2002 Lexus RX300

Posted Feb 27, 2026

By Research the Car 2 min read

2002 Lexus RX300

Overview

The 2002 Lexus RX300 is a well-regarded luxury compact SUV known for its comfortable ride and upscale interior. As a first-generation model, it generally exhibits strong reliability, a hallmark of the Lexus brand. While most owners report a positive ownership experience with minimal unexpected repairs, certain components can experience issues as the vehicle ages. This analysis focuses on common mechanical and electrical concerns beyond routine maintenance, providing insights into potential repair areas and associated costs for this model year.

Engine

3.0L V6 (1MZ-FE)

Oil Leaks (Valve Cover Gaskets, Cam Seals)

Symptoms: Visible oil on the engine block, burning oil smell, low oil level.
Solution: Replacement of valve cover gaskets and/or cam seals.
Cost: $300 - $600

Timing Belt Replacement

Symptoms: While not a failure, this is a critical maintenance item. Failure to replace can lead to catastrophic engine damage.
Solution: Replacement of timing belt, tensioner, and water pump.
Cost: $600 - $1000

Mass Airflow Sensor (MAF) Issues

Symptoms: Rough idle, stalling, poor acceleration, check engine light.
Solution: Cleaning or replacement of the MAF sensor.
Cost: $150 - $300

Transmission

4-Speed Automatic (A541E)

Transmission Fluid Leaks

Symptoms: Leaking fluid from transmission pan or lines, harsh shifting, slipping gears.
Solution: Repair or replacement of seals, gaskets, or transmission lines.
Cost: $200 - $500

Slipping or Delayed Shifting

Symptoms: Engine revs up without engaging gear, delayed engagement when shifting from Park to Drive/Reverse.
Solution: Transmission fluid and filter service, or internal transmission repair.
Cost: $400 - $1500+

Suspension

Standard Independent Suspension

Strut Mount Bearing Failure

Symptoms: Clunking or popping noise when turning the steering wheel, especially at low speeds.
Solution: Replacement of strut mount bearings.
Cost: $200 - $400

Worn Control Arm Bushings

Symptoms: Clunking noises over bumps, vague steering feel, uneven tire wear.
Solution: Replacement of control arm bushings or entire control arm assembly.
Cost: $300 - $600

Electrical

General Electrical System

Power Window Motor Failure

Symptoms: Window not moving up or down, clicking noise from the door panel.
Solution: Replacement of the power window motor and regulator.
Cost: $250 - $450

Alternator Failure

Symptoms: Dimming headlights, battery warning light illuminated, difficulty starting.
Solution: Replacement of the alternator.
Cost: $400 - $700

HVAC Blower Motor Resistor

Symptoms: HVAC fan only works on the highest setting, or not at all.
Solution: Replacement of the blower motor resistor.
Cost: $100 - $200

Exterior

Body and Trim

No widespread issues reported.

Symptoms: N/A
Solution: N/A
Cost: Varies

Interior

Cabin Components

No widespread issues reported.

Symptoms: N/A
Solution: N/A
Cost: Varies

Summary Verdict

The 2002 Lexus RX300 is a highly reliable vehicle, especially for its age. The most common issues tend to be related to age-induced wear on components like gaskets, seals, and suspension parts, as well as standard maintenance items such as the timing belt. Electrical components like alternators and window motors can also fail over time. However, major powertrain failures are uncommon. With regular maintenance and addressing minor issues promptly, the RX300 can continue to provide dependable service.

Lexus, RX300

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