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Expert Answers about Thor ACE Motorhome


  • Roadmaster Reflex Steering Stabilizer for 2021 Thor ACE Motorhome on F-53 Chassis
  • Hi, for the 2021 Thor ACE Motorhome built on the Ford F-53 chassis with a V8 engine, the proper Roadmaster Reflex Steering Stabilizer with Mounting Brackets is, # RM62VR. This stabilizer attaches to your vehicle's tie rod on one end and to the frame on the other. A heavy-duty steel spring runs the length of the rod, constantly working to keep steering controlled.
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  • Folding 4-Bike Rack for Flat Towed Vehicle Recommendation
  • I attached a link to a page that has all of the flat towed-vehicle approved 4 bikes we carry that also fit a 2 inch hitch like you are needing. The Yakima Ridgeback part # Y02458 would be a really great option for a bike rack that covers everything you need. It also can fold down for rear cargo area access as well.
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  • What Water Pump Will Replace The Artis PDS 1RV25 Pump In My RV
  • Thanks for the question, I have some information for you below: **Flow Max RV Fresh Water Pump - 12 Volt - 3.0 Gallons Per Minute - 50 PSI # LC689052. Yes, the flow max pump is an exact replacement for your system. I advise you do not upgrade your pump without upgrading other components of your plumbing. The only way to increase flow rate in the same size piping is increase pressure. Your system is designed to run at a certain psi and if you add a larger pump you run the risk of creating...
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  • Recommended Brake Controller Wiring Harness for 2018 THOR ACE
  • For your 2018 THOR ACE you will simply need the wiring harness # 3035-P. This harness will connect under the dash to your factory wiring near the OBD II and will directly plug into your Reese Brakeman IV Controller. I've attached a video to assist. It appears the brake controller wiring may not be fully run to the rear of your motorhome, so if you don't already have the 7-way you will need to complete your wiring using the # ETBC7 kit.
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  • Suspension Upgrade Recommendations For 2021 Thor A.C.E. 33.1 Motorhome
  • Great choices as these products will certainly make the ride of your 2021 Thor A.C.E. 33.1 motorhome much smoother! The Roadmaster # RM-1139-145 is the correct rear anti-sway bar, and the steering stabilizer fit is the Roadmaster Exact Center Steering Stabilizer # RM63RR. The SumoSprings you're looking for are # SSF-171-40-2 for the front and the # SSR-184-40-1 for the rear. These are all confirmed fits for your F-53 Chassis with a GVWR of 20,500 lbs.
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  • Recommended Brake Controller for a 2018 Thor Ace Motorhome
  • For your 2018 Thor Ace Motorhome, I recommend using the Curt Spectrum Trailer Brake Controller part # C51170. The reason for this is because this unit is composed of two main parts, the control box and the output knob. The control box gets mounted out of site and then the output knob will get installed up on your dash for easy use and a very aesthetically pleasing look. The color output of the knob also helps with ease of use. Since your motorhome is on a Ford F-53 chassis, you can use...
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  • Recommended Rear Anti-Sway Bar for 2016 Thor ACE 29.3 on F53 Chassis
  • For your 2016 Thor Ace motorhome on F53 chassis, the Roadmaster Rear Anti-Sway Bar for Motorhomes # RM-1139-146 is the correct fit for an 18,000 lb GVWR. Adding the rear anti-sway is the most effective option to help control body roll and sway. If in the future you want to add even more stability, I recommend the front Anti-Sway # RM-1139-148 and the Steering Stabilizer # RM-RBK22-RSSA. These will help with further support and stability to increase the ride and driving comfort.
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  • Steering Stabilizer Recommendation for 2017 Thor ACE 30.2
  • For your 2017 Thor ACE 30.2 built on a F-53 chassis with an 18k GVWR the Roadmaster Exact Center Steering Stabilizer part # RM36RR is the correct fit and what you'd want. This will give you improved handling and stability of the Safe-T-Plus which was designed more as a way to prevent losing control during a tire blow out.
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  • Best Steering Stabilizer and Sway Bars for 2017 Thor ACE Motorhome
  • The Roadmaster sway bars and steering stabilizers are the best around for motorhomes like your 2017 Thor ACE. You'll get the best ride quality, handling and stability. So since your Thor ACE has an 18k GVWR you'd want the rear bar # RM-1139-146, the front bar # RM-1139-148, and the steering stabilizer # RM-RBK22-RSSA.
