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2009 Volvo S40

2009 Volvo S40

Overview

The 2009 Volvo S40, a compact executive car, generally presents a respectable reliability record, particularly for its era. It’s known for its solid build quality and safety features, which were hallmarks of Volvo. While not entirely immune to issues, most problems reported are not widespread or catastrophic, often relating to specific components rather than systemic failures. Owners generally find the S40 to be a dependable vehicle, with maintenance costs being relatively moderate when compared to some luxury competitors. However, like any vehicle of this age, proactive maintenance and addressing minor issues promptly are key to ensuring long-term reliability and enjoyment.


Engine

2.4L Naturally Aspirated (B5244S4)

Oil Leaks

  • Symptoms: Visible oil on the engine block, low oil level warnings, burning oil smell.
  • Solution: Replacement of seals and gaskets (e.g., valve cover gasket, oil pan gasket).
  • Cost: $300 - $700

PCV System Clog

  • Symptoms: Rough idle, increased oil consumption, engine misfires, potential for oil leaks.
  • Solution: Cleaning or replacement of the Positive Crankcase Ventilation (PCV) system components.
  • Cost: $400 - $800

2.5L Turbocharged (T5 - B5254T3)

Turbocharger Issues

  • Symptoms: Loss of power, whistling noises from the engine bay, excessive smoke from exhaust.
  • Solution: Repair or replacement of the turbocharger unit.
  • Cost: $1200 - $2500

PCV System Clog

  • Symptoms: Rough idle, increased oil consumption, engine misfires, potential for oil leaks.
  • Solution: Cleaning or replacement of the Positive Crankcase Ventilation (PCV) system components.
  • Cost: $400 - $800

Transmission

5-Speed Automatic (AW55-50SN)

Harsh Shifting / Slipping

  • Symptoms: Jerky gear changes, delayed engagement, slipping between gears.
  • Solution: Transmission fluid and filter change, solenoid replacement, or full transmission rebuild.
  • Cost: $500 - $2500

6-Speed Manual

No widespread issues reported.

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

Suspension

Standard Chassis

Worn Control Arm Bushings

  • Symptoms: Clunking noises over bumps, vague steering feel, uneven tire wear.
  • Solution: Replacement of front control arm bushings.
  • Cost: $300 - $600

Worn Struts/Shocks

  • Symptoms: Bouncy ride, excessive body roll, reduced handling.
  • Solution: Replacement of front or rear struts/shocks.
  • Cost: $500 - $900

Electrical

Body Control Module (BCM)

Intermittent Electrical Faults

  • Symptoms: Malfunctioning power windows, interior lights, central locking issues, dashboard warning lights.
  • Solution: Diagnosis and potential reprogramming or replacement of the BCM.
  • Cost: $600 - $1200

ABS Module

ABS/Traction Control Warning Lights

  • Symptoms: Illuminated ABS and/or traction control warning lights on the dashboard.
  • Solution: Diagnosis and potential repair or replacement of the ABS module.
  • Cost: $700 - $1500

Exterior

Body Panels & Trim

No widespread issues reported.

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

Headlights

Condensation / Fogging

  • Symptoms: Moisture buildup inside headlight housings.
  • Solution: Sealing headlight assembly or replacement.
  • Cost: $100 - $400

Interior

Climate Control System

HVAC Blower Motor Resistor Failure

  • Symptoms: Fan only works on highest setting, or not at all.
  • Solution: Replacement of the blower motor resistor.
  • Cost: $150 - $300

Seats & Upholstery

No widespread issues reported.

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

Summary Verdict

The 2009 Volvo S40 is a generally reliable vehicle, with its most common issues stemming from the PCV system in both engine variants and potential transmission problems in the automatic gearbox. Turbocharger issues can be a concern for the T5 models, but are not universally reported. Electrical gremlins, particularly related to the BCM and ABS module, can occur but are not endemic. Suspension components like bushings and shocks may require attention due to age and mileage. Overall, with regular maintenance and prompt attention to reported issues, the S40 can be a dependable and safe choice.

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