plenty of tread depth and appear to be in excellent condition visually.

This has me confused because I've heard conflicting advice from other RV owners - some say well-maintained motorhome tires can safely last up to 10 years, while others insist on much shorter replacement intervals. I'm trying to understand what the actual safety guidelines are for RV tire replacement based on age versus tread wear. Should I really replace tires that still look good just because of when they were manufactured? What's the real story on how tire age affects safety, and how do I properly check the manufacturing date to make this decision? …more
Ford F53 Motorhome Ride Quality: Improve Your Harsh Ride with Shocks &
Chassis Medium 4-6 hours 116 👍

Ford F53 Motorhome Ride Quality: Improve Your Harsh Ride with Shocks &

I walked into my first Class A motorhome ownership with zero experience and my 2022 Jayco Precept Prestige 36H on an F53 chassis rides like I'm driving over constant speed bumps. This 3-year-old coach with 15,000 miles beats us to death on every interstate joint and bridge transition - it's honestly brutal and making long trips miserable. I've already added Sumos on the front and Timbrens on the rear, which helped somewhat with roll/sway, but I'm still getting hammered by road imperfections while blueoxing my Honda CRV.

I keep hearing conflicting advice about gas shocks versus other options, proper tire pressures, and suspension upgrades. What actually works to smooth out these bone-jarring impacts? I need real solutions that will make a noticeable difference in ride comfort, not just minor tweaks. Has anyone successfully tamed an F53's harsh ride? …more
Prevost vs Newell vs Foretravel vs King Aire: Which to Buy?
General Medium Research and decision process: 2-4 weeks 112 👍

Prevost vs Newell vs Foretravel vs King Aire: Which to Buy?

My wife and I are drowning in luxury coach research with our $500k-$1M budget and honestly have zero clue what separates Prevost, Newell, Foretravel, and King Aire for full-time living. Primary evaluation criteria include depreciation mitigation over 2-3 year ownership cycle and maintenance reliability metrics.

Specific units under consideration: 2017 Prevost Emerald at $850k with 60k miles, and 2016 Foretravel Realm K3 with low miles at approximately $400k. Also exploring 2021 King Aire and Newell models.

Seeking technical assessment comparing driving performance, interior quality, and reliability across Prevost, Foretravel K3/K4, Newell, and King Aire models. Concerned about potential maintenance requirements on older coaches, preferring newer models with resolved initial manufacturing issues.

Require detailed insights into value retention projections, drivetrain performance, and long-term operational dependability for these luxury coach manufacturers and specific model years. …more
SDI E-Clik vs Liquid Spring: Affordable F53 Chassis Suspension Upgrade Options
Engine Hard 4-6 hours installation 108 👍

SDI E-Clik vs Liquid Spring: Affordable F53 Chassis Suspension Upgrade Options

Nobody warned me that what started as minor swaying on highway trips last month would turn into white-knuckle driving every time I take my F53 chassis RV over 50mph. SDI E-Clik costs about a third of what Liquid Spring systems run, but I'm wondering what you actually get for that price difference.

Is E-Clik just electronic shock control, or does it offer more comprehensive suspension improvements? How does the ride quality compare between the two systems on F53 motorhomes? …more
RV Auto Hold Parking Brake: Complete Guide to Operation and Troubleshooting Basics
Propane Easy 15 min read 104 👍

RV Auto Hold Parking Brake: Complete Guide to Operation and Troubleshooting Basics

Woke up this morning and spotted my 1999 Damon Daybreak 3270's auto hold parking brake light blinking on the dash when it was perfectly fine yesterday. I'm still learning everything about motorhome systems and I'm confused about the auto hold parking brake feature.

The system doesn't seem to be working properly (barely holds at all), but honestly I'm not even sure I understand how it's supposed to operate in the first place. Is this something that engages automatically? Do I need to do something specific to activate it?

Could someone explain how these auto hold parking brake systems work on motorhomes, how to use them properly, and maybe some troubleshooting tips? I want to make sure I understand the basics before I start trying to fix anything. …more
Toyo vs Michelin RV Tires: Complete Comparison for Diesel Pusher Motorhomes
Engine Easy N/A - informational 104 👍

Toyo vs Michelin RV Tires: Complete Comparison for Diesel Pusher Motorhomes

Planning to replace the tires on my 2019 Tiffin Phaeton 40IH, and ever since I started getting quotes, everyone keeps suggesting Toyo as a cheaper alternative to Michelin.

I'm honestly a bit overwhelmed by all the tire choices and wondering if I'd be making a mistake switching brands. Will Toyo tires give me the same ride quality as the Michelins? I've heard you can save quite a bit of money, but I don't want to compromise safety or comfort since we're still learning how to handle this big rig.

Would really appreciate some guidance from those who've made this switch - are you happy with the decision or do you regret not sticking with Michelin? …more
Ford E450 Inertia Switch Location Guide - Find Your RV's Fuel Cutoff Reset Point
Engine Medium 2-3 hours 101 👍

Ford E450 Inertia Switch Location Guide - Find Your RV's Fuel Cutoff Reset Point

Every Ford E450 I've worked on had the inertia switch behind the driver's panel — but my 2011 Freedom Elite 32r has it hidden somewhere completely different. The engine is experiencing what appears to be fuel delivery issues after a minor fender bender, and I suspect the inertia switch may have been triggered and needs to be reset.

I've already done extensive searching in the typical locations - removed both driver and passenger side kick panels completely, pulled out the glove box, and even partially disassembled sections of the dashboard. Despite checking all these common spots where Ford usually places these switches, I'm coming up empty-handed.

Could the switch be integrated into another component on this particular year and model? Are there any alternative locations specific to the E450 chassis or Freedom Elite configuration that I should be checking? I'm also wondering if some models of this year might not have a traditional standalone inertia switch at all. …more

Need a second opinion?

Not sure if this applies to your rig? An RV technician can confirm the fix for your specific make and model.

Ask an RV Expert
27708 RV owners helped · Avg response under 5 min
Dutchstar Chassis Cracking Noise: Diagnosis & Repair Guide
Chassis Medium 45 minutes 99 👍

Dutchstar Chassis Cracking Noise: Diagnosis & Repair Guide

Hearing a loud cracking or popping noise from underneath my Dutchstar when going over bumps or turning. Sounds structural — like metal flexing or a weld breaking. Crawled under and couldn't see any obvious cracks but the noise is getting louder each trip. …more
2001 Fleetwood Flair Parts: Complete Guide to Finding OEM & Replacement Parts
General Easy 30 min research 99 👍

2001 Fleetwood Flair Parts: Complete Guide to Finding OEM & Replacement Parts

Pulled into my driveway after my local RV dealer closed down last year, and now finding OEM parts for my 2001 Fleetwood Flair 33R has become a complete nightmare. Ford has discontinued so many of the OEM components I need, and the usual RV parts suppliers keep coming up empty. I've been searching for months now and I'm starting to worry I'll never get this thing roadworthy again.

I know there have to be salvage yards out there with Fleetwood parts, but I don't know where to look or how to search effectively. Are there online platforms specifically for RV salvage? How do you even cross-reference parts when the original numbers are discontinued? I'm willing to try anything at this point - used parts, aftermarket alternatives, whatever works. Someone please tell me there's a systematic way to track down these elusive components! …more
Robert, RV Mechanic
Ask an RV Mechanic Avg reply < 5 min

My Rig Settings

Hi, I'm Hank!
Need help setting up? I can walk you through it
Rig Info
Give it a name you'll recognize
Power & Electrical
Climate Control
Water System
Refrigerator Type
Leveling System
Convenience & Features
Sync across devices