The chassis harness is not properly secured to the frame of the trailer or is improperly routed over the axle.
1988-1999 · 11 model years
Cobra Sierra Problems by year
Owners have filed 5 complaints about the Cobra Sierra across 11 model years, and it has 2 recalls. The 1993 has the most complaints once its age is allowed for (1), while 1997 has far fewer than a typical year. The most reported problem area is the brakes, followed by the equipment & accessories.
- Complaints
- 5
- Recalls
- 2
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Sierra complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Most common Sierra problems
Cobra Sierra recalls 2
The angle of the rear combination lamp is not within the proper specifications for fmvss no. 108, "Lamps, reflective devices, and associated equipment."
Latest Sierra complaints
Was driving fifth wheel trailer when left front tire, with 2,000 miles of goodyear marathon started to lose tread. Pulled over & changed tire. Was driving back & right rear tire, with 3,500 miles, blewout. Tread had peeled off that tire. Also did damage to the camper. Entire tread had came off. Spare tire was put on. Last time was the left right with 4,000 miles, was throwing chunks/pieces of tire caucus. Replaced tire with a friends spare.*Ak
After ~20 miles of stop-and-go driving, braked at ~40 mph to slow/stop for traffic 5- to 6 car-lengths ahead. Brake pedal sank to floor with little resistance, no slowing of vehicle. During body repairs, shop employee noted "spongy" brake pedal feel, `ineffective during hard braking'. Truck transferred to mechanic, who found brake master cylinder leaking from rear seal & reservoir gaskets - and also found all front pads worn `to the point of needing replacement'. Selling gm dealer replaced pads but denied m/c...
Read the full complaint
leakage, but second dealer (dutton gmc in riverside, ca) confirmed leakage and replaced m/c under warranty. 2,100 Miles later, on 10/4/99, noted fresh fluid leakage at rear of m/c; when cap removed, new fluid had turned very dark; when replacing cap, noted fluid "squishing" from round seals between reservoir and m/c bore.
Abs brakes; when applying brakes in normal conditions, the pedal goes to the floor and brakes fail to stop the vehicle, causing extended stopping distance before vehicle comes to a complete stop. Please provide details. *Ak
Trailer pin box frame area welds are broken and is tearing away from the cross member.
Split seat: passenger's side front seat does not latch in place when driving and applying brakes lightly,the seat just slides forward. Has taken in for repairs severaltimes, but the problem still exists. *Ak
Questions about the Cobra Sierra
Which Cobra Sierra years have the most problems?
Which Cobra Sierra years have the fewest complaints?
Among model years that have been on the road for at least three years, 1997 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other Sierra years. Always check the exact vehicle's recalls by VIN before you buy.
What are the most common Cobra Sierra problems?
Across every model year, owners report problems with the brakes (2), equipment & accessories (1), seats & seat belts (1) most often.
How many recalls does the Cobra Sierra have?
NHTSA lists 2 recalls across all Cobra Sierra model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data