Free RV manual

Grand Design Momentum Manual

The Grand Design Momentum is a toy hauler built by Grand Design. Federal safety records on it cover model years 2013 to 2025. This page shows how its systems work, every recall on file for it, and where to find the official owner's manual.

Built by	Grand Design
Kind	Toy hauler
Model years on record	2013 to 2025
Recalls on file	18

The official owner's manual

Grand Design keeps owner's manuals online, free to read. Pick the model year of your rig. It is on the sticker by the entry door.

Grand Design owner's manuals

Component manuals

Dometic · Fridges, air conditioners and awnings
Suburban · Furnaces and water heaters
Lippert · Slides, awnings, jacks and leveling
Thetford and Norcold · Norcold fridges and Thetford toilets
Dexter · Trailer axles, brakes and bearings

How its systems work

Our free manuals for every system on a toy hauler. The ones its recalls touched come first.

4 recalls touch thisPropane, furnace and fridgeOpening the tanks, lighting the stove, running the furnace and fridge, and what to do if you smell gas.1 recall touches thisShore power and batteries30 amp and 50 amp shore power, the 12 volt battery side and the inverter. What runs on what, and how not to trip a breaker.1 recall touches thisThe refrigeratorGas and electric absorption fridges, 12 volt compressor fridges, how long they take to cool and how to keep food cold on the road.1 recall touches thisHitching a trailerCoupler, safety chains, breakaway cable and lights. A simple routine to hitch up the same way every time.Free manualFresh water and the water heaterCity water, the fresh tank, the pump and the water heater. How to fill it, turn it on and keep it clean.Free manualThe water heaterGas, electric or both. How to fill it, light it, drain it and care for the anode rod, plus what to do when there is no hot water.Free manualBlack and gray tanksThe order, the hose, the valves and what to put down the toilet. Dumping your tanks the right way, step by step.Free manualThe toiletHow to flush, what paper to use and how to keep the black tank from clogging or smelling.Free manualSolar and lithium batteriesHow solar charges your batteries, what lithium changes, and how to tell how much power you really have left.Free manualPropane, smoke and CO alarmsWhere each alarm is, what each one means, how to test them and why the propane alarm sometimes beeps on a low battery.Free manualThe furnaceA propane furnace with a 12 volt fan. How it starts, why it drains the battery and what to check when it blows cold air.Free manualThe roof air conditionerHow much power it needs, why it freezes up, how to clean the filters and what to try before you call for help.Free manualRoof and sealsWater is the biggest enemy of an RV. How to check the roof and seams, which sealant to use and the signs of a leak.Free manualSlide outsWhen to open them, when not to, and what to check first. Slide outs are the most common repair on a rental, and most of it is avoidable.Free manualAwningsPower and manual awnings, how to set them, and why wind is the thing that breaks them.Free manualLeveling and jacksBlocks, tongue jacks, stabilizers and auto leveling. How to get level, why it matters and why stabilizers are not for lifting.Free manualWinterizing and spring start upDrain it, bypass the water heater and fill the lines with RV antifreeze. Then how to undo it all in spring.Free manualTrailer brakes and breakawayElectric brakes, the brake controller in your truck, how to set the gain and how to test the breakaway switch.Free manualTires, wheels and bearingsTire age, pressure and load, lug nut torque and when to service trailer wheel bearings. The parts that cause the most trouble on the road.Free manualWeight and payloadWhat GVWR, cargo capacity and tongue weight mean, how to weigh your rig, and why sway almost always starts with weight.

Recalls on file

NHTSA has 18 recalls on file for the Grand Design Momentum. The most common areas are u bolt (3), leaf spring to axle (3) and lines and fittings (3). Each one is listed below as filed. A recall is fixed free at a dealer, even on a used rig, and even years later.

