AHC sometimes stiff, sometimes soft

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Joined
Feb 13, 2026
Threads
1
Messages
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Location
Chicago Illinois
Hello everyone! I've had my 2006 lx470 currently with 228,700 miles for a little over a year. So far I have bled the AHC fluid, replaced the globes (Toyota OEM from Impex), and installed King KTRS-79 springs. I've also gone through YotaMD's AHC cheat sheet. Pressures are currently Front: 5.9 and Rear: 5.0.

Now here is my main issue. Sometimes, the ride quality will be that legendary riding on a carpet feel and other times I'll feel every single small bump on the road that will rattle the entire cabin. If I look at the hood while the ride is having an episode, I'll notice that the front is bouncing up and down like there isn't any dampening. The comfort to sport knob and the height adjustment both still work.

I would me inclined to replace the bushings but given that the issue happens sometimes makes me lean towards air/gunk in the system that is moving, allowing for change in ride quality. I'm currently bleeding the system little by little everyday after work and I will see some tiny air bubbles (maybe 1 or 2) come out from each globe.

Am I heading towards the right direction or should I be looking at replacing the shocks (I know the rear is a pain) and bushings?
 
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