2005 Pontiac Aztek

The 2005 Pontiac Aztek is a crossover SUV that was known for its polarizing design and versatile interior. The Aztek came standard with a 3.4L LA1 V6 engine producing 185 horsepower and 210 lb-ft of torque, paired with a 4T65E four-speed automatic transmission. What people liked about the Aztek was its spaciousness, comfortable ride, and available features like the camping package. Dislikes often centered around its unconventional styling and perceived reliability issues.

Engine

3.4L LA1 V6

• Intake Manifold Gasket Failure
  • Description/Symptoms: Coolant leak, overheating, rough running engine.
  • Solution: Replace the intake manifold gasket.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Fuel Injector Failure
  • Description/Symptoms: Rough idle, misfires, poor fuel economy, check engine light.
  • Solution: Replace the faulty fuel injector(s).
  • Estimated Cost to Fix: $150 - $300+ per injector
  • Recalls: None Found

Transmission

4T65E Four-Speed Automatic

• Harsh Shifting/Slipping
  • Description/Symptoms: Rough or delayed shifts between gears, transmission slipping, especially between 2nd and 3rd gear. Can be caused by worn valve body.
  • Solution: Valve body replacement/rebuild or complete transmission rebuild/replacement.
  • Estimated Cost to Fix: $400 - $800+ (valve body), $2000 - $4000+ (rebuild/replacement)
  • Recalls: None Found
• Torque Converter Failure
  • Description/Symptoms: Shuddering at low speeds, stalling, transmission overheating.
  • Solution: Torque converter replacement.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Suspension

• Rear Suspension Sag/Weakness
  • Description/Symptoms: Rear of the vehicle sits lower than normal, especially when loaded.
  • Solution: Replace rear shocks or springs.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: Clunking noise from the front suspension, especially over bumps.
  • Solution: Replace strut mounts.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Electrical

• Body Control Module (BCM) Issues
  • Description/Symptoms: Intermittent electrical problems, such as power windows not working, door locks malfunctioning, or issues with the security system.
  • Solution: BCM reprogramming or replacement.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Headlight/Taillight Bulb Socket Corrosion
  • Description/Symptoms: Lights not working, flickering lights.
  • Solution: Clean or replace corroded sockets.
  • Estimated Cost to Fix: $50 - $200+
  • Recalls: None Found

Exterior

• Liftgate Strut Failure
  • Description/Symptoms: Liftgate won’t stay open or is difficult to open.
  • Solution: Replace liftgate struts.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Interior

• Power Window Regulator Failure
  • Description/Symptoms: Power windows not working or moving slowly.
  • Solution: Replace power window regulator.
  • Estimated Cost to Fix: $200 - $400+ per window
  • Recalls: None Found

Summary

The 2005 Pontiac Aztek, while uniquely styled, faced several common issues. Engine problems like intake manifold gasket leaks and fuel injector failures could lead to moderate repair costs. The 4T65E transmission was prone to harsh shifting and torque converter issues, potentially resulting in more significant expenses. Suspension and electrical problems, while less costly, could still impact the overall ownership experience. Although issues vary in severity, it’s important to inspect any potential Aztek purchase carefully and be prepared for potential repairs, especially given the vehicle’s age.