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2009 Chevrolet Suburban 1500

2009 Chevrolet Suburban 1500

Overview

The 2009 Chevrolet Suburban 1500 is a full-size SUV known for its spacious interior and towing capabilities. As a model from the late 2000s, it generally exhibits solid reliability, particularly with its robust V8 powertrains. However, like any vehicle of this age, certain components may experience wear or specific issues. This analysis focuses on common reported problems beyond routine maintenance, providing insights into potential areas of concern for owners and prospective buyers. We will examine the primary mechanical systems, including the engine and transmission, as well as other significant aspects like suspension, electrical, exterior, and interior components.


Engine

5.3L V8 (RPO: LMG/LY5)

Active Fuel Management (AFM) System Issues

  • Symptoms: Engine misfires, rough idling, reduced power, oil consumption, check engine light.
  • Solution: Repair or replacement of AFM lifters, oil pump, or related components. Deactivation of AFM via aftermarket module is also an option.
  • Cost: $800 - $2,500

Intake Manifold Gasket Leaks

  • Symptoms: Coolant leaks, rough idle, potential engine overheating.
  • Solution: Replacement of the intake manifold gaskets.
  • Cost: $400 - $800

6.0L V8 (RPO: L76)

Active Fuel Management (AFM) System Issues

  • Symptoms: Engine misfires, rough idling, reduced power, oil consumption, check engine light.
  • Solution: Repair or replacement of AFM lifters, oil pump, or related components. Deactivation of AFM via aftermarket module is also an option.
  • Cost: $800 - $2,500

Transmission

4-Speed Automatic (4L60-E)

Torque Converter Issues

  • Symptoms: Slipping, shuddering, delayed engagement, P0741 code.
  • Solution: Rebuild or replacement of the torque converter and potentially the transmission.
  • Cost: $1,200 - $3,000

Transmission Fluid Leaks

  • Symptoms: Leaking fluid, shifting problems, overheating.
  • Solution: Repair or replacement of seals, gaskets, or cooler lines.
  • Cost: $300 - $700

6-Speed Automatic (6L80-E)

Harsh Shifting / Delayed Engagement

  • Symptoms: Jerky shifts, difficulty engaging gears, transmission warning light.
  • Solution: Software updates, transmission fluid flush, or internal transmission repairs.
  • Cost: $500 - $2,000

Suspension

Standard Chassis

Worn Ball Joints and Control Arm Bushings

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

Rear Air Suspension Compressor Failure (if equipped)

  • Symptoms: Vehicle sagging in the rear, compressor not running, warning light.
  • Solution: Replacement of the rear air suspension compressor and potentially air springs.
  • Cost: $700 - $1,500

Electrical

General Electrical System

Faulty Window Regulators

  • Symptoms: Power windows not working, slow operation, grinding noises.
  • Solution: Replacement of the window regulator and motor assembly.
  • Cost: $200 - $400

Trailer Brake Controller Malfunctions

  • Symptoms: Trailer brakes not engaging or engaging erratically, warning lights.
  • Solution: Diagnosis and repair or replacement of the trailer brake controller module.
  • Cost: $300 - $600

Exterior

Body Panels 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

Summary Verdict

The 2009 Chevrolet Suburban 1500 is a capable and generally reliable large SUV, especially when equipped with the 5.3L or 6.0L V8 engines. The most common significant issues tend to revolve around the Active Fuel Management (AFM) system, which can lead to oil consumption and engine performance problems if not addressed. Transmission issues, particularly with the 4L60-E, can include torque converter problems and leaks. Suspension components like ball joints and bushings are subject to wear, as expected for a vehicle of this size and age. Electrical issues are less common but can include window regulators. Overall, with proper maintenance and attention to potential AFM and transmission concerns, the 2009 Suburban 1500 can provide dependable service.

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