2004 Winnebago Adventurer Problems
- Complaints
- 22filed with NHTSA
- Median mileage
- 15,575miles, 19 complaints with mileage
- Recalls
- 3campaigns on record
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Sources: NHTSA records for the 2004 Winnebago Adventurer (complaints, recalls, investigations). Report an error
NHTSA recorded 22 consumer complaints for the 2004 Winnebago Adventurer. The part named most often is brakes, with 10 complaints (45% of the total), followed by equipment (4) and fuel system (3). 19 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 15,575 miles. Of all complaints, 1 involved a crash, 1 a fire, 1 an injury, according to the filers. NHTSA lists 3 recall campaigns and 7 technical service bulletins for this model year. Equipment complaints overlap with 1 recall campaign and 4 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Brakes10 45%
- Equipment4 18%
- Fuel system3 14%
- Electrical system2 9.1%
- Suspension2 9.1%
- Engine cooling1 4.5%
- Seat belts1 4.5%
- Seats1 4.5%
- Body and structure1 4.5%
Also reported: Tires (1), Transmission and drivetrain (1), Wheels (1).
Example complaints
Brakes: “There have been repeated attempts to repair the ABS system on my class a motorhome,since the time of purchase, including 1 manufacturer recall on the ABS system and 2 recalls on the hydraulic brakes. I have completed all of the recall orders and also had intermittent inspections on the brakes. This morning I had an accident due to a brake failure. The brake pedal went to the floor without slowing the vehicle and I went through a stop sign, across a state highway, over an incline and through a fence.”
NHTSA complaint #10356202, filed 2010-09, 9,314 milesEquipment: “I own a 2004 Winnebago Adventurer wpg38r. I incurred what amounted to a premature failure of the exhaust system on my on a generator, directly caused by Winnebago ignoring onan's recommended installation instructions. Those instructions specifically state a support bracket be installed if the tailpipe assembly is more than 18 long. The tailpipe assembly on this unit is 25 long. The fix, if caught early on cost me $725.00. My real concern involves safety. Onan warns in their installation instructions a hot exhaust pipe can cause ---- severe personal injury or death. …”
NHTSA complaint #10381119, filed 2011-02, 26,000 milesFuel system: “On 09/13/13 I noticed an odor of gas near drivers side rear tires. I slid under motorhome and noticed wet area on gas tank. I inspected the gas tank and found gas leaking from a spot weld for the internal baffle in the gas tank. This is a serious problem that could cause a fire, generator is close by. Leak could also be ignited from a spark from a campfire while parked at a campground.”
NHTSA complaint #10544282, filed 2013-09, 30,630 milesElectrical system: “Consumer stated: vehicle blew a fuse. Also, had trouble with cruise control. The consumer had to press extra hard to get the cruise control to go off. Then had to use the button on steering wheel. No light came on. The consumer was told that power brakes were not working. It was found that a wire under the dash rubbed and had become bare. This shorted out a fuse.”
NHTSA complaint #10121886, filed 2005-06, 10,953 milesMileage when problems were reported
100% of the 19 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 9,314 and 26,000 miles.
Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Recalls and investigations
- 10V525000Oct 26, 2010EquipmentCovers: Winnebago Adventurer 1996–2011, Itasca Suncruiser 1996–2011, Sunflyer 1996–2011 +13 more
Winnebago is recalling certain recreational vehicles equipped with 1200-series norcold refrigerators. The population of refrigerators being addressed contains either a sensing algorithm or thermal switch to shut off power to the refrigerator when high…
- 04V609000Dec 22, 2004Fuel system, gasoline › Delivery › Hoses, lines/piping, and fittingsCovers: Winnebago Adventurer 2003–2005, Brave 2003–2005, Sightseer 2003–2005 +6 more
On certain motor homes built on a 20,700 gvwr or greater workhorse chassis, there may not be sufficient clearance in the area where the fuel line crosses the frame cross member.
- 04V608000Dec 18, 2004Seat belts › Front › Buckle assemblyCovers: Winnebago Adventurer 2004–2005, Sightseer 2004–2005, Journey 2004–2005 +11 more
Certain seat belt buckles on some motor homes fail to conform to the load requirement of federal motor vehicle safety standard no. 209, "seat belt assemblies."
Recall details for the 2004 Winnebago Adventurer → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 7 on record; the latest 7 are shown.
- 10252834Apr 5, 2024Other or unknown. Service Bulletin sent to dealers advising of the required legal verbiage each RO should document.
- 10251128Feb 23, 2024Other or unknown. Service Bulletin sent to all Winnebago dealers. Bulletin outlines the characteristics of new roof sealant being used.
- 10226724Sep 19, 2022Body and structure. Service Bulletin sent to all Winnebago dealers. Bulletin advises of a manufacturing change to the shower surround sealant process for all units.
- 10213593May 31, 2022Equipment. Service Bulletin sent to all dealers. This bulletin advises dealers they no longer need to email Winnebago the signed Vehicle Registration Form, but they should retain a copy for their records.
- 10199382Jul 14, 2021Equipment. Service Bulletin to dealers reminding them to understand their state's Lemon Law and to comply with Winnebago Motorhome mandates outlined in the Policy & Procedure Manual.
- 10199381Jul 1, 2021Equipment. Service Bulletin to dealers advising them of part sales training opportunities.
- 10199380Mar 26, 2021Equipment. General Parts and Service Letter to dealers detailing the warranty part return procedure.
Other model years of the Winnebago Adventurer
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2021 | 8 | — | 3 | — | — | — | Not enough data |
| 2008 | 7 | 18,560 | 4 | — | — | — | Not enough data |
| 2005 | 7 | 64,444 | 6 | — | — | — | Not enough data |
| 2004 | 22 | 15,575 | 3 | — | — | — | Stable |
| 2003 | 16 | 20,634 | 5 | — | — | — | Stable |
| 2002 | 18 | 26,500 | 2 | — | — | — | Stable |
| 2001 | 14 | 32,450 | 6 | — | — | — | Not enough data |
| 2000 | 14 | 40,900 | 5 | — | — | — | Not enough data |
| 1999 | 17 | 20,000 | 1 | — | — | — | Stable |
| 1998 | 6 | 25,716 | 2 | — | — | — | Not enough data |
| 1997 | 11 | 25,000 | 2 | — | — | — | Not enough data |
| 1996 | 14 | 17,750 | 2 | — | — | — | Not enough data |
| 1995 | 13 | 40,045 | 1 | — | — | — | Not enough data |
| 1994 | 7 | 10,000 | 1 | — | — | — | Not enough data |
All Winnebago Adventurer model years
Frequently asked questions
How many NHTSA complaints does the 2004 Winnebago Adventurer have?
NHTSA recorded 22 consumer complaints for the 2004 Winnebago Adventurer as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2004 Winnebago Adventurer is reported most often?
Brakes is named most often, in 10 complaints (45% of the total), followed by equipment with 4.
Has the 2004 Winnebago Adventurer been recalled?
NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
At what mileage are problems with the 2004 Winnebago Adventurer reported?
Among the 19 complaints that include a mileage, the median is 15,575 miles and the middle half falls between 9,314 and 26,000 miles; 100% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.