Suspension Science
3 Docs
Air Suspension vs. Coils – To Repair or Convert?
Last Updated: January 29, 2026When air bags or AHC pumps fail on older models, owners face a crossroads: pay for expensive OEM repairs or perform an "AHC/Air Delete" by converting to traditional coil springs.
AHC Maintenance – Preserving the “Magic Carpet” Ride
Last Updated: January 29, 2026Active Height Control (AHC) is a hydraulic-pneumatic hybrid system. While it offers unmatched comfort, it is highly sensitive to fluid contamination and "globe" (accumulator) fatigue.
The KDSS Lean – Calibration & Troubleshooting
Last Updated: January 29, 2026The "Land Cruiser Lean" is almost always a hydraulic pressure imbalance within the Kinetic Dynamic Suspension System. It is rarely a mechanical failure, but correcting it requires a specific factory-level balancing procedure.