Latest Guides
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Lexus GX Fluids Guide: What Goes Where, How Much, and When to Change It
Every GX has eight fluids that keep it alive. This guide lists all of them for the GX470 and the GX460: the exact factory spec, how much each one takes, and when to change it. A GX550 section at the end covers what the 2024 warranty guide confirms. Every number below comes from the factory…
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GX Transmission Fluid Service: the Sealed WS Drain-and-Fill, the Flush Debate, and Shudder
Your GX has no transmission dipstick (the 2003 GX470 may still have one; see the note in the procedure section). The fluid is Toyota WS, and Lexus calls it lifetime fluid. None of that means you cannot service it, and none of it means you should ignore it. This guide covers the procedure, the argument…
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Does the Lexus GX Require Premium Gas? Real-World MPG for GX470, GX460, and GX550
Quick Answer GX470 (2003 to 2009) GX460 (2010 to 2023) GX550 (2024+) Engine 4.7L V8 (2UZ-FE)1 4.6L V8 (1UR-FE)2 3.4L twin-turbo V6 (V35A-FTS)3 Minimum octane 87 AKI (2003 to 2005); 91 AKI for optimum performance (2006 to 2009) 87 AKI (temporary only) 91 AKI Recommended 91 AKI for best performance 91 AKI 91 AKI or…
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KDSS Explained: What It Is, Whether You Want It, and How to Check It
A practical guide to the Kinetic Dynamic Suspension System on the Lexus GX: GX470 (2003 through 2009) and GX460 (2010 through 2023). How it works, how to spot it on a truck, the GX lean, maintenance, lift considerations, and what to check before you buy. Includes a short verified note on GX550 E-KDSS trim availability.…
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Android Head Units for the Lexus GX (Teyes CC3, Joying, and Similar)
Who this guide is for: GX470 (2003–2009) and GX460 (2010–2023) owners, DIY beginner to intermediate, thinking about swapping the factory head unit for an Android-powered unit from Teyes, Joying, Dasaita, Mekede, Atoto, or similar brands. GX550 owners: see the note below. This guide is mostly not for you. Why GX owners do this swap: The…
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The Ultimate GX Buying Guide: GX470 vs GX460, Best Years, Inspection, and Prices
A practical buying guide for the Lexus GX: GX470 (2003 through 2009) and GX460 (2010 through 2023). Which one to buy, the best years of each, how many miles is too many, the full inspection checklist, and what to pay. Who This Guide Is For This guide is for anyone shopping for a used Lexus…
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Rear Air Suspension: Diagnose and Coil Conversion for the Lexus GX
A practical guide to the GX rear air suspension: GX470 (2003 through 2009) and GX460 (2010 through 2023). Diagnose a sagging rear end and decide between repair and coil conversion.
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Transmission Health & Cooling for the Lexus GX
A practical guide to keeping your automatic transmission alive: GX470 (2003 through 2009), GX460 (2010 through 2023), and GX550 (2024+).
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2UZ-FE Starter Replacement: The Job Buried Under the Intake Manifold
You turn the key and get a single loud click, or a short burst of clicks, and the engine never turns. That pattern is the classic 2UZ-FE starter failure.
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Lift Kits & Suspension for the Lexus GX: A Practical Guide
If you are thinking about lifting your GX, whether it is a 2-inch level to clear bigger tires or a full 3-inch setup for serious off-road work, this guide walks you through the suspension system, parts, and procedures.