2017 GMC Sierra

Introduction to the 2017 GMC Sierra:

The 2017 GMC Sierra is a full-size pickup truck available with three engine options: a 4.3L V6 with 285 horsepower and 305 lb-ft of torque, a 5.3L V8 with 355 horsepower and 383 lb-ft of torque, and a 6.2L V8 with 420 horsepower and 460 lb-ft of torque. The truck offers two transmission options: a 6-speed automatic and an 8-speed automatic.

Owners generally praise the Sierra for its powerful engines, comfortable interior, and good towing capacity. However, the truck has also faced some issues that may impact its performance and reliability.

Engine

4.3L V6

• Intake Manifold Gasket Failure:
  • Description/Symptoms: Leaking coolant, overheating, and reduced engine performance
  • Solution: Replace the intake manifold gasket
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

5.3L V8

• AFM (Active Fuel Management) System Issues:
  • Description/Symptoms: Engine misfires, rough idling, and reduced fuel economy
  • Solution: Replace the lifters and camshaft
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: NHTSA Campaign Number 18V012000
• Fuel Injector Failure:
  • Description/Symptoms: Hard starting, rough idling, and reduced engine performance
  • Solution: Replace the fuel injectors
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

6.2L V8

• No significant issues reported

Transmission

6-Speed Automatic

• Torque Converter Shudder:
  • Description/Symptoms: Vibration or shaking during acceleration
  • Solution: Replace the torque converter
  • Estimated Cost to Fix: $1,500 - $2,500
  • Recalls: None Found

8-Speed Automatic

• Shifting Problems:
  • Description/Symptoms: Difficulty shifting gears, delayed shifts, and harsh shifts
  • Solution: Software update, relearn transmission, or replace transmission
  • Estimated Cost to Fix: $500 - $3,000
  • Recalls: None Found

Suspension

• Rear Leaf Spring Breakage:
  • Description/Symptoms: Broken leaf springs cause the rear of the truck to sag and affect handling
  • Solution: Replace the leaf springs
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: Battery goes dead prematurely
  • Solution: Diagnose and repair electrical components that are causing the drain
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found
• Alternator Failure:
  • Description/Symptoms: Dimming lights, charging system warning light illuminated
  • Solution: Replace the alternator
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Exterior

• Tailgate Lock Actuator Failure:
  • Description/Symptoms: Unable to open or close the tailgate
  • Solution: Replace the tailgate lock actuator
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Interior

• Infotainment System Lag:
  • Description/Symptoms: Slow response times, freezing, and glitches
  • Solution: Software update or replace infotainment system
  • Estimated Cost to Fix: $500 - $1,500
  • Recalls: None Found

Summary

The 2017 GMC Sierra is a capable pickup truck, but it has faced some issues that can impact its reliability and performance. Some of the engine and transmission issues are significant and can be costly to repair. The suspension and electrical issues are less common but can still affect the truck’s functionality. Overall, these issues should be considered before purchasing a 2017 GMC Sierra.