U-bolt and Leaf spring to axle · model years 2021 to 2024 · 26V044000, filed January 26, 2026

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2021-2024 Momentum and 2022-2024 Solitude Fifth Wheel trailers. The U-bolt may become loose due to inadequate preload and preload losses, causing the axle to move out of position.

What can happen. An axle that moves out of position can cause a loss of vehicle control and increase the risk of a crash.

The fix. Dealers will replace the axle attachment components, free of charge. Owner notification letters were mailed May 15, 2026. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910054. This recall supersedes NHTSA Recalls 23V490 and 24V193.

Campaign 26V044000. See it on NHTSA

Lines and fittings · model year 2023 · 25V784000, filed November 13, 2025

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022-2023 Solitude and 2023 Momentum fifth wheels trailers. Loose or missing fasteners on the refrigerator cooling unit can allow excessive movement of the unit, possibly causing the propane line to crack and leak.

What can happen. A propane leak in the presence of an ignition source can increase the risk of a fire.

The fix. Dealers will inspect the refrigerator, and repair or replace it as necessary, free of charge. Owner notification letters were mailed December 23, 2025. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910052. This recall is an expansion of NHTSA recall 24V378.

Campaign 25V784000. See it on NHTSA

How this part works is in our propane, furnace and fridge manual.

Step/ladder · model years 2024 to 2025 · 25V281000, filed May 6, 2025

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2024-2025 Momentum 320G, 325G, 344M, 250G, 351MS, 381MS, 392M, 395MS, 397THS, 398M, 399TH, 410TH, 414M, and 415G toy haulers, equipped with a removable step assembly. The clip-on bracket mounting bolts may come loose, allowing the steps to detach.

What can happen. Steps that detach while in use increase the risk of injury.

The fix. Dealers will inspect the clip-on bracket and make repairs as necessary, free of charge. Owner notification letters were mailed May 15, 2025. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910050.

Campaign 25V281000. See it on NHTSA

Step/ladder · model years 2023 to 2025 · 24V916000, filed December 10, 2024

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2023-2025 Momentum fifth wheel trailers. The interior step base does not adequately support the step tread.

What can happen. The tread may detach from the step, increasing the risk of a trip and fall injury.

The fix. Dealers will replace the step riser and step treads, free of charge. Owner notification letters were mailed January 16, 2025. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910047.

Campaign 24V916000. See it on NHTSA

Lines and fittings · model year 2022 · 24V861000, filed November 15, 2024

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022 Imagine, Reflection, Momentum, Solitude, and Transcend travel trailers. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.

What can happen. A gas leak in the presence of an ignition source can increase the risk of a fire.

The fix. Dealers will inspect and replace quick disconnect as necessary, free of charge. Owner notification letters were mailed December 6, 2024. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910045. This recall supersedes Grand Design RV recall 22V308.

Campaign 24V861000. See it on NHTSA

How this part works is in our propane, furnace and fridge manual.

U-bolt and Leaf spring to axle · model year 2024 · 24V193000, filed March 12, 2024

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2024 Solitude and Momentum Fifth Wheel trailers. The U-bolts may have been improperly tightened, which can cause the axle to move out of position.

What can happen. An axle that moves out of position can cause a loss of vehicle control and increase the risk of a crash.

The fix. Dealers will replace the U-bolts, free of charge. Owner notification letters were mailed March 25, 2024. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910042.

Campaign 24V193000. See it on NHTSA

Trailer hitches · model years 2022 to 2024 · 23V586000, filed August 17, 2023

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022-2024 Momentum 23G and 25G travel trailers. The installed safety chains are underrated for the Gross Vehicle Weight Rating (GVWR).

What can happen. Underrated chains can allow the trailer to detach from the tow vehicle, increasing the risk of a crash.

The fix. Dealers will replace the safety chains, free of charge. Owner notification letters were mailed September 6, 2023. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910040.

Campaign 23V586000. See it on NHTSA

How this part works is in our hitching a trailer manual.

