2009 GMC Yukon

2009 GMC Yukon

Overview

The 2009 GMC Yukon is a full-size SUV known for its robust build and comfortable ride, offering a blend of utility and passenger space. It was available with several powerful engine and transmission options, catering to different needs from towing to daily commuting. While generally considered reliable, like any vehicle of its age, certain components may experience issues over time. This analysis focuses on documented common problems beyond standard maintenance, providing insights into potential areas of concern for owners and prospective buyers of the 2009 model year.

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Engine

5.3L V8 (Active Fuel Management)

Active Fuel Management (AFM) System Failure

• Symptoms: Engine misfires, rough idling, check engine light, oil consumption, lifter noise.
• Solution: Deactivation of AFM system, replacement of lifters, camshaft, or oil pump.
• Cost: $1,500 - $3,500

Oil Consumption

• Symptoms: Low oil level between changes, blue smoke from exhaust.
• Solution: Piston ring replacement, PCV system check and replacement, valve stem seal replacement.
• Cost: $1,000 - $2,500

6.0L V8

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

6.2L V8

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Transmission

6-Speed Automatic (6L80/6L90)

Torque Converter Issues

• Symptoms: Shuddering, slipping, delayed engagement, harsh shifting.
• Solution: Torque converter replacement.
• Cost: $800 - $1,800

Transmission Fluid Leaks

• Symptoms: Leaking fluid from seals or lines, low fluid level.
• Solution: Replacement of seals, gaskets, or transmission lines.
• Cost: $300 - $700

Suspension

Standard Chassis

Worn Ball Joints and Control Arm Bushings

• Symptoms: Clunking noises over bumps, poor handling, uneven tire wear.
• Solution: Replacement of ball joints and control arm bushings.
• Cost: $500 - $1,000

Autoride Suspension (if equipped)

Air Compressor Failure

• Symptoms: Vehicle sagging, loss of ride height adjustment, compressor not engaging.
• Solution: Replacement of the air compressor.
• Cost: $600 - $1,200

Air Spring Leaks

• Symptoms: Vehicle sagging on one corner, loss of ride height.
• Solution: Replacement of air springs.
• Cost: $400 - $800 per corner

Electrical

General Electrical System

Power Window Motor Failure

• Symptoms: Window not operating, slow operation, clicking noises.
• Solution: Replacement of power window motor and regulator.
• Cost: $200 - $400 per window

Infotainment System Glitches

• Symptoms: Screen freezing, unresponsive touch controls, audio issues.
• Solution: Software update or replacement of the infotainment unit.
• Cost: $500 - $1,500

Exterior

Body and Trim

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Interior

Cabin Components

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

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Summary Verdict

The 2009 GMC Yukon is a capable and generally reliable full-size SUV. The most commonly reported significant issues revolve around the 5.3L V8 engine’s Active Fuel Management (AFM) system, which can lead to lifter noise, oil consumption, and misfires. Transmission issues, particularly with the torque converter, are also noted. For models equipped with the Autoride suspension, air compressor and air spring failures can occur. Electrical issues like power window motors and infotainment glitches are present but typically manageable. With proper maintenance and attention to potential AFM and suspension concerns, the 2009 Yukon can remain a dependable vehicle.