2014 Gmc Sierra denali problems

Common 2014 Gmc Sierra denali problems

Based on complaints from owners of the 2014 GMC Sierra Denali, several common problems have been reported:

1. Air Conditioning Issues:
   • Complaints include the A/C compressor, condenser, and valves failing frequently, leading to leaks and the need for frequent repairs costing owners thousands of dollars.
   • Owners have experienced issues with the A/C not cooling properly, excess heat blowing into the back seat, and limited cold air coming out, requiring significant repairs and replacements.
2. Headlight Problems:
   • Owners have reported difficulties with the headlights, mentioning poor visibility at night, especially in rainy conditions.
   • The entire headlight housing has been known to malfunction, necessitating costly replacements of up to $1700 for a single unit.
3. Fuel Pump Concerns:
   • Some owners have faced issues with the truck going into limp mode randomly while driving, posing a safety risk, especially on highways.
   • The fuel pump has been identified as a faulty part that needs frequent replacement, with an average cost of $1200 every 40,000 miles.
4. Magnetic Ride Suspension:
   • Owners have described a rough ride quality, likening it to driving over train tracks, which worsens over time.
   • Replacing shocks has been necessary for some owners as early as 50,000 miles, costing around $4500.
5. Power Brakes Malfunction:
   • Problems with the vacuum level and power brakes vacuum pump dropping have led to disabled power brakes, requiring a repair cost of around $700.
6. Transmission Issues:
   • Owners have reported transmission problems such as slipping gears, jerky rides, and aggressive launches when shifting gears.
   • Transmission replacements have been needed every 25,000 to 40,000 miles, with an average cost of $6600.
7. Infotainment Screen Troubles:
   • Issues with the infotainment screen include muffled Bluetooth audio, screen failures, and the need for costly replacements exceeding $2000.
8. Vibration Concerns:
   • Some owners have experienced annoying vibrations between 40-70 mph, attributed to rear axle misalignment and frame issues, which have been challenging to fix.
9. Fuel Injector Problems:
   • Sudden struggles with acceleration and delays after stepping on the gas pedal have been linked to fuel injector issues, requiring replacements.

These common problems reported by owners of the 2014 GMC Sierra Denali highlight various issues ranging from air conditioning failures to transmission and suspension concerns, impacting the overall driving experience and maintenance costs for owners of this vehicle.

How many miles will a 2014 GMC Sierra last?

With decent care, you'll get a baseline mileage expectancy of 200,000 miles, but for many Sierras, they're just getting started at that number. It's not unusual to find them with 400,000 miles on the odometer, with the original transmission and engine.

How reliable are GMC Sierra Denali?

The GMC Sierra is one of the highest-rated pickup trucks on the market in terms of reliability. This rugged pickup truck comes in eight trims, and all of them offer the GMC Sierra reliability written about in J.D. Power's safety ratings. The Sierra is a light-duty truck, rated number one in safety for 2020.

Does the 2014 GMC Sierra have any recalls?

Summary: General Motors LLC (GM) is recalling certain 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The vehicles may have a temporary loss of electric power steering (EPS) assist, especially during low-speed turning maneuvers. Tip: Recalls don't affect every vehicle of the same year, make and model.

How many miles will a GMC Sierra Denali last?

You will find the standard mileage for the GMC Sierra to be around 250,000 miles. Thus, high mileage for the vehicle is anything around or over 200,000 miles. At this point, the vehicle is very close to potentially experiencing serious, expensive issues depending on how well you've cared for it during its lifetime.

How reliable are GMC Sierra Denali?

The GMC Sierra is one of the highest-rated pickup trucks on the market in terms of reliability. This rugged pickup truck comes in eight trims, and all of them offer the GMC Sierra reliability written about in J.D. Power's safety ratings. The Sierra is a light-duty truck, rated number one in safety for 2020.

How many miles will 2014 GMC Sierra last?

A 2014 GMC Sierra 1500 series will last about 200,000 miles with proper care, shorter than other full size trucks. Maintenance costs are more expensive than other half-ton trucks as well. Repair Pal estimates them to be $787 per year.

Does the 2014 GMC Sierra have any recalls?

Summary: General Motors LLC (GM) is recalling certain 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The vehicles may have a temporary loss of electric power steering (EPS) assist, especially during low-speed turning maneuvers. Tip: Recalls don't affect every vehicle of the same year, make and model.

Which is better Denali or Sierra?

The answer depends on just how many features you need. For people who load a variety of different cargo in different ways, the Multi-Pro Tailgate on the Denali may make more sense. But for people who aren't as work-oriented, the SLT makes more sense.