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Expert Answers about Grand Design


  • Why Is It Not Recommended To Step Up to 8,000LB Leaf Springs Instead of 7,000LB Leaf Springs?
  • We do not recommend moving from 7,000lb # e64SR to 8,000lb # DX74XR leaf springs as this creates a stiffer ride with more bounce. This causes more shock to transfer inside your RV which can cause damage to the trim and electronics. Instead I recommend adding the SumoSprings # SS26MV for overslung axles or # SS33HR for underslung axles. These help to absorb shock from transferring in your trailer as well as give you more support to reduce sag in the leaf springs. Also adding heavier leaf...
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  • Does Progressive Dynamics PD9280A Converter/Charger Have a Serial Number and Warranty
  • If you purchase it from us, the Progressive Dynamics # PD9280A Power Converter/Charger does indeed have a 14 digit serial number that begins with the letter 'A'. The carries the full 2 year manufacturer's warranty. This has been confirmed with my contact at Progressive Dynamics. If you click the provided link, you can see a product description video showing my buddy Jeff explain the features of the converter/charger.
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  • Installation Videos for Furrion LED Marker Light RV Side Cameras
  • Unfortunately, we do not have a video specific to your GD310GK for the LED Marker Light RV Side Cameras w/ Night Vision for Furrion Vision S Systems # FCE48TASL. I went ahead and linked two videos of two different 5th wheels. Hopefully, the information in those video can help you with your GD310GK.
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  • Solid 1/2"-20 Lug Nuts For Trailer Wheel
  • We do have 1/2"-20 lug nuts that are solid and not capped, though no OEM direct replacements. What you can use is the following: - DeeMaxx Trailer Wheel Lug Nut # DE93GR
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  • What is the Warranty of the Aries ActionTrac Motorized Running Boards
  • I spoke to Aries about the warranty of the Aries ActionTrac Motorized Running Boards like part # AA3048324. They are covered under a limited lifetime warranty but there are a few exclusions because there are multiple components. The limited lifetime warranty covers material and workmanship. The lights are covered by a three year warranty and the finish/hardware are covered by a five year warranty.
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  • Shipping Weight and Packaging of Curt Flex Air 5th Wheel Pin Box
  • The Curt Flex Air 5th Wheel Pin Box part # LC369535 has a shipping weight of around 230 lbs. They come inside a box on a pallet.
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  • What Are The Shipping Dimensions And Weight Of The etrailer Tongue Weight Scale e99044?
  • The etrailer Tongue Weight Scale # e99044 ships right at 5-1/2 pounds and the box will measure 8" x 7" x 5". There can be some slight variations depending on how it is packed by our shippers, but this will be the typical size and weight when shipped
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  • RV Backup Camera System That Had the Ability to Record
  • The best option that we have, that will allow you to record the cameras is the Rear View Safety Wireless Backup Camera System # RVS-4CAM. This system has a 7" quad view display and built in DVR that accepts SD cards up to 128 GB for storing the recordings. The Rear View Safety Wireless Backup Camera System # RVS-4CAM comes with 1 camera, but can support up to 4 cameras. Additional cameras can be added using the Rear View Safety 130-Degree Wireless Backup Camera # RVS-DS1. There are not...
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  • Replacement Ladder for 2017 Grand Design Solitude
  • Each of the replacement ladders that we carry are universal fits as we don't carry OEM replacement parts, just aftermarket parts. These ladders will work for your 2017 Grand Design Solitude 310GK but will require installation and they can be cut to fit the exact length you need. Your options are the Stromberg Carlson RV Exterior Ladder w/ Hinges # LA-401 (Silver) or # LA-401BA which measure 99-1/2" tall, or the Surco Universal Exterior RV Ladder # SP502L which is 84-1/2" tall. I have...
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  • Are Three Year Old Tires on New 5th Wheel Safe
  • It's recommended that trailer tires be replaced after 5 or so years of use. If these tires are unused, and have been stored indoors where they haven't been bearing weight or exposed to UV radiation, they're perfectly safe to use until you hit the 5-6 year of usage mark or until the tread wears, whichever comes first. It can take a year or more for an overseas-manufactured tires to reach the US. They're manufactured, then they sit in a warehouse until somebody orders them. They're then...
