Latest Guides
-
Toyota Secondary Air Injection (SAIS) Failure: Diagnose, Repair, or Bypass (GX, 4Runner, Tacoma, FJ)
If you own an aging Toyota truck, this failure isn’t a question of when. The secondary air injection system (SAIS) fails on nearly every Toyota V6 and V8 truck from the mid-2000s.
-
2UZ-FE Timing Belt + Water Pump: The 90k-Mile Service (GX470, 4Runner V8, and Every Other 4.7)
Every “just bought a 200k-mile GX470” thread ends at the same place: when was the timing belt last done? On the 2UZ-FE, that belt is the difference between a 400,000-mile engine and a very heavy paperweight.
-
2UZ-FE Timing Belt and Water Pump: The Complete Step-by-Step (GX470, 4Runner V8, Sequoia, Tundra, Land Cruiser)
The complete step-by-step companion to the 2UZ-FE timing belt and water pump service. Every bolt in factory order, torque specs inline, and shadetree alternatives for the GX470, 4Runner V8, Land Cruiser 100, Tundra, and Sequoia.
-
GX Frame Rust: How to Check for It, Treat It, and Prevent It
The 20 minute underbody inspection every GX buyer should do, what the rust you find actually means, and the treatment options that really work: wire wheel and converter, Fluid Film, Woolwax, or a shop spray. Who This Guide Is For This guide is for two people. The buyer, who is looking at a GX that…
-
What PSI Should You Run in Upsized Tires? (GX470, GX460, GX550)
Get your correct cold starting pressure in seconds with our free GX Tire PSI Calculator. Your door jamb says 32 PSI. That number was calculated for the stock tire. Once you bolt on 285s, the right pressure comes from the tire load tables, not the door jamb. Here is the method, a worked GX470 example,…
-
Threadlocker for Off-Road: Keep Your Bolts From Backing Out
This guide is for owners of lifted trucks who have found a skid plate bolt rattling in the dirt, a slider mount nut gone missing, or a bumper bolt that keeps backing out no matter how many times it gets tightened. It covers why off-road vibration loosens fasteners, which threadlocker to use and where, where…
-
GX460 Brakes: The “Upgrade” Debate, Spongy Pedal Fixes, and Proper Service
For GX470 (2003–2009) and GX460 (2010–2023) owners, beginner to intermediate DIY. (GX550 (2024+): brake procedures not yet verified. Do not assume 460-generation parts or procedures carry over.) If you spend any time in GX circles, you’ll hear two recurring stories: someone bragging about the GX460 front brake “upgrade,” and someone else complaining their GX460 has…
-
Christmas Tree Dash: VSC TRAC, VSC OFF, and Check Engine Lights on the Lexus GX
Why your GX lights up the check engine, VSC TRAC, and VSC OFF lights together, the driveway diagnostic sequence, and the no-start flashing dash fix. Who This Guide Is For This guide is for GX470 and GX460 owners staring at a dash full of warning lights. The classic case is the check engine light plus…
-
Zero Point Calibration for the Lexus GX
Related guides: GX dash warning lights guide. GX460 KDSS guide. GX transmission cooling guide. Parts and tools A short jumper wire or a paperclip. A level surface: a flat driveway or garage floor, not a sloped street. No scanner needed. Toyota’s official jumper is SST 09843-18040, but a paperclip does the same job. What zero…
