2009 Pontiac Montana

The 2009 Pontiac Montana, a minivan aimed at families, offered a comfortable ride and ample cargo space, which were key selling points for many owners. However, it also faced criticisms regarding its dated styling and less-than-stellar fuel economy compared to competitors. The sole engine option for this model year was a 3.9L V6 engine, producing approximately 240 horsepower and 240 lb-ft of torque, paired with a 4-speed automatic transmission.

Engine

3.9L V6

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption between oil changes. This can manifest as the need to add oil more frequently than usual.
  • Solution: Regular monitoring of oil levels and addressing any leaks are essential. In severe cases, piston ring replacement or engine overhaul may be necessary.
  • Estimated Cost to Fix: $1,500 - $4,000+
  • Recalls: None Found
• Intake Manifold Gasket Failure
  • Description/Symptoms: Coolant leak and/or a rough idle are common symptoms. Also may show up as the check engine light is on.
  • Solution: Replacement of the intake manifold gasket.
  • Estimated Cost to Fix: $300-$600
  • Recalls: None Found

Transmission

4-Speed Automatic

• Harsh Shifting/Slipping
  • Description/Symptoms: Delayed or rough shifting between gears, or the transmission slipping out of gear, particularly when accelerating.
  • Solution: Fluid flush and filter change may resolve minor issues. However, a faulty valve body or worn clutches often necessitate a transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 (fluid change) to $2,500 - $4,500 (rebuild/replacement)
  • Recalls: None Found

Suspension

• Premature Strut/Shock Failure
  • Description/Symptoms: Bouncy ride, excessive body roll when cornering, and uneven tire wear.
  • Solution: Replacement of worn struts and shocks.
  • Estimated Cost to Fix: $300-$800
  • Recalls: None Found
• Rear Suspension Sag
  • Description/Symptoms: The rear of the vehicle sits lower than normal, especially when loaded. Can cause handling issues.
  • Solution: Replacement of worn coil springs.
  • Estimated Cost to Fix: $200-$500
  • Recalls: None Found

Electrical

• Power Door Lock Issues
  • Description/Symptoms: Intermittent or complete failure of the power door locks.
  • Solution: Replacing the faulty door lock actuator.
  • Estimated Cost to Fix: $150 - $300 per door
  • Recalls: None Found
• Power Window Motor Failure
  • Description/Symptoms: Window fails to go up or down, or moves slowly and erratically.
  • Solution: Replacing the faulty window motor.
  • Estimated Cost to Fix: $200 - $400 per window
  • Recalls: None Found

Exterior

• Sliding Door Cable Failure
  • Description/Symptoms: The sliding doors (if equipped) become difficult or impossible to open or close.
  • Solution: Replacement of the sliding door cables or the entire door mechanism.
  • Estimated Cost to Fix: $200 - $800 per door
  • Recalls: None Found

Interior

• HVAC Blower Motor Resistor Failure
  • Description/Symptoms: The blower motor only works on certain speeds, or not at all.
  • Solution: Replacing the blower motor resistor.
  • Estimated Cost to Fix: $100 - $250
  • Recalls: None Found
• Instrument Cluster Issues
  • Description/Symptoms: Gauges failing to read correctly, or the cluster flickering/dying.
  • Solution: Repair or replacement of the instrument cluster.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Summary

The 2009 Pontiac Montana, while generally reliable, had a few common issues that owners should be aware of. Engine issues like excessive oil consumption and intake manifold gasket leaks can be costly to repair. Electrical problems, such as power door lock and window motor failures, are also prevalent. Transmission issues, while less common, can be significant. Overall, the cost of repairs can range from a few hundred dollars for minor fixes to several thousand for more extensive engine or transmission work. Prospective buyers should thoroughly inspect the vehicle and address any known issues before purchasing.