Checks, in order
- Fluid level and conditionCheck the fluid level hot and on level ground per the manual. Dark, burnt-smelling or varnished fluid is the first thing to correct.easy $ · under about $50
- Scan for codesA scan tool will show solenoid, speed sensor or lockup codes. Stored codes narrow the cause quickly.easy $ · under about $50
- Drain and fillReplace the fluid with the type specified for your transmission. A single drain-and-fill replaces only part of the fluid, so some owners repeat it.medium $$ · about $50 to $500
- Rule out engine and tire issuesA misfire or tire imbalance can feel like a shudder. Check for misfire codes and balance before blaming the transmission.easy $ · under about $50
- Shop diagnosisIf problems remain after fresh fluid, solenoids and the converter need testing. Use a shop that works on Toyota automatics.hard $$$ · shop-level job, $500+
Applies to: US-market UZJ100 Land Cruiser and Lexus LX 470, 1998 to 2007, with the 2UZ-FE 4.7L V8 (timing belt). AHC items apply to the LX 470 only; most US Land Cruisers have conventional shocks. Transmission is the A343F or A750F depending on year, so check the fluid spec for your truck.
Tools and parts for these checks
Links below are affiliate links: toyotadata earns a commission from VEVOR and, as an Amazon Associate, from qualifying Amazon purchases, at no extra cost to you. Confirm fitment for your exact truck before you order.
| ITEM | USED FOR | BUY |
|---|---|---|
| Automatic transmission fluid for your truck | Topping off or changing to the factory fluid type | Shop on Amazon |
| ATF fill pump with transmission adapters, 8 L | Filling fill-and-check transmissions through the fill plug | Shop on VEVOR |
| Bluetooth OBD2 scanner with live data | Reading and clearing codes and watching live sensor data | Shop on Amazon |
More 100 Series Land Cruiser / Lexus LX 470 problems
- Timing belt due, squeal or rattle from the front of the engine, or coolant and oil weeping at the front (Engine)
- Engine temperature gauge climbing, overheating or losing coolant (Cooling)
- Turn the key: click or nothing, engine won't crank (Starting & Charging)
- Engine cranks normally but won't start (Fuel & Ignition)
- Rough idle, stumbling or a misfire code (P0300 to P0308) (Fuel & Ignition)
- Check engine light with P0171, P0174 or air-fuel sensor codes (P2195, P2197) (Fuel & Ignition)
All 15 100 Series Land Cruiser / Lexus LX 470 symptoms in the interactive troubleshooter →
General guidance from owner experience. Confirm torque specs, fluid capacities and procedures in the factory service manual. Brakes, steering and anything structural: if in doubt, have a qualified shop inspect it before driving.