2007 Pontiac G3

Introduction

The 2007 Pontiac G3 was a compact coupe offered with two engine options: a 2.2L Ecotec inline-4 and a 2.4L Ecotec inline-4. The 2.2L engine produced 144 horsepower and 155 lb-ft of torque, while the 2.4L engine produced 164 horsepower and 161 lb-ft of torque. Both engines were paired with a 4-speed automatic transmission.

The G3 was praised for its sporty handling, comfortable interior, and affordable price. However, it was criticized for its lack of power, especially with the 2.2L engine.

Engine

2.2L Ecotec Inline-4

• Intake Manifold Gasket Failure
  • Description/Symptoms: Leaking coolant, overheating, loss of power
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found
• Timing Chain Tensioner Failure
  • Description/Symptoms: Rattling noise from engine, loss of power, check engine light
  • Solution: Replace timing chain tensioner
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

2.4L Ecotec Inline-4

• No Issues Found

Transmission

4-Speed Automatic Transmission

• Shift Solenoid Failure
  • Description/Symptoms: Hard shifting, slipping gears, check engine light
  • Solution: Replace shift solenoid
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Transmission Fluid Leak
  • Description/Symptoms: Leaking transmission fluid, low fluid level, slipping gears
  • Solution: Replace leaking seal or gasket
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Suspension

• Front Strut Mount Bearing Failure
  • Description/Symptoms: Clunking noise from front suspension, poor handling
  • Solution: Replace strut mount bearing
  • Estimated Cost to Fix: $150 - $250+ per side
  • Recalls: None Found
• Rear Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, poor handling, leaking shock absorbers
  • Solution: Replace rear shock absorbers
  • Estimated Cost to Fix: $200 - $400+ per pair
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dim headlights, dead battery, check engine light
  • Solution: Replace alternator
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Dead battery after sitting overnight, slow start, check engine light
  • Solution: Find and repair source of parasitic drain
  • Estimated Cost to Fix: Varies depending on source of drain
  • Recalls: None Found

Exterior

• Door Lock Actuator Failure
  • Description/Symptoms: Door locks not working, door ajar warning light
  • Solution: Replace door lock actuator
  • Estimated Cost to Fix: $100 - $200+ per door
  • Recalls: None Found
• Headlight Switch Failure
  • Description/Symptoms: Headlights not working, dimmer switch not working
  • Solution: Replace headlight switch
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Interior

• Climate Control Failure
  • Description/Symptoms: Air conditioner not working, heater not working, blower motor not working
  • Solution: Diagnose and replace faulty component (e.g., blower motor, control module)
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Instrument Cluster Failure
  • Description/Symptoms: Gauges not working, warning lights not working
  • Solution: Replace instrument cluster
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Summary

The 2007 Pontiac G3 has a range of potential issues, with varying severity and cost. Common problems include intake manifold gasket failure, timing chain tensioner failure, shift solenoid failure, and transmission fluid leaks. The majority of these issues can be repaired for $500 or less, but more severe issues such as alternator failure or instrument cluster failure can be more expensive. Overall, the G3 is a reliable vehicle, but it’s important to be aware of the potential issues before making a purchase.