FOREST RIVER SIERRA (2021) recall — Structure
Forest River recalls 2021 Sierra trailers due to improperly tightened bolts that could cause trailer body detachment, increasing crash risk. Owners must have bolts tightened by dealers.
Use caution until it’s fixed
Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
Contact the company & request your remedy
What happened, in plain English
Forest River is recalling certain 2021 Sierra trailers because bolts holding the floor to the chassis were tightened incorrectly. This could cause the trailer body to detach from the chassis, raising the risk of a crash. Read more at govinfonow.com/recall/80410-forest-river-2021-sierra-trailer-recall-bolt-detachment-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80410-forest-river-2021-sierra-trailer-recall-bolt-detachment-risk · Updated October 4, 2026 · Official notice: NHTSA #21V378000
Cite this page
“Forest River 2021 Sierra Trailer Recall: Bolt Detachment Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80410-forest-river-2021-sierra-trailer-recall-bolt-detachment-risk. Based on NHTSA recall #21V378000 (https://www.nhtsa.gov/recalls?nhtsaId=21V378000).
Why it’s dangerous
Improperly tightened bolts can cause the trailer body to detach from the chassis. This detachment could lead to a crash if the trailer becomes unstable during normal use.
Who’s affected
Owners of 2021 Forest River Sierra and Sandpiper Fifth Wheel and Travel Trailers are affected. Trailer owners who have the improperly tightened bolts are most at risk.
How to tell if you have this one
Check for 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The recall was announced in June 2021 with owner notification letters mailed to affected owners.
- Brand
Forest River- Category
Vehicle
What to do — step by step
Contact Forest River Customer Service
Call 1-574-534-4574 to confirm your trailer is affected and schedule a bolt tightening service.
Have Dealers Tighten Bolts
Dealers will tighten the bolts to the chassis outriggers at no cost to fix the issue.
What NHTSA says to do
Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
Questions people ask
Why is my Sierra trailer being recalled?
The bolts that hold the floor to the chassis were improperly tightened, which could cause the trailer body to detach from the chassis and increase crash risk.
How do I know if my trailer is affected?
Check if you own a 2021 Forest River Sierra or Sandpiper Fifth Wheel and Travel Trailer. Owner notification letters were mailed in June 2021.
What should I do if I have the affected trailer?
Dealers will tighten the bolts to the chassis outriggers at no cost. Contact Forest River customer service at 1-574-534-4574 to schedule the service.
Contact Forest River
We’ve drafted a message you can send Forest River to request your refund or repair — edit it as you like.
Subject: Recall 21V378000 — Forest River Forest River Hello, I own a Forest River that is covered by recall 21V378000 from Forest River. The official recall notice states: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #21V378000 (May 24, 2021)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.