2004 Winnebago Adventurer problems & reliability
22 owner complaints filed with NHTSA for the 2004 Winnebago Adventurer, alongside 3 safety recall campaigns. Last verified Aug 8, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes, Hydraulic | 9 | 41% |
| Equipment | 3 | 14% |
| Fuel System, Gasoline | 3 | 14% |
| Electrical System | 2 | 9% |
| Suspension | 2 | 9% |
| Visibility | 2 | 9% |
| Engine and Engine Cooling | 1 | 5% |
| Equipment Adaptive/mobility | 1 | 5% |
| Power Train | 1 | 5% |
| Seat Belts | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 15 reported components →Complaints by incident year
What owners report
“Tl* the contact owns a 2004 winnebago adventurer equipped with a norcold refrigerator, model number: 1201lrim and serial number: 15374429. The contact stated that the refrigerator began leaking and an ammonia odor was detected in the recreational vehicle. The norcold manufacturer was notified at 800 543-1219 and…”
Equipment · filed Jul 24, 2018
“Tl* the contact owns a 2004 winnebago adventurer. The contact stated that all four rotors were deteriorated to the point of potentially fracturing. The contact mentioned that the rotors were cracked. The manufacturer was made aware of the failure and referred the contact to an authorized dealer. The technician…”
Service Brakes, Hydraulic · filed Oct 28, 2014
“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…”
Fuel System, Gasoline · filed Sep 18, 2013
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
7 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Winnebago Adventurer.
Service Bulletin sent to dealers advising of the required legal verbiage each RO should document.
7SB009-24-01A · Service Bulletin/Repair Instructions · issued Apr 5, 2024
Service Bulletin sent to all Winnebago dealers. Bulletin outlines the characteristics of new roof sealant being used.
7SB002-24-01A · Service Bulletin/Repair Instructions · issued Feb 23, 2024
Service Bulletin sent to all Winnebago dealers. Bulletin advises of a manufacturing change to the shower surround sealant process for all units.
7SB005-23-01A · Service Bulletin/Repair Instructions · issued Sep 19, 2022
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.
7SB009-22-02A · Service Bulletin/Repair Instructions · issued May 31, 2022
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.
7SB009-21-02A · Service Bulletin/Repair Instructions · issued Jul 14, 2021
Service Bulletin to dealers advising them of part sales training opportunities.
7SB010-21-01Z · Service Bulletin/Repair Instructions · issued Jul 1, 2021
General Parts and Service Letter to dealers detailing the warranty part return procedure.
7SB014-21-01A · Service Bulletin/Repair Instructions · issued Mar 26, 2021
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Winnebago Adventurer has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Winnebago Adventurer?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.