2021 Grand Design Momentum Technical Service Bulletins

2 technical service bulletins (TSBs) are on record for the 2021 Grand Design Momentum. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11026622Nov 22, 2025Body and structure. Grand Design is addressing concerns of excessive frame flex or wall securement in the front upper deck area of a limited number of fifth-wheel units. This condition could potentially occur over time due to a combination of manufacturing variations, an overload condition, or hitch modifications. Wall securement or excessive frame flex does not compromise vehicle safety or structural integrity of the coach as…
• 10253005Apr 10, 2024Body and structure. TSB 24-001 Issued in March on March 7th. Concern: Complaint of upper deck flex which results in cosmetic damages to the interior and excessive flex at the pin box. Remedy : The procedure outlined in attached summary to assess damages if any and direct customers to the next steps.

← All problems reported for the 2021 Grand Design Momentum