2002 Buick LeSabre

Introduction:

The 2002 Buick LeSabre is a full-size luxury sedan known for its spacious cabin, comfortable ride, and affordable price tag. It comes with a standard 3.8L V6 engine producing 205 horsepower and 230 lb-ft of torque. A 3.8L supercharged V6 engine is available, producing 240 horsepower and 280 lb-ft of torque. Both engines are paired with a 4-speed automatic transmission. Drivers appreciate the LeSabre’s roomy interior, quiet cabin, and smooth handling, while some criticize its uninspired design and dated technology.

Engine

• 3.8L V6
  • Intake Manifold Gasket Failure:
    • Description/Symptoms: Coolant leaks, overheating, engine misfires
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $300 - $600
    • Recalls: None Found
  • Valve Cover Gasket Leak:
    • Description/Symptoms: Oil leaks from valve cover area
    • Solution: Replace valve cover gasket
    • Estimated Cost to Fix: $150 - $300
    • Recalls: None Found
  • Timing Chain Failure (Early Production Only):
    • Description/Symptoms: Engine rattling, loss of power, check engine light
    • Solution: Replace timing chain and related components
    • Estimated Cost to Fix: $1,500 - $3,000+
    • Recalls: None Found
• 3.8L Supercharged V6
  • Intercooler Pump Failure:
    • Description/Symptoms: Reduced engine power, overheating, check engine light
    • Solution: Replace intercooler pump
    • Estimated Cost to Fix: $500 - $800
    • Recalls: None Found
  • Supercharger Belt Failure:
    • Description/Symptoms: Screeching noise from engine bay, loss of power
    • Solution: Replace supercharger belt
    • Estimated Cost to Fix: $150 - $300
    • Recalls: None Found

Transmission

• 4-Speed Automatic Transmission
  • Shift Solenoid Failure:
    • Description/Symptoms: Transmission slipping or not shifting properly
    • Solution: Replace shift solenoid
    • Estimated Cost to Fix: $300 - $800
    • Recalls: None Found
  • Torque Converter Failure:
    • Description/Symptoms: Transmission overheating, shuddering, slipping
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure:
  • Description/Symptoms: Loose steering, clunking/rattling noise over bumps
  • Solution: Replace control arm bushings
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Rear Shock Absorber Failure:
  • Description/Symptoms: Bouncy ride, poor handling, bottoming out
  • Solution: Replace shock absorbers
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Electrical

• Battery Draining Issue:
  • Description/Symptoms: Battery dies prematurely
  • Solution: Diagnose and repair electrical system, replace battery if necessary
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found
• Alternator Failure:
  • Description/Symptoms: Dim headlights, electrical system not functioning properly
  • Solution: Replace alternator
  • Estimated Cost to Fix: $400 - $700
  • Recalls: None Found

Exterior

• Headlight Switch Failure:
  • Description/Symptoms: Headlights not working, intermittent operation
  • Solution: Replace headlight switch
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found

Interior

• Heater/AC Blower Motor Failure:
  • Description/Symptoms: No air flow from vents, excessive noise
  • Solution: Replace blower motor
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Radio Display Failure:
  • Description/Symptoms: Display not working, intermittent operation
  • Solution: Replace radio display unit
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Summary:

The 2002 Buick LeSabre is generally considered a reliable vehicle, but like any car, it is not without its potential issues. Engine problems, particularly with the 3.8L V6, are the most common, with timing chain failures being the most severe and expensive to repair. Transmission issues are less frequent but can also be costly. Suspension and electrical problems are relatively minor and cost-effective to fix. Interior problems are limited to a few specific components, with no major concerns regarding overall quality or durability. Overall, the LeSabre remains a solid choice for those seeking a comfortable and spacious sedan, but it is important to be aware of the potential issues it may present.