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  • Could Go Power Overlander Solar Charge Kit 34282181 Maintenance Charge on RV
  • The Go Power Overlander Solar Charging System with Digital Solar Controller # 34282181 puts out 200 watts which would be 15 amp for your RV battery setup and would easily put a solid maintenance charge on your setup. This comes with everything needed to install as well.
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  • Generator Cover for Champion Inverter Generator
  • The correct cover for the Champion Inverter Generators w/ Parallel Kit, # CH99FR is the Storage Cover for Champion Inverter Generator, # CH97FR (qty 1 ea.). This cover is 30-11/16" long x 23-5/8" tall x 23-5/8" wide. Each of the generators have a dimension of 23-3/16" long x 17-11/16" wide x 20-1/8" tall. Use the draw string to pull the cover under the edges of the generator that the weight from the generator itself will help to hold the cover in place from the wind.
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  • Troubleshooting Left Side of Lippert Ground Control Leveling System that Doesn't Work
  • Sounds like you have a Lippert Ground Control setup installed on your motorhome. Typically with issues like this Lippert recommends unplugging the control panel which should look like # LC175225 for a few seconds to let it reset and then plug it back in. That should take care of what sounds like just an internal bug.
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  • Recommendations to Improve Handling and Stability of 2015 Thor ACE 30.1
  • You are the right track to improve the handling of your 2015 Thor ACE 30.1 motorhome that is built on a Ford F-53 chassis. The biggest improvement you'll make is with a rear sway bar which for that you'd want the part # RM-1139-146. For motorhomes on the F-53 chassis there is no bigger improvement that you can make then an upgraded rear bar to improve stability and driveability. A front sway bar like the # RM-1139-148 will make the next biggest improvement. Normally with just the two sway...
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  • SumoSprings Suspension Kit for Thor ACE Motorhome that has 18,000 lb GVWR
  • Which model of Thor Ace do you have? There were a few others that have different GVWRs.
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  • Does Roadmaster Front Sway Bar RM-1139-148 Fit 2013 Thor Ace 16k GVWR
  • Yes, the Roadmaster front sway bar part # RM-1139-148 does fit your 2013 Thor Ace with a 16k GVWR.
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  • SumoSprings Kit Recommendation for 2019 Thor ACE 30.2
  • For your 2019 Thor ACE 30.2 I recommend the SumoSprings part # SSR-187-40-1 over other options as it will give you the better suspension support and improved handling you are looking for without creating harshness in the ride quality like the Timbren kit would. The matching front kit is the # SSF-170-40-2. I attached install videos for both of these kits for you to check out as well.
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  • Anti-Spray Mud Flap Option For Motorhome
  • We do have a possible option for anti-spray mud flaps for your motorhome, which are a universal fit. While they don't look like a brush, these mud flaps do have a line of small nubs on the backside which will propel the backsplash downwards. Each of the mud flaps are 24 inches wide, and are available in a few different lengths so you can get the correct size for your Thor motorhome: - 24" Wide x 24" Tall: Anti-Spray Truck Mud Flaps # 337B24SRP - 24" Wide x 30" Tall: Anti-Spray Truck...
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  • Best Ways to Reduce Sway from Semi Trucks Passing with 2015 Thor Ace 29.2
  • The biggest improvement you are going to make to the sway you are experiencing when passing semi trucks and overall handling is going to be with a rear sway bar. So Cathy for your 2015 Thor Ace 29.2 the correct kit is the part # RM-1139-146. Next biggest improvement you'll make is with a front bar part # RM-1139-148. For motorhomes these modifications make the best improvements over everything else. You said you installed stabilizers on the front and rear of the motorhome which I'm fairly...
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  • Sway Bar Recommendations for 2015 Thor ACE 29.2 to Reduce Sway
  • The best improvement you can make to your 2015 Thor ACE Class A motorhome built on a Ford F-53 chassis will be a rear sway bar. For that you'd want the part # RM-1139-146. The next biggest improvement you'll see is with a front sway bar. For that you'd want the part # RM-1139-148. I attached install videos for both bars for you to check out as well. With either just the rear bar or with the front and rear bar you'll see a drastic improvement!
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  • Which Front and Rear Sway Bars are Right For 2012 Thor ACE 29.1 Motorhome on Ford F-53 Chassis
  • For your 2012 Thor ACE 29.1 motorhome on the Ford F-53 chassis you'll want the following options: Front Sway Bar # RM-1139-148 Rear Sway Bar # RM-1139-146 These will be a huge improvement to your motorhome, and 100% change the driving and handling of your vehicle for the better.
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