NHTSANHTSA recall 26V603000 · Sep 21, 2026

Forest River, Inc.: Improperly Installed Engine Pre-Heat Pump

Recall found

Product

2026-2027 Dynamax Grand Sport GT recreational vehicles

Hazard

A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.

What to do

Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters were mailed October 20, 2026. Owners may contact Forest River customer service at 1-574-522-1583. Forest River's number for this recall is 40-2097.

Got a car, truck or motorcycle? The surest check is your 17-character VIN, which is on your registration, insurance card, or the driver-side dashboard. NHTSA's free lookup shows any open recall that hasn't been repaired on that exact vehicle.

Check my VIN on NHTSA.gov

Recall details

Summary: Forest River, Inc (Forest River) is recalling certain 2026-2027 Dynamax Grand Sport GT recreational vehicles. The engine pre-heat pump may have been improperly installed, causing the coolant hose to fail.
Component: FUEL SYSTEM, DIESEL
Recall type: Vehicle
Potentially affected: 16
Manufacturer campaign number: 40-2097

Source: National Highway Traffic Safety Administration (NHTSA) notice.

Copied from the agency record without changes. Data as of Nov 3, 2026, 2:31 AM EST. The agency notice is the final word.