Keystone Avalanche, Keystone Bullet, Keystone Cougar, Keystone Energy, Keystone Fuzion, Keystone Hideout, model year 2011. Filed by Keystone Rv Company and reported to NHTSA on 5 October 2010. 5,459 vehicles potentially affected.
What the notice says Keystone is recalling certain model year 2011 recreational vehicles equipped with atwood 35 series range ovens. a potential exists for a small fracture within the line delivering gas to the oven cavity burner. such a fracture may cause propane gas to leak from the line.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Keystone's own number for this recall: 10-148. That is the number on the owner letter and on the dealer paperwork. 10V478 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 10V478 cover?
- Keystone Avalanche, Keystone Bullet, Keystone Cougar, Keystone Energy, Keystone Fuzion, Keystone Hideout, Keystone Hornet, Keystone Laredo, model year 2011.
- What is wrong with them?
- KEYSTONE IS RECALLING CERTAIN MODEL YEAR 2011 RECREATIONAL VEHICLES EQUIPPED WITH ATWOOD 35 SERIES RANGE OVENS. A POTENTIAL EXISTS FOR A SMALL FRACTURE WITHIN THE LINE DELIVERING GAS TO THE OVEN CAVITY BURNER. SUCH A FRACTURE MAY CAUSE PROPANE GAS TO LEAK FROM THE LINE.
- What can happen if it is not put right?
- A PROPANE LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE AND/OR EXPLOSION CAUSING PROPERTY DAMAGE AND/OR PERSONAL INJURY.
- Is there a fix yet?
- Yes, and it is free. DEALERS WILL ISOLATE AND PERFORM A DROP PRESSURE TEST ON THE OVEN SUPPLY TUBE AND IF THE TUBE LEAKS IT WILL BE REPLACED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 27, 2010. OWNER MAY CONTACT KEYSTONE CUSTOMER SERVICE AT 1-866-425-4369.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Keystone calls this recall 10-148, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “A PROPANE LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE AND/OR EXPLOSION CAUSING PROPERTY DAMAGE AND/OR PERSONAL INJURY.”
affected
in the notice
caught
| Campaign | 10V478 |
|---|---|
| Filed by | KEYSTONE RV COMPANY |
| System at fault | Equipment |
| Reported to NHTSA | 5 October 2010 |
| Model years | 2011-2011 |
| Vehicles named | KEYSTONE AVALANCHE, KEYSTONE BULLET, KEYSTONE COUGAR, KEYSTONE ENERGY, KEYSTONE FUZION, KEYSTONE HIDEOUT, KEYSTONE HORNET, KEYSTONE LAREDO, KEYSTONE MONTANA, KEYSTONE MONTANA HIGH COUNTRY, KEYSTONE MOUNTAINEER, KEYSTONE OUTBACK, KEYSTONE PASSPORT, KEYSTONE RAPTOR |
What the notice says today
The consequence
A PROPANE LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE AND/OR EXPLOSION CAUSING PROPERTY DAMAGE AND/OR PERSONAL INJURY.
The remedy
DEALERS WILL ISOLATE AND PERFORM A DROP PRESSURE TEST ON THE OVEN SUPPLY TUBE AND IF THE TUBE LEAKS IT WILL BE REPLACED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 27, 2010. OWNER MAY CONTACT KEYSTONE CUSTOMER SERVICE AT 1-866-425-4369.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Keystone Avalanche recalls: 17 US campaigns
- Keystone Bullet recalls: 18 US campaigns
- Keystone Cougar recalls: 39 US campaigns
- Keystone Energy recalls: 4 US campaigns
- Keystone Fuzion recalls: 30 US campaigns
- Keystone Hideout recalls: 21 US campaigns
- Keystone Hornet recalls: 3 US campaigns
- Keystone Laredo recalls: 16 US campaigns
- Keystone Montana recalls: 27 US campaigns
- Keystone Montana High Country recalls: 10 US campaigns
- Keystone Mountaineer recalls: 3 US campaigns
- Keystone Outback recalls: 16 US campaigns
- Keystone Passport recalls: 22 US campaigns
- Keystone Raptor recalls: 27 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 10V478, wording as read on 17 September 2026. https://carsmultiverse.com/recall/10v478/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Keystone notices we hold
- 26V313: 2024 Cougar, 2025-2026 Alpine, 2026 Montana, and Walkabout recreational trailers
- 26V211: 2026 Montana fifth wheel recreational trailers
- 26V161: 2026 Montana fifth wheel recreational trailers
- 26V045: 2026 Coleman travel trailers
- 26V026: 2025-2026 Fuzion, Raptor, Redwood, and 2024-2026 Voltage travel trailers
- 25V844: 2026 Impact and Carbon recreational trailers equipped with 3000 series patio rail kits
- 25V771: 2024-2026 Voltage recreational trailers
- 25V547: 2026 Springdale and Hideout travel trailers
All 170 Keystone campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 10V478 on 17 September 2026, they were:
- Defect summary
c943a053 - Consequence
09cad366 - Remedy
0288c576
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 10V478 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Keystone Avalanche, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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