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2015 GMC Yukon

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By Research the Car 3 min read

Introduction

The 2015 GMC Yukon is a full-size SUV known for its powerful engines, roomy interior, and towing capabilities. It’s available with a choice of three engines: a 5.3L V8, a 6.2L V8, and a 6.6L Duramax diesel V8. Transmission options include a six-speed automatic and an eight-speed automatic.

Owners of the 2015 GMC Yukon generally praise its towing abilities, spacious interior, and comfortable ride. However, some have reported experiencing various issues.

Engine

5.3L V8 with Six-Speed Automatic

  • Engine Stalling
    • Description/Symptoms: The engine randomly stalls while driving or idling.
    • Solution: Replacing the throttle position sensor and reprogramming the engine control module (ECM) may resolve the issue.
  • Oil Leak from Oil Cooler Lines
    • Description/Symptoms: Leaks from the oil cooler lines can occur, leading to low oil levels and potential engine damage if not addressed.
    • Solution: Replacing the oil cooler lines is the recommended solution.

6.2L V8 with Eight-Speed Automatic

  • Exhaust Manifold Bolts Failure
    • Description/Symptoms: The exhaust manifold bolts can fail, causing a ticking or rattling noise.
    • Solution: Replacing the exhaust manifold bolts is required.
  • Transmission Fluid Leak from Coolers
    • Description/Symptoms: Transmission fluid leaks can occur from the coolers, resulting in low fluid levels and potential transmission damage.
    • Solution: Inspecting and replacing the affected coolers will resolve the leak.

6.6L Duramax Diesel V8 with Six-Speed Automatic

  • Diesel Particulate Filter (DPF) Issues
    • Description/Symptoms: Excessive DPF regeneration or clogging can lead to reduced engine power and poor fuel economy.
    • Solution: Cleaning or replacing the DPF may be necessary.
  • Turbocharger Actuator Failure
    • Description/Symptoms: The turbocharger actuator may fail, resulting in reduced boost pressure and sluggish acceleration.
    • Solution: Replacing the turbocharger actuator is the recommended solution.

Transmission

  • Six-Speed Automatic
    • Transmission Slipping
      • Description/Symptoms: The transmission may slip or hesitate during gear changes.
      • Solution: Rebuilding or replacing the transmission may be required. This issue is covered under a recall (NHTSA Campaign Number: 18V726000)
  • Eight-Speed Automatic
    • No Issues Found

Suspension

  • Squeaky Front Suspension
    • Description/Symptoms: Squeaking noises can be heard from the front suspension when driving over bumps or uneven surfaces.
    • Solution: Lubricating or replacing the suspension components can eliminate the noise.

Electrical

  • Battery Discharge
    • Description/Symptoms: The battery may discharge prematurely, leaving the vehicle unable to start.
    • Solution: Inspecting the electrical system for parasitic draws and replacing the battery may solve the issue.
  • Alternator Failure
    • Description/Symptoms: The alternator may fail, resulting in low battery voltage and potential electrical system problems.
    • Solution: Replacing the alternator is required to restore proper electrical function.

Exterior

  • Sunroof Leaks
    • Description/Symptoms: Leaks from the sunroof can occur, leading to water damage in the vehicle’s interior.
    • Solution: Inspecting the sunroof seals and replacing any damaged components is the recommended fix.

Interior

  • Dashboard Rattle
    • Description/Symptoms: Rattles or noises may come from the dashboard area, particularly over rough roads.
    • Solution: Identifying and tightening any loose components in the dashboard may resolve the issue.
  • Rear Entertainment System Malfunctions
    • Description/Symptoms: The rear entertainment system may malfunction, causing issues such as flickering screens or no audio output.
    • Solution: Updating the system software or replacing the affected components may fix the problem.
  • Climate Control Issues
    • Description/Symptoms: The climate control system may not function properly, resulting in incorrect temperature settings or uneven cooling/heating.
    • Solution: Diagnosing and replacing faulty sensors or actuators within the climate control system can restore its functionality.

Summary

Overall, the 2015 GMC Yukon has received generally positive reviews from owners. However, several issues should be considered before making a purchase. The severity and cost of the issues can vary depending on the specific problem and the vehicle’s mileage and condition. Some issues are covered under recalls, while others may require out-of-pocket expenses for repairs. As with any used vehicle, a thorough inspection and maintenance history check is recommended before buying a 2015 GMC Yukon.

GMC, Yukon
GMC Yukon 2015
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