U-bolt and Leaf spring to axle · model years 2021 to 2024 · 23V490000, filed July 17, 2023

What is wrong. Grand Design RV, LLC. (Grand Design) is recalling certain 2021-2024 Momentum and Solitude fifth wheels, equipped with certain CURT 7000 and 8000 lb axles. The U-bolts may have been improperly tightened, which can cause the axle to move out of position.

What can happen. An axle that moves out of position can cause a loss of vehicle control and increase the risk of a crash.

The fix. Dealers will inspect and tighten the U-bolts, as necessary. Any damaged components will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 16, 2023. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910039.

Campaign 23V490000. See it on NHTSA

Multiple axle · model year 2023 · 23V455000, filed June 29, 2023

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2023 Momentum and Reflection travel trailers, equipped with certain 5200 and 6000 CURT RV axles. The axles may have an improperly tightened grease fitting that can separate and cause damage, possibly resulting in wheel detachment.

What can happen. A detached wheel increases the risk of a crash.

The fix. Dealers will inspect and repair, or replace the grease fittings, as necessary, free of charge. Owner notification letters were mailed July 28, 2023. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910038.

Campaign 23V455000. See it on NHTSA

Labels · model year 2023 · 23V428000, filed June 15, 2023

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2023 Momentum toy haulers. The Cargo Carrying Capacity (CCC) label is incorrect. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

What can happen. Incorrect weight information on the label can cause the vehicle to be overloaded, increasing the risk of a crash.

The fix. Dealers will remove and replace the label, free of charge. Owner notification letters were mailed July 10, 2023. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910036.

Campaign 23V428000. See it on NHTSA

Door · model years 2022 to 2023 · 22V618000, filed August 11, 2022

What is wrong. Grand Design RV, LLC (Grand Design) is recalling 2022-2023 Momentum fifth wheels. The electric ramp door cut-off switch may allow for continuous power to the ramp door, which can cause the door to fall.

What can happen. A falling ramp door increases the risk of injury.

The fix. Dealers will replace the door mechanism, free of charge. Owner notification letters were mailed August 24, 2022. Owners may contact Grand Design custom service at 1-574-825-9679. Grand Design's number for this recall is 910032.

Campaign 22V618000. See it on NHTSA

Body · model years 2022 to 2023 · 22V603000, filed August 9, 2022

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022-2023 Momentum, Solitude, Imagine, Reflection, and Transcend travel trailers. The electric retractable awning has a welded seam on the fabric that may separate, potentially allowing the awning to drop beyond normal operation.

What can happen. An awning that drops or extends beyond normal operation can increase the risk of injury.

The fix. Dealers will inspect and repair, or replace the awning, free of charge. Owner notification letters were mailed by August 22, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910031.

Campaign 22V603000. See it on NHTSA

Electrical system · model year 2022 · 22V442000, filed June 22, 2022

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022 Momentum travel trailers. The 110-volt power supply wire was incorrectly wired directly into the solar inverter, which can overload the circuit and cause the power supply wire to overheat.

What can happen. An overheated power supply wire increases the risk of a fire.

The fix. Dealers will rewire the 110-volt power wire, free of charge. Owner notification letters were mailed July 25, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910030.

Campaign 22V442000. See it on NHTSA

How this part works is in our shore power and batteries manual.

Lines and fittings · model year 2022 · 22V308000, filed May 6, 2022

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2022 Grand Design Imagine, Reflection, Momentum, Solitude and Transcend travel trailers. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.

What can happen. A gas leak in the presence of an ignition source can increase the risk of a fire.

The fix. Dealers will replace the quick disconnect fittings, free of charge. Owner notification letters were mailed May 30, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910029.

Campaign 22V308000. See it on NHTSA

How this part works is in our propane, furnace and fridge manual.

Refrigerator · model years 2013 to 2021 · 22V038000, filed January 28, 2022

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2013-2021 Momentum, Solitude, and Reflection recreational vehicles. A 110-volt wire in the refrigerator cabinet may be improperly secured, which could result in the wire contacting the refrigerator cooling unit, causing an electrical arc.

