2008 Pontiac Solstice

The 2008 Pontiac Solstice is a sporty two-seater roadster that offered a fun driving experience and distinctive styling. Engine options included a 2.4L naturally aspirated inline-4 producing 177 hp and 166 lb-ft of torque, and a 2.0L turbocharged inline-4 producing 260 hp and 260 lb-ft of torque (GXP Model). Both engines were available with either a 5-speed manual or a 5-speed automatic transmission. Owners often praised the car’s attractive design and agile handling, but some common complaints include limited storage space and some reliability issues.

Engine

2.4L Inline-4

• Timing Chain Issues
  • Description/Symptoms: The timing chain can stretch or fail, leading to engine misfires, rough running, and a check engine light. Often accompanied by a P0008 code.
  • Solution: Replacing the timing chain, tensioner, and guides.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Cam Actuator Solenoid Failure
  • Description/Symptoms: The cam actuator solenoid can fail, leading to poor engine performance, reduced fuel economy, and a check engine light.
  • Solution: Replacing the cam actuator solenoid.
  • Estimated Cost to Fix: $150 - $300
  • Recalls: None Found

2.0L Turbocharged Inline-4 (GXP)

• Turbocharger Failure
  • Description/Symptoms: The turbocharger can fail due to oil starvation or internal damage, resulting in a loss of power, excessive smoke, and unusual noises.
  • Solution: Replacing the turbocharger.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• High Pressure Fuel Pump (HPFP) Failure
  • Description/Symptoms: The HPFP can fail, resulting in poor engine performance, difficulty starting, and a check engine light.
  • Solution: Replacing the HPFP.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Transmission

5-Speed Aisin AR5 Manual Transmission (All Engines)

• Synchro Wear/Grinding Gears
  • Description/Symptoms: Difficulty shifting into certain gears, especially 2nd or 3rd, accompanied by a grinding noise.
  • Solution: Transmission rebuild or replacement, including replacing worn synchros.
  • Estimated Cost to Fix: $1500 - $3500+
  • Recalls: None Found

5-Speed GM 5L40-E Automatic Transmission (All Engines)

• Valve Body Issues/Harsh Shifting
  • Description/Symptoms: Harsh or erratic shifting, slipping between gears, or failure to shift.
  • Solution: Valve body replacement or transmission rebuild.
  • Estimated Cost to Fix: $800 - $3000+
  • Recalls: None Found

Suspension

• Rear Differential Mount Bushing Failure
  • Description/Symptoms: Clunking or banging noise from the rear of the vehicle, especially during acceleration or deceleration.
  • Solution: Replacing the rear differential mount bushings.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Wheel Bearing Failure
  • Description/Symptoms: Humming, grinding, or clicking noise from the wheels that increases with speed.
  • Solution: Replacing the affected wheel bearing.
  • Estimated Cost to Fix: $200 - $500 per wheel
  • Recalls: None Found

Electrical

• Passlock System Issues
  • Description/Symptoms: Vehicle fails to start intermittently, accompanied by a security light on the dashboard. Can be caused by a faulty sensor or wiring issue.
  • Solution: Diagnosing the issue and replacing the faulty sensor, module or rewiring as needed.
  • Estimated Cost to Fix: $200-$600+
  • Recalls: None Found
• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housings, reducing visibility.
  • Solution: Replacing the headlight assembly or resealing the existing assembly.
  • Estimated Cost to Fix: $200 - $600+ per headlight.
  • Recalls: None Found

Exterior

• Convertible Top Issues
  • Description/Symptoms: Difficulty raising or lowering the convertible top, leaks, or damage to the fabric.
  • Solution: Repairing or replacing the hydraulic system, replacing the top fabric.
  • Estimated Cost to Fix: $300 - $2000+
  • Recalls: None Found
• Door Handle Failure
  • Description/Symptoms: The exterior door handle breaks or becomes difficult to use.
  • Solution: Replacing the door handle.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Interior

• Seat Position Sensor Failure
  • Description/Symptoms: The power seat moves on its own and will not stay in the desired position.
  • Solution: Replacing the seat sensor.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Summary The 2008 Pontiac Solstice, especially the GXP model, can be prone to several issues. Engine problems, particularly with the timing chain in the 2.4L and the turbocharger and HPFP in the 2.0L turbo, are common. Transmission issues, both manual and automatic, can be costly to repair. Suspension and electrical problems, while less severe, can also contribute to the overall cost of ownership. Potential buyers should be aware of these potential issues and factor in maintenance costs when considering purchasing this vehicle.