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  1. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    I used plastic small black bottles from Toyota dealership
  2. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    I flushed the system last year. It worked fine all this time. All of a sudden it went down while driving. So I emptied all four corners including accumulator then topped of the reservoir. Even though reservoir was on correct level when it went down. But after I emptied all 4 corners it’s not...
  3. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Yes
  4. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    I emptied all four sides now there is fluid inside the globes or accumulator anymore. There’s no leak. Also oil is not going down from the reservoir. I filled it up and it stayed the same. I forgot how to do the manual way. I remember last year I push one pin on the diagnostic port and then push...
  5. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Today morning all of a sudden my rig dropped to low on my way to work. Came back and took this screenshot. Seems like no pressure on the accumulator. What should I try?
  6. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Temperature sensor was unplugged per post #1. After driving for a bit I will recheck everything just to make sure. Now I know torsion bar doesn’t raise heights for AHC equipped vehicle.
  7. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Here is the new screenshots after reindex torsion bars on the driver side. It took some time to fine tune it but I think it’s within the specs or close to it. Way better than originally started so overall I am really happy. Hopefully will flush AHC fluid soon. All 3 of height control sensors...
  8. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    At the time to adjust front pressure sensor do I need to turn of the the engine and AHC off? Or just turn off the engine and put AHC on N height. I am not clear at this step. I know to lower my front pressure sensor I need to CW torsion bars. Please let me know. Thanks.
  9. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Thank you Indro and rest of all the dedicated members who worked hard to put all this information here. I was overwhelmed but at then end I am pretty happy with what I achieved. Front left/ right sensor are pretty dialed in at this point. On my tech stream it shows MM instead of inches. FR...
  10. M

    The ABCs of AHC - How to Measure, Flush, and Adjust all in one place

    Here is a little run down of what led me in to this situation. Due to the condition of the existing parts I replaced UCA/ LCA, CV axle boots from Toyota, front diff seals on the both sides, outer tie rod end, front brakes and rotor, including re grease wheel bearings, new bushings for all 5 rear...
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