2008 Chevrolet Impala

Introduction

The 2008 Chevrolet Impala is a full-size sedan that slots between the smaller Malibu and larger Caprice. It comes standard with a 3.5-liter V6 engine and a four-speed automatic transmission. A 3.9-liter V6 and a 5.3-liter V8 are optional.

The Impala is praised for its spacious cabin, comfortable ride, and affordable price. However, it is criticized for its uninspiring performance and lack of advanced safety features.

Engine

• 3.5-liter V6
  • Excessive Oil Consumption
    • Description/Symptoms: The engine burns excessive amounts of oil, leading to low oil levels and potential engine damage.
    • Solution: Replace the piston rings and valve stem seals.
    • Estimated Cost to Fix: $1,500 - $2,500+
  • Timing Chain Failure
    • Description/Symptoms: The timing chain stretches or breaks, causing the engine to lose timing and potentially damaging the valves.
    • Solution: Replace the timing chain, tensioners, and guides.
    • Estimated Cost to Fix: $1,000 - $1,500
• 3.9-liter V6
  • No Issues Found
• 5.3-liter V8
  • Intake Manifold Gasket Failure
    • Description/Symptoms: The intake manifold gasket fails, causing vacuum leaks, rough idling, and decreased performance.
    • Solution: Replace the intake manifold gasket.
    • Estimated Cost to Fix: $500 - $800
  • AFM System Failure
    • Description/Symptoms: The active fuel management (AFM) system, which shuts down half of the engine cylinders under light load, malfunctions, causing engine misfires, rough idling, and reduced power.
    • Solution: Repair or replace the AFM lifters and camshaft.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: 14070

Transmission

• 4-speed Automatic
  • Shift Solenoid Failure
    • Description/Symptoms: The shift solenoids fail, causing harsh or delayed shifting, slipping gears, and potential transmission failure.
    • Solution: Replace the shift solenoids.
    • Estimated Cost to Fix: $500 - $1,000
• 5-speed Automatic (optional with V8 engine)
  • Input Shaft Seal Leak
    • Description/Symptoms: The input shaft seal leaks transmission fluid, leading to low fluid levels and potential transmission damage.
    • Solution: Replace the input shaft seal.
    • Estimated Cost to Fix: $200 - $500

Suspension

• Front Suspension Control Arm Bushing Failure
  • Description/Symptoms: The front suspension control arm bushings fail, causing clunking noises, poor handling, and premature tire wear.
  • Solution: Replace the control arm bushings.
  • Estimated Cost to Fix: $300 - $500 per side

Electrical

• Battery Terminal Corrosion
  • Description/Symptoms: The battery terminals corrode, causing electrical system problems, such as difficulty starting the car and electrical component failures.
  • Solution: Clean or replace the battery terminals.
  • Estimated Cost to Fix: $50 - $100

Exterior

• Door Handle Breakage
  • Description/Symptoms: The exterior door handles break, making it difficult or impossible to open the doors.
  • Solution: Replace the door handles.
  • Estimated Cost to Fix: $150 - $250 per handle

Interior

• Dashboard Crack
  • Description/Symptoms: The dashboard develops cracks, often near the defroster vents and airbag ports.
  • Solution: Replace the dashboard.
  • Estimated Cost to Fix: $500 - $1,000
• Seat Belt Buckle Malfunction
  • Description/Symptoms: The seat belt buckles fail to engage or release properly.
  • Solution: Replace the seat belt buckles.
  • Estimated Cost to Fix: $200 - $300 per buckle

Summary

The 2008 Chevrolet Impala has several known issues, ranging from mild annoyances to potentially serious problems. Engine and transmission issues are the most common and can be expensive to repair. Suspension and electrical problems are less severe but can still be costly to fix. Interior issues are relatively minor but can impact the overall comfort and appearance of the vehicle. Overall, the Impala is a reliable and affordable sedan, but it is important to be aware of the potential issues before purchasing one.