2005 Chevrolet Trailblazer EXT

Introduction

The 2005 Chevrolet Trailblazer EXT is a midsize SUV with rugged off-road capabilities. It is available with a variety of engine and transmission options, including a 4.2L inline-6, a 5.3L V8, and a 6-speed automatic transmission. The Trailblazer EXT is praised for its powerful engines, spacious interior, and rugged exterior. However, it has also been plagued by several issues over the years.

Engine

4.2L Inline-6

• Intake Manifold Gasket Leak:
  • Description/Symptoms: Coolant leak, reduced engine power, rough idle
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

5.3L V8

• Valve Cover Gasket Leak:
  • Description/Symptoms: Oil leak, engine noise
  • Solution: Replace valve cover gasket
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Camshaft Position Sensor Failure:
  • Description/Symptoms: Engine misfires, reduced engine power
  • Solution: Replace camshaft position sensor
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Fuel Injector Failure:
  • Description/Symptoms: Engine misfires, hard starting
  • Solution: Replace fuel injector
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

Transmission

6-Speed Automatic Transmission

• Solenoid Failure:
  • Description/Symptoms: No power in certain gears, shifting problems
  • Solution: Replace solenoid
  • Estimated Cost to Fix: $600 - $1200+
  • Recalls: None Found
• TCC Solenoid Failure:
  • Description/Symptoms: Torque converter shudder, loss of power
  • Solution: Replace TCC solenoid
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure:
  • Description/Symptoms: Noise and vibration, poor handling
  • Solution: Replace lower control arm bushings
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Rear Leaf Spring Sagging:
  • Description/Symptoms: Rear end sagging, reduced ride height
  • Solution: Replace leaf springs
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Electrical

• Battery Failure:
  • Description/Symptoms: No power, difficulty starting
  • Solution: Replace battery
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Exterior

• Third Brake Light Failure:
  • Description/Symptoms: No third brake light illumination
  • Solution: Replace third brake light assembly
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Interior

• Instrument Cluster Failure:
  • Description/Symptoms: Gauges and indicators not functioning
  • Solution: Replace instrument cluster
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Steering Wheel Controls Failure:
  • Description/Symptoms: No response from steering wheel buttons
  • Solution: Replace steering wheel control module
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Summary

The 2005 Chevrolet Trailblazer EXT has a number of issues that can be costly to repair. The most common issues include engine leaks, transmission problems, and suspension failures. While the Trailblazer EXT is a capable SUV, it is important to be aware of these issues before purchasing one.