GTV
SILVER Star
Sounds like all you need to do is correct the pressures.
Lessons learnt about AHC system
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What ply tires are you running and what are the air pressures? "LT" tires with more "plys" are going to ride rougher then "P" passenger tires.
Two important issues not addressed in this thread:
1: The AHC pressures and ride heights. If the pressures are not in spec, the ride will suffer.
2: State of height sensors. The signals from the height sensors give the AHC ECU input to adjust the damping. If the input is unstable, the damping will be wrong for the conditions. Also the link arms have to be stable with a smooth movement for the sensors to give a dependable signal to the ECU.
1: The AHC pressures and ride heights. If the pressures are not in spec, the ride will suffer.
2: State of height sensors. The signals from the height sensors give the AHC ECU input to adjust the damping. If the input is unstable, the damping will be wrong for the conditions. Also the link arms have to be stable with a smooth movement for the sensors to give a dependable signal to the ECU.