2010 GMC Sierra 2500 HD

2010 GMC Sierra 2500 HD

The 2010 GMC Sierra 2500 HD is a powerful and capable full-size pickup truck. It is available with a variety of engine and transmission options, including a 6.0L V8, a 6.6L V8, and a 6.6L Duramax diesel V8. The Sierra 2500 HD has a towing capacity of up to 13,000 pounds and a payload capacity of up to 3,979 pounds.

People who like the Sierra 2500 HD often praise its powerful engines, strong towing and payload capacities, and comfortable interior. However, some people complain about the truck’s poor fuel economy and expensive maintenance costs.

Engine

6.0L V8

• Intake manifold gasket failure
  • Description/Symptoms: Coolant and oil leaks, rough idle, white smoke from exhaust
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: NHTSA 14V393000

6.6L V8

• Valve lifter failure
  • Description/Symptoms: Ticking or clicking noise from engine, loss of power
  • Solution: Replace valve lifters
  • Estimated Cost to Fix: $1,000 - $2,000+
• Piston ring failure
  • Description/Symptoms: Excessive oil consumption, blue smoke from exhaust
  • Solution: Overhaul or replace engine
  • Estimated Cost to Fix: $3,000 - $7,000+

6.6L Duramax Diesel V8

• Fuel injector failure
  • Description/Symptoms: Hard starting, rough idle, poor fuel economy
  • Solution: Replace fuel injector
  • Estimated Cost to Fix: $500 - $1,000+
• EGR cooler failure
  • Description/Symptoms: Check engine light, reduced engine power, white smoke from exhaust
  • Solution: Replace EGR cooler
  • Estimated Cost to Fix: $1,000 - $2,000+

Transmission

Allison 6-speed Automatic

• Torque converter failure
  • Description/Symptoms: Shuddering or slipping during shifts, loss of power
  • Solution: Replace torque converter
  • Estimated Cost to Fix: $1,500 - $2,500+

Suspension

• Leaf spring failure
  • Description/Symptoms: Sagging or broken leaf springs, rough ride
  • Solution: Replace leaf springs
  • Estimated Cost to Fix: $500 - $1,000+ per axle
• Shock absorber failure
  • Description/Symptoms: Bouncy or unstable ride, excessive body roll
  • Solution: Replace shock absorbers
  • Estimated Cost to Fix: $200 - $400+ per axle

Electrical

• Battery drain
  • Description/Symptoms: Battery discharges quickly, even when vehicle is not in use
  • Solution: Diagnose and repair source of drain (e.g., faulty alternator, parasitic draw)
  • Estimated Cost to Fix: $100 - $500+
• Headlight switch failure
  • Description/Symptoms: Headlights or other exterior lights not functioning
  • Solution: Replace headlight switch
  • Estimated Cost to Fix: $100 - $200+

Exterior

• Tailgate corrosion
  • Description/Symptoms: Rust or corrosion on tailgate
  • Solution: Repair or replace tailgate
  • Estimated Cost to Fix: $500 - $1,000+

Interior

• Radio display failure
  • Description/Symptoms: Radio display screen goes blank or malfunctions
  • Solution: Replace radio
  • Estimated Cost to Fix: $300 - $500+
• Heater core failure
  • Description/Symptoms: No heat from heater vents
  • Solution: Replace heater core
  • Estimated Cost to Fix: $500 - $1,000+

Summary

The 2010 GMC Sierra 2500 HD is a capable and powerful pickup truck, but it is not without its issues. Some of the most common problems reported by owners include engine valve lifter failure, transmission torque converter failure, and electrical system issues. These problems can be expensive to repair, so it is important to weigh the potential costs against the benefits of owning a Sierra 2500 HD.