2021 Grand Design Momentum service bulletins & manufacturer communications

2 manufacturer communications are on file with NHTSA for the 2021 Grand Design Momentum. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• 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 potential…
  920017 · Service campaign · Structure · issued Nov 22, 2025
• 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 pro…
  TSB 24-001 · Technical service bulletin · Structure · issued Apr 10, 2024