Keystone Mountaineer: problems, complaints, bulletins

Summary for the Keystone Mountaineer across 3 model years: 4 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

Year	Owner complaints	involving a crash
2014	1	1
2007	2	0
2006	1	0

What fails most often

1 Tires 75% of all complaints
2 Structure 25% of all complaints
3 Wheels 25% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Tires: 3 complaints (75% of all).
Structure: 1 complaints (25% of all), 1 of them with a crash reported by the owner.
Wheels: 1 complaints (25% of all), 1 of them with a crash reported by the owner.

Components owners complain about

Component	Owner complaints	involving a crash
Tires	3	0
Structure	1	1
Wheels	1	1
Other	1	1

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Our tire blew out and hit the curb and did damage to both sides of fifth wheel . Then upon arrival at destination, the other 3 tires had bubbles . A tow truck came and put on our spare.
Structure · 2014 · crash · 2017-02-13 · NHTSA complaint #10954374
Fixing to go on a trip in our travel trailer my husband does a pre trip inspection and discovered all the valve stems were cracked we had to have a road side service guy come out and change all the valve stems for us come to find out our valve stems are on the recall tr 413.
Tires · 2007 · 2010-05-04 · NHTSA complaint #10328814
We had to buy two new tires then drive back to just tires to replace the other two when the advised me that they were defective tires their term to describe it was dilapidation poor curing of the tire which caused the entire tread to fall off the tire.
Tires · 2007 · 2009-06-28 · NHTSA complaint #10275162
Tl contact owns a 2006 keystone mountaineer. The vehicle has mission tires (na). The insides of both rear tires were completely worn. The vehicle is currently at the dealer, but they are unable to determine the cause of failure.
Tires · 2006 · 2007-10-05 · NHTSA complaint #10205102

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20071
20091
20101
20171

What to check before buying

Tires. Tire age by DOT code, bulges, wear pattern.
Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Wheels. Wheel runout, cracks, signs of a wheel strike.

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.