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2002 Lexus LX470

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By Research the Car 4 min read

The 2002 Lexus LX470 is a full-size luxury SUV known for its off-road capabilities, reliability, and comfortable ride. It came standard with a 4.7-liter 2UZ-FE V8 engine producing 235 horsepower and 320 lb-ft of torque, paired with a 4-speed automatic transmission. Owners often praise its robust build quality, smooth ride, and luxurious features. Common complaints include its relatively poor fuel economy and dated technology compared to newer SUVs.

Engine

4.7L 2UZ-FE V8

  • Valve Cover Gasket Leaks
    • Description/Symptoms: Oil leaks from the valve cover gaskets, resulting in a burning oil smell and visible oil on the engine.
    • Solution: Replace the valve cover gaskets.
    • Estimated Cost to Fix: $200 - $400
  • Timing Belt Replacement
    • Description/Symptoms: The timing belt needs to be replaced at regular intervals (typically every 90,000 miles) to prevent catastrophic engine damage if it breaks. Symptoms of an overdue timing belt replacement can include a ticking noise from the engine.
    • Solution: Replace the timing belt, water pump, tensioner, and idler pulleys.
    • Estimated Cost to Fix: $600 - $1000+
  • Oil Leaks
    • Description/Symptoms: The oil pan gasket and rear main seal are prone to leaking. Symptoms include oil spots under the vehicle and lower oil levels.
    • Solution: Replace the leaking gasket or seal.
    • Estimated Cost to Fix: $300 - $800+

Transmission

A343F 4-Speed Automatic

  • Shift Solenoid Failure
    • Description/Symptoms: Erratic shifting, failure to shift into certain gears, or harsh shifting.
    • Solution: Replace the faulty shift solenoid(s).
    • Estimated Cost to Fix: $300 - $600+

Suspension

  • Adjustable Height Control (AHC) System Issues
    • Description/Symptoms: The AHC system can fail, causing the vehicle to sag on one or more corners, ride harshly, or fail to adjust height. This is a common issue, especially in older models.
    • Solution: Diagnose the specific issue (leaking accumulators, faulty height sensors, or a failing pump) and replace the necessary components. Some owners opt to convert to a standard suspension system, for its reliability and affordability.
    • Estimated Cost to Fix: $500 - $2000+ (depending on the component and whether it’s repaired or replaced)
  • Lower Control Arm Bushings
    • Description/Symptoms: Worn lower control arm bushings can cause clunking noises, wandering steering, and uneven tire wear.
    • Solution: Replace the lower control arm bushings or the entire lower control arm.
    • Estimated Cost to Fix: $300 - $800+
  • CV Axles
    • Description/Symptoms: Torn CV axle boots that fling grease around the wheel wells. Can cause clicking sounds from the front axles when turning.
    • Solution: Replace the CV axles or rebuild them by replacing the boots and grease.
    • Estimated Cost to Fix: $200 - $600+

Electrical

  • Power Antenna Failure
    • Description/Symptoms: The power antenna may fail to extend or retract, or it may become stuck in one position.
    • Solution: Replace the power antenna motor or the entire antenna assembly.
    • Estimated Cost to Fix: $150 - $400+
  • Instrument Cluster Light Bulbs
    • Description/Symptoms: Light bulbs in the instrument cluster will burn out over time.
    • Solution: Replace the light bulbs.
    • Estimated Cost to Fix: $5 - $50+
  • Starter Motor
    • Description/Symptoms: Vehicle will not start and a clicking sound will be heard when trying to start the vehicle.
    • Solution: Replace the starter motor.
    • Estimated Cost to Fix: $200 - $400+

Exterior

  • Rust on Undercarriage
    • Description/Symptoms: Rust is a common issue, especially in areas with road salt. Inspect the frame rails, suspension components, and exhaust system.
    • Solution: Apply rust inhibitor coatings. Severe rust may require welding or frame replacement.
    • Estimated Cost to Fix: $100 - $2000+ (depending on severity)
  • Headlight Housing Clouding/Yellowing
    • Description/Symptoms: UV damage to the headlight housing.
    • Solution: Polish the headlight housing or replace the headlight.
    • Estimated Cost to Fix: $20 - $50+ for polishing, $200 - $400+ for replacement

Interior

  • Navigation System Failure
    • Description/Symptoms: The navigation system may fail to boot, display incorrect information, or become unresponsive.
    • Solution: Replace or repair the navigation system unit.
    • Estimated Cost to Fix: $300 - $1000+
  • Sunroof Issues
    • Description/Symptoms: The sunroof may become stuck, fail to open or close properly, or leak.
    • Solution: Lubricate the sunroof tracks, repair the motor, or replace the entire sunroof assembly.
    • Estimated Cost to Fix: $50 - $500+

Recalls

  • None Found

Summary

The 2002 Lexus LX470 is a generally reliable vehicle but is prone to certain issues due to its age. Suspension and electrical problems, particularly with the AHC system, are common and can be costly to repair. Engine and transmission issues are less frequent but can still occur. Rust can be a significant concern, especially in colder climates. Potential buyers should thoroughly inspect these areas before purchasing and factor in the cost of potential repairs.

Lexus, LX470
Lexus LX470 2002
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