Post
Research the Car Logo

2008 Lexus GX470

Posted
By Research the Car 2 min read

2008 Lexus GX470

Overview

The 2008 Lexus GX470 is a luxury mid-size SUV known for its robust build quality and off-road capability, largely inherited from its Toyota Land Cruiser Prado underpinnings. It features a powerful V8 engine and a reliable drivetrain, making it a popular choice for those seeking durability and comfort. While generally well-regarded for its longevity, like any vehicle, it has specific areas that owners and mechanics have noted for potential issues. This analysis focuses on documented technical reliability concerns beyond routine maintenance, providing insights into common problems and their potential resolutions.

Engine

4.7L V8 (2UZ-FE)

Timing Belt Replacement

  • Symptoms: While not a failure, this is a critical maintenance item. Neglecting it can lead to catastrophic engine damage.
  • Solution: Scheduled replacement every 90,000 miles.
  • Cost: $600 - $1000

Oil Leaks (Valve Covers/Oil Pan)

  • Symptoms: Visible oil drips, burning oil smell, low oil level.
  • Solution: Replacement of valve cover gaskets or oil pan gasket.
  • Cost: $300 - $700

Coolant Leaks (Lower Intake Manifold)

  • Symptoms: Coolant loss, white smoke from exhaust, engine overheating, milky oil.
  • Solution: Replacement of intake manifold gaskets.
  • Cost: $500 - $900

Transmission

5-Speed Automatic (A750F)

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: No widespread issues reported.

Suspension

Kinetic Dynamic Suspension System (KDSS)

Hydraulic Leaks/Pump Failure

  • Symptoms: Stiff steering, uneven ride height, warning lights, clunking noises.
  • Solution: Repair or replacement of hydraulic lines, pump, or accumulators.
  • Cost: $800 - $2000+

Adjustable Height Air Suspension (Rear)

Air Leaks/Compressor Failure

  • Symptoms: Vehicle sagging in the rear, loss of adjustable ride height, compressor running constantly.
  • Solution: Replacement of air springs, lines, or compressor.
  • Cost: $500 - $1500

Electrical

Body Control Module (BCM)

Intermittent Electrical Gremlins

  • Symptoms: Various non-critical electrical issues like malfunctioning power windows, interior lights, or infotainment system.
  • Solution: Diagnosis and potential reprogramming or replacement of the BCM.
  • Cost: $500 - $1200

Alternator

Failure

  • Symptoms: Battery warning light, dimming lights, starting issues, dead battery.
  • Solution: Replacement of the alternator.
  • Cost: $400 - $700

Exterior

Body Panels & Paint

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: No widespread issues reported.

Interior

Leather Upholstery

Wear on Driver’s Seat Bolster

  • Symptoms: Cracking or tearing on the outer edge of the driver’s seat.
  • Solution: Repair or replacement of seat cover.
  • Cost: $300 - $800

Outdated Maps/Slow Performance

  • Symptoms: Inaccurate directions, slow response times, inability to find newer roads.
  • Solution: Map updates (often costly) or aftermarket navigation integration.
  • Cost: $150 - $400 (for updates)

Summary Verdict

The 2008 Lexus GX470 is a highly reliable vehicle, particularly praised for its robust powertrain and durable construction. The primary areas of concern tend to be related to its advanced suspension systems (KDSS and air suspension), which, while offering excellent ride quality and capability, can become costly to repair if components fail. Engine-related issues are generally minor, often involving leaks that are typical for higher-mileage vehicles, with the critical timing belt requiring diligent adherence to maintenance schedules. Electrical components and interior wear are also relatively uncommon, contributing to the GX470’s reputation as a dependable luxury SUV that holds its value well, provided it has been maintained properly.

Lexus, GX470
Lexus GX470 2008
This post is licensed under CC BY 4.0 by the author.