2003 Chevrolet Blazer

Introduction

The 2003 Chevrolet Blazer is a mid-size SUV that was available with a variety of engine and transmission options. The 4.3L V6 engine produced 190 horsepower and 250 lb-ft of torque, while the 5.3L V8 engine produced 290 horsepower and 325 lb-ft of torque. Both engines were available with a 4-speed automatic transmission or a 5-speed manual transmission. The Blazer was praised for its spacious interior and comfortable ride, but it was also criticized for its poor fuel economy and handling.

Engine

• 4.3L V6
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant or oil leaks from the intake manifold, causing overheating or engine damage.
    • Solution: Replace the intake manifold gasket.
    • Estimated Cost to Fix: $300 - $600+
    • Recalls: None Found
  • Cylinder Head Gasket Failure
    • Description/Symptoms: Coolant leaks into the cylinders, causing overheating and loss of power.
    • Solution: Replace the cylinder head gasket.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found
• 5.3L V8
  • Valve Cover Gasket Leak
    • Description/Symptoms: Oil leaks from the valve cover gaskets, causing engine oil loss.
    • Solution: Replace the valve cover gaskets.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Timing Chain Failure
    • Description/Symptoms: The timing chain stretches or breaks, causing the engine to lose power or run rough.
    • Solution: Replace the timing chain and related components.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Transmission

• 4-Speed Automatic
  • Slipping or Jerking
    • Description/Symptoms: The transmission slips or jerks when shifting gears, causing difficulty accelerating or maintaining speed.
    • Solution: Overhaul or replace the transmission.
    • Estimated Cost to Fix: $1,500 - $3,000+
    • Recalls: None Found
• 5-Speed Manual
  • Grinding Noise When Shifting
    • Description/Symptoms: A grinding noise is heard when shifting gears, indicating worn synchronizers.
    • Solution: Replace the synchronizers.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery Drain * Description/Symptoms: The battery drains quickly, even when the vehicle is turned off. * Solution: Inspect and replace any faulty electrical components, such as the alternator or battery. * Estimated Cost to Fix: $100 - $500+ * Recalls: None Found
• Headlight Switch Failure * Description/Symptoms: The headlight switch fails to turn on the headlights or other electrical components. * Solution: Replace the headlight switch. * Estimated Cost to Fix: $200 - $400+ * Recalls: None Found

Exterior

• No Issues Found

Interior

• Dashboard Rattle * Description/Symptoms: The dashboard rattles or makes noise when the vehicle is in motion. * Solution: Locate and tighten or replace any loose components. * Estimated Cost to Fix: $0 - $200+ * Recalls: None Found

Summary

The 2003 Chevrolet Blazer has a number of potential issues that can affect its engine, transmission, electrical system, and interior. While some of these issues are minor and inexpensive to fix, others can be more serious and costly. It is important to be aware of these potential problems when considering purchasing or owning a Blazer.