Symptoms
Wet hydraulic fluid at line junctions or actuators, uneven leveling, a sagging corner or a harsh ride.
The fix, step by step
- Use the Toyota leak-point diagram in IH8MUD's LX570 AHC sticky.
- Look up under the running boards at each corner, at the accumulator globes and at the line junctions.
- Cycle through Low, Normal and High and watch each corner respond.
- Use Techstream or a similar scan tool to read AHC pressures and codes before replacing parts.
Tools & part numbers
- Flashlight
- mirror
- Techstream-capable scan tool
- factory repair manual
Where to buy the parts
Suspension and AHC components (2013 LX570 catalog)RockAuto ↗
LX570 AHC parts (search)CruiserTeq ↗
Hunting a used or discontinued part? Search eBay Motors for Lexus LX 570 parts →
Rated for a competent home mechanic with a decent tool kit. Confirm torque figures, fluids and procedures against the factory service manual for your VIN, support the truck on stands rather than a jack, and work at your own risk (disclaimer). Some parts links are affiliate links, which pay us a small commission at no cost to you.