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  • Is There 2-Bike Version of Yakima LongHaul Hanging Bike Rack For Travel Trailer
  • There is not a 2-bike version of the Yakima LongHaul RV Bike Rack - 4 Bikes # Y02476. You can still use the LongHaul # Y02476 with two bikes if you want, just mount them in the cradles closest to the trailer. There is not actually a hanging 2-bike rack rated for use behind a travel trailer, only platform-style 2-bike racks like the Swagman Nomad # S36FR.
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  • Replacement For 3,200 lb Shelby 5480A Winch
  • To replace your Shelby 5480A 2-speed winch with one that can be used in the manner you specified, it sounds like you need one with a handbrake. Since you also require one with cable and at least 3,200 lbs, the closest option is the Fulton High-Performance 2-Speed Trailer Winch with Handbrake - Cable Only - Zinc - 3,700 lbs # F142430.
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  • Can The LED Strip Light # ILL70CB Be Used On A 5th Wheel Front Cap
  • The LED Strip Light # ILL70CB is intended to be an interior light, and while the light is technically weatherproof, it is not recommended to use in a location that is directly exposed to the elements. A very similar light is the Optronics Thinline LED # UCL59CB. This is designed as an exterior utility light, and would work great on the front cap of your 5th wheel. The light itself is 12-3/8" long, with mounting holes 11-3/4" apart. I am afraid we do not have any exterior light strips with...
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  • Estimated Life Expectancy of Westlake WE76FR 235/80-16 Trailer Tires
  • Due to the long list of variables that can affect the lifespan of a trailer tire, Lionshead who manufactures the Westlake tires couldn't provide a mileage number. They tell me that the average life expectancy of a trailer tire is between 3 and 5 years, which I'd certainly agree with. Trailer tires will typically tend to dry rot and crack before the tread wears down. The best way to maximize the life of your tires is to: • Keep tires inflated to psi listed on tire sidewall • Don't exceed...
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  • Can Anything Be Done About Noise from Curt C17501 TruTrack Weight Distribution System
  • The weight distribution head of the Curt # C17501 system is the only portion that should be lubricated, as shown in the provided diagram. The sway control feature of the hitch depends on the metal-on-metal friction of the spring bars against the brackets that attach the spring bars to the trailer frame. Lubricating that contact point will defeat the sway control provided by that friction. The noise generated by that friction is the nature of the beast for this type of system, and nothing...
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  • Rain Sensor Closes MaxxFan Lid When Detecting Excess Moisture
  • This is great information! Thank you for reaching out to us with this tip. You're correct that the rain sensor closes the MaxxFan's cover when it detects surrounding rain or snow. As noted in our product description for the # MA00-04500K, there's also a button on your MaxxFan's keypad that allows you to deactivate the sensor in situations like this, but tread carefully. These safety lockouts are designed to prevent excess moisture from entering your Grand Design Reflection 320MKS from...
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  • Can Multiple W01-5315 Heated Water Hosed Be Connected Together
  • According to the manufacturer, you can indeed connect multiple hoses together. However, we do offer the hose in a 25 foot length as part # W01-5325 or a 50 foot length as # W01-5350. Rather than daisy chaining multiple hoses together, I'd recommend just going with a longer hose to save the inconvenience of running several extension cords to power each length. If you click the provided link, you can see a video where my buddy Hayden will walk you through how the hose works.
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  • Is There a Installation Video That shows The Line Relocation Brackets For SumoSprings Trailer Helper
  • While we do not have a video showing the installation of the line relocation kit that comes with the SumoSprings Trailer Helper Springs # TSS-107-40, I have linked a video below that shows an example of when one will be needed and explains what the kit does. It is brought up at the 3:50 time in the video linked below.
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  • Can the Replacement Landing Gear Leg for Lippert Ground Control 3.0 Be Purchased W/O the Motor?
  • The Replacement 24-1/2" Right Rear Leg - Lippert Ground Control 3.0 Electric Leveling System # LC344792 actually comes from the manufacturer with the motor already installed so there is not an option to purchase it separately. With that being said you could still use your old motor if you'd like, and keep the one that comes with it as a spare.
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  • Weight of Dexter 7359765-EB EZ-Lube 3500 lb Axle
  • The shipping weight for the Dexter # 7359765-EB replacement EZ-Lube 3500 lb axle and 10 inch brake drums is 102 lbs. The hubs come complete with bearings, races, seals, grease caps, wheel studs, lug nuts, and marine-grade wheel bearing grease. I'll link you to a product description video for the # 7359765-EB axle/brake drum assembly.
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