Is my AHC dead?

[khoaiii]

@PADDO
Excuse my newbieness, you mentioned "You'd really want to look at height sensor/harness moisture ingress as the root of the problem. Not an uncommon fault at all"
What is harness moisture ingress and how can i check this? my rear height is possessed and has a mind of its own lately.

 

[Tareq]

Scrape off the mud and any anti rust coating or whatever on the front face and you'll find where the bleeder should be. I can see what appears like a "patch" over the bleed port.

You are right
used wd40 with steel brush and here are two holes, now how do u flush without a valve sticking out?

 

[PADDO]

If you're not confident in trying to remove the busted bleeder (it's the port on the front, the other is a blind, plugged port and isn't used) then I'd recommend just driving the vehicle down on to the front and rear bump stops using the active test. This will push as much fluid as possible back into the reservoir from the 4 actuator shocks and the height accumulator. Then you can either siphon the old fluid out and replace with fresh, or at the least you will facilitate any entrained air in the fluid to be released and bubble off (like opening a can of soda) when it hits the relative low pressure reservoir. I wouldn't mess around with trying to loosen any hydraulics lines on the height accumulator as in all likelihood you'll just bust a union and go from an ok situation to a bad situation.
https://forum.ih8mud.com/attachments/image-jpg.1493719/

 

[Tareq]

If you're not confident in trying to remove the busted bleeder (it's the port on the front, the other is a blind, plugged port and isn't used) then I'd recommend just driving the vehicle down on to the front and rear bump stops using the active test. This will push as much fluid as possible back into the reservoir from the 4 actuator shocks and the height accumulator. Then you can either siphon the old fluid out and replace with fresh, or at the least you will facilitate any entrained air in the fluid to be released and bubble off (like opening a can of soda) when it hits the relative low pressure reservoir. I wouldn't mess around with trying to loosen any hydraulics lines on the height accumulator as in all likelihood you'll just bust a union and go from an ok situation to a bad situation.
https://forum.ih8mud.com/attachments/image-jpg.1493719/

Thank you @PADDO for all ur help ,,,
So basically u r suggesting doing a 2nd flush after I bled all 4 corners,,
I dont think I want to dump more money into this system, I think my conclusion is that it is dying and not worth more investment ,,, better put money on replacing it ,,,
With regards to circulating fluid and getting air out,,,, I mentioned I lowered and raised it over 30 times after the flush ,,, the reservoir was FULL when the LX was down to the bump stops, then slowly decreased, now when I put in LOW, the reservoir is full up to the lower half of the container, so this tells me there was as much air in the system as the upper half of the container ,,, correct?

Fluid looks darker than the pinkish color it used to be, so it got mixed up with old fluid left in the system ,,,
I will give it a few days to see if this new fluid makes a difference
Otherwise, I will not dump more money into it ,,, better just spend on a replacement!

Thanks to everyone for helping ,,, especially you ,,, much appreciated!!

 

[Tareq]

Quick update:

I have been driving for 3 days now and the drive is smoother than before the flush.
It is not as smooth as other LX's I test drove, but the nasty jitter is gone!!!
There is some roughness, but that could be due to the E rated 10 ply toyos.
I almost pulled the trigger on OME medium conversion, but now I am tempted to flush it one more time.

Will offroad this weekend with some water crossings and see how the system behaves and will decide