2008 Pontiac G8

2008 Pontiac G8

The 2008 Pontiac G8 was a high-performance sedan offered with a choice of two V8 engines. The base engine was a 3.6-liter V6 with 252 horsepower and 250 lb-ft of torque. The optional engine was a 6.0-liter V8 with 361 horsepower and 391 lb-ft of torque. Both engines were paired with a standard six-speed automatic transmission. Rear-wheel drive was standard, and all-wheel drive was available as an option.

The G8 was praised for its powerful engines, sporty handling, and spacious interior. However, it was also criticized for its poor fuel economy and lack of refinement.

Engine

3.6L V6

• Intake Manifold Gasket Failure
  • Description/Symptoms: Coolant leak, overheating, engine misfires
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: NHTSA Campaign Number: 10V377000

6.0L V8

• Valve Cover Gasket Leak
  • Description/Symptoms: Oil leak from valve covers, burning oil smell
  • Solution: Replace valve cover gaskets
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found
• Exhaust Manifold Gasket Failure
  • Description/Symptoms: Exhaust leak, poor engine performance
  • Solution: Replace exhaust manifold gaskets
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Delayed Engagement
  • Description/Symptoms: Transmission slips or hesitates when shifting
  • Solution: Replace transmission solenoid pack
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure
  • Description/Symptoms: Noises or vibrations, poor handling
  • Solution: Replace front lower control arm bushings
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Rear Shock Absorber Failure
  • Description/Symptoms: Rough ride, poor handling
  • Solution: Replace rear shock absorbers
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery dies prematurely
  • Solution: Diagnose and repair source of battery drain
  • Estimated Cost to Fix: Varies depending on cause
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: Dimming or flickering lights, charging system warning light on
  • Solution: Replace alternator
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Exterior

• Wiper Linkage Failure
  • Description/Symptoms: Wipers stop working or work intermittently
  • Solution: Replace wiper linkage
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Interior

• Power Window Failure
  • Description/Symptoms: Power windows stop working or work intermittently
  • Solution: Replace power window motor or switch
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found

Summary

Overall, the 2008 Pontiac G8 is a powerful and sporty sedan. However, it can be plagued by a variety of issues, including engine leaks, transmission problems, and suspension failures. The severity and cost of these issues can vary, but they can be expensive to repair.