What can happen. An electrical arc increases the risk of a fire.

The fix. Dealers will inspect and replace any damaged wiring, and properly secure the wires, free of charge. Owner notification letters were mailed on February 21, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910026.

Campaign 22V038000. See it on NHTSA

How this part works is in our the refrigerator manual.

LPG systems · model years 2016 to 2021 · 21V393000, filed May 26, 2021

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain 2016-2021 Imagine, Transcend, and Momentum travel trailers. The LP regulator that controls the LP gas pressure may fail, allowing excessive gas pressure that causes the appliance flame to increase.

What can happen. Excessive gas pressure and a larger than intended appliance flame can increase the risk of a fire.

The fix. Dealers will replace the LP regulator, free of charge. Owner notification letters were mailed June 24, 2021. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910023.

Campaign 21V393000. See it on NHTSA

How this part works is in our propane, furnace and fridge manual.

General RV equipment · model years 2015 to 2016 · 16V841000, filed November 21, 2016

What is wrong. Grand Design RV (Grand Design) is recalling certain model year 2015-2016 Momentum toy haulers and Solitude recreational trailers manufactured July 8, 2014, to August 31, 2015, equipped with certain aluminum black ladders manufactured by Christianson Industries. These ladders have retractable hinges, each with a welded 'top hat' that can separate from the hinge.

What can happen. If the hinges separate from the ladder while in use, the ladder may fall from the vehicle, increasing the risk of injury.

The fix. Grand Design will notify owners, and dealers will install a bracket over the back of existing hinges, free of charge. The recall began on December 16, 2016. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910008.

Campaign 16V841000. See it on NHTSA

Labels · model year 2016 · 15V822000, filed December 8, 2015

What is wrong. Grand Design RV, LLC (Grand Design) is recalling certain model year 2016 Momentum trailers, models 397th, 398M, and 388M, manufactured September 2, 2015, to November 12, 2015. The affected trailers may be equipped with a Federal Certification Label that lists an incorrect unloaded vehicle weight (UVW), causing the cargo carrying capacity (CCC) to be overstated. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."

What can happen. If the operator loads vehicle per the information on the label, the vehicle may exceed the Gross Vehicle Weight Rating (GVWR), thereby increasing the risk of a crash.

The fix. Grand Design will notify owners, and dealers will install a corrected label, free of charge. The recall began on January 11, 2016. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910005.

Campaign 15V822000. See it on NHTSA

Check your own rig. Put your VIN into the NHTSA recall lookup. It shows any open recall on that exact rig, including the chassis.

Questions owners ask

Where can I find the Grand Design Momentum owner's manual?

Grand Design keeps its owner's manuals online. Look up your model year there. Our free manuals on this page explain how each system works.

Does the Grand Design Momentum have any recalls?

Yes. NHTSA lists 18 recalls for it. The most common area is u bolt. Check your own VIN on the NHTSA site to see if yours was fixed.

Is a recall repair free on a used RV?

Yes. A safety recall is fixed free by the maker's dealers no matter who owns the rig now or how old it is. Call the maker or any dealer for that brand with your VIN.

Where is the VIN on an RV?

Look for a sticker by the entry door, inside a cabinet near the door, or on the tongue or front frame of a trailer. The title and registration show it too.

Renting one from us? Call or text 909-259-RVDR before you try a fix. We would rather talk you through it than have you guess, and it is free.

Other Grand Design manuals

Grand DesignReflectionTravel trailer and fifth wheel, model years 2013 to 202620 recalls on file Grand DesignImagineTravel trailer, model years 2016 to 202614 recalls on file Grand DesignSolitudeFifth wheel, model years 2013 to 202615 recalls on file Grand DesignTranscendTravel trailer, model years 2016 to 20258 recalls on file

Every Grand Design line we cover