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NHTSA recall,

Forest River Dynamax Grand Sport GT Recreational Vehicles

The engine pre-heat pump may be improperly installed, causing coolant hose failure.

Summary by Recall Canary from the NHTSA notice

What happened

Forest River, Inc. is recalling certain 2026-2027 Dynamax Grand Sport GT recreational vehicles because the engine pre-heat pump may have been improperly installed, causing the coolant hose to fail. A coolant hose failure can cause the engine to overheat, increasing the risk of a crash. The recall affects 16 vehicles nationwide.

The recall was reported to NHTSA on September 21, 2026. Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters are expected to be mailed October 31, 2026.

More fuel system defect recalls

What to do

If you own a vehicle in this recall:

  1. Check your VIN (vehicle identification number) at nhtsa.gov/recalls.
  2. Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge.
  3. You may contact Forest River customer service at 1-574-522-1583.
  4. Watch your mail. Owner notification letters are expected to be mailed October 31, 2026.

What you get Free repair

Full text from NHTSA

Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters are expected to be mailed October 31, 2026. Owners may contact Forest River customer service at 1-574-522-1583. Forest River's number for this recall is 40-2097.

Is your Dynamax affected?

These models and years may be affected.

  • Grand Sport GT, model years 2026 to 2027

Your VIN confirms it. Find the 17-character VIN on the driver's side of the dashboard or on your registration card.

Check your VIN on nhtsa.gov (opens in a new tab)

Recall details

Reported to NHTSA
Sold in
Nationwide
Manufacturer
Forest River, Inc.
Component
Fuel system defect
Campaign
26V603000
Vehicles affected
16
Repair cost
Free of charge
Owner letters expected
Manufacturer's recall number
40-2097
Manufacturer phone
1-574-522-1583

All recalls from Forest River, Inc.

Timeline

  1. Reported to NHTSA

  2. Listed on Recall Canary

  3. Summary updated

Other fuel system defect recalls

See all: Other fuel system defect recalls

Summary by Recall Canary, written with AI · summary updated Oct 2, 2026 · primary source: U.S. National Highway Traffic Safety Administration (opens in a new tab)