Trailer hitches: fifth wheel assembly (Mobile Scout and Sunnybrook)
Vehicle recall 04V-158. NHTSA received SUNNYBROOK RV INC.’s report on Apr 1, 2004.
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The short answer
NHTSA received SUNNYBROOK RV INC.’s report on Apr 1, 2004. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
IF OVERLOADED, EXTENSIVE USE, ADDED HITCH WEIGHT, AND/OR ROAD UNEVENNESS, STRESS ON THE C-CHANNEL COULD CAUSE THE HITCH PIN BOX TO HAVE CROWNING OR STRESS FRACTURES CAUSING THE UPPER FRAME TO DROP DOWN MORE THAN ONE INCH WHEN CONNECTED TO THE TOW VEHICLE. THIS COULD AFFECT THE STEERING CAPABILITY OF THE TOWING VEHICLE INCREASING THE RISK OF A CRASH.
ON CERTAIN FIFTH WHEEL TRAILERS EQUIPPED WITH BEDROOM SLIDE OUT ROOMS, THE FRONT CROSS-MEMBER CONNECTED TO THE HITCH PIN BOX MAY NOT BE OF ADEQUATE STRENGTH.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Trailer hitches: fifth wheel assembly.
What should you do?
DEALERS WILL ADD A 2” X 3” X 86” 11 GAUGE STEEL TUBE TO THE EXISTING FRONT CROSS-MEMBER AND INSPECT/REPAIR ALL WELDS, JOINTS AND STRUCTURE OF THE UPPER FRAME DECKING. THE RECALL BEGAN ON APRIL 15, 2004. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT SUNNYBROOK AT 574-825-5250.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- How to reach the firm: CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 168 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- Mobile Scout 33RKFSand 1997, before the model years listed here
- Sunnybrook 33RKFSand 1997, before the model years listed here
Who is recalling it?
- Made by SUNNYBROOK RV INC..
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.