2000 Lexus LS400
2000 Lexus LS400
Overview
The 2000 Lexus LS400 is renowned for its exceptional build quality and long-term reliability, a hallmark of Lexus engineering during that era. Powered by a robust V8 engine and paired with a smooth-shifting transmission, this luxury sedan was designed for comfort and durability. While generally very dependable, like any vehicle, certain components can experience issues over time. This analysis focuses on documented, non-wear-and-tear related problems that owners might encounter, providing insights into potential repairs and their associated costs to help prospective and current owners.
Engine
4.0L V8 (1UZ-FE)
Timing Belt Failure
- Symptoms: Sudden engine stoppage, loss of power, potential for severe internal engine damage if belt breaks.
- Solution: Replacement of timing belt, tensioner, and idler pulleys. Recommended replacement every 90,000 miles or 9 years.
- Cost: $600 - $1000
Oil Leaks (Valve Covers/Cam Seals)
- Symptoms: Visible oil drips under the engine, burning oil smell, low oil level.
- Solution: Replacement of valve cover gaskets and/or cam seal seals.
- Cost: $300 - $600
Transmission
4-Speed Automatic (A340E)
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Suspension
Standard Coil Spring Suspension
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Optional Air Suspension
Air Spring Leaks
- Symptoms: Vehicle sagging on one or more corners, compressor running excessively, harsh ride quality.
- Solution: Replacement of leaking air springs or air compressor.
- Cost: $500 - $1500 per corner (air spring), $400 - $800 (compressor)
Electrical
General Electrical System
Instrument Cluster Failure
- Symptoms: Non-functional gauges (speedometer, tachometer, fuel gauge), warning lights staying on or not illuminating.
- Solution: Repair or replacement of the instrument cluster.
- Cost: $500 - $1200
Window Regulator Failure
- Symptoms: Power windows not operating, slow window movement, grinding noises when operating windows.
- Solution: Replacement of the window regulator mechanism.
- Cost: $200 - $400 per window
Exterior
Body and Paint
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Interior
Upholstery and Trim
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Climate Control System
Blend Door Actuator Failure
- Symptoms: Inability to control temperature (stuck on hot or cold), air only coming from certain vents.
- Solution: Replacement of the blend door actuator(s).
- Cost: $300 - $600
Summary Verdict
The 2000 Lexus LS400 stands as a testament to automotive reliability, with its core mechanical components, particularly the 4.0L V8 engine and 4-speed automatic transmission, exhibiting remarkable durability. Most reported issues are not indicative of systemic flaws but rather age-related wear on specific components like timing belts, seals, and electrical parts such as window regulators and instrument clusters. The optional air suspension is a notable exception, with potential for leaks and compressor issues. Overall, the LS400 remains a highly dependable vehicle, with most potential repairs being manageable and not prohibitively expensive, especially considering its luxury status and longevity.