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  1. IndroCruise

    For those with torsion bar questions

    Generally the idea is equalise front end heights as close as possible with torsion bar adjusters (not Height Control Sensor adjusters -- impossible). The aim is to equalise the load carried by each torsion bar (assuming both are in similar condition) to avoid unequal suspension and steering...
  2. IndroCruise

    AHC just get rid

    Top of the line Toyota Land Cruiser Sahara vehicles marketed in Australia and manufactured in Japan were fitted with AHC/TEMS (same as LX470) only from Aug/September 2005 (the final "face-lift" version) until superseded by the 200 series in 2007. The lesser LC100 models marketed in Australia...
  3. IndroCruise

    AHC issue? Odd behavior when steering

    The Post #398 found at the link below provides an explanation of the "black clip" ..... https://forum.ih8mud.com/threads/the-abcs-of-ahc-how-to-measure-flush-and-adjust-all-in-one-place.1211999/page-20#post-14895892
  4. IndroCruise

    replacing AHC globes/accumulators

    In Toyota/LexusSpeak FR means FRont (it does not mean Front Right as some may think) RR means ReaR (it does not mean Rear Right as some may think)
  5. IndroCruise

    AHC C1751 & C1762 Help/Recommendations/Suggestions

    This link leads to a relevant post -- it is a long read but it covers some of your issues, especially under the sub-headings "What to do next?" and "Some notes on so-called ‘over-riding’ of the “fail safe functions”...
  6. IndroCruise

    New AHC question, maybe…

    Suggest take a photo and upload it for comment ....
  7. IndroCruise

    New AHC question, maybe…

    Very good information -- it is for LX570 AHC -- which is quite a bit different to LX470 AHC -- meaning 200 series, not 100 series ....
  8. IndroCruise

    CHINESE AHC shocks on ebay?

    Surprising -- but in any case partsouq may be more relevant, cheaper shipping to your Kuwait location -- https://partsouq.com/
  9. IndroCruise

    AHC Inop after fluid change 2007 lx C1751 and C1762

    Frustration+++ from @suprasvobodea and posts in two threads looking for advice. You already have learned a lot about the AHC/TEMS systems on LC100/LX470 vehicles. Here a few thoughts which may help you go further …. Summarising the situation, as I understand it: 2002 LX470 at 230k miles, Texas...
  10. IndroCruise

    Transfer Case Shifter

    There are a few threads that deal with a frozen linkage due to age and internal corrosion in that part of the linkage which is bolted to the top of the transfer case -- and what to do about it. In my case, the transfer case was dropped to gain access, others have cut holes in the floor to gain...
  11. IndroCruise

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

    The FSM-specified AHC pressures are for the vehicle with no load, no passengers, no driver, no accessories, no fittings, fuel tanks full. The FSM is done this way because it allows the manufacturer to standardise the specifications. However, all our vehicles are different and nowadays many are...
  12. IndroCruise

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

    If new OEM AHC springs, then AHC pressures are function of the weight of the vehicle and the 'ride height' of the vehicle at the "N" height setting -- more weight than stock and/or more height than stock means more AHC pressure. If Rear AHC pressure is not sufficiently corrected by a spacers...
  13. IndroCruise

    AHC, here we go again, 2007 lx470 190k c1718 and c1713

    Intermittent C1713 combined with erratic rear height behaviour as described means a definite problem in the Rear Height Control Sensor circuit, meaning any of: the Height Control Sensor, or, the connector, or, the harness. The fact that removal and re-installation fixed the problem, at least...
  14. IndroCruise

    AHC stuck in Lo

    There are a few ideas at this post ..... https://forum.ih8mud.com/threads/props-to-paddos-ahc-fluid-replacement-method.925459/page-10#post-14071202
  15. IndroCruise

    AHC rear sensor

    As mentioned by @suprarx7nut, internal visual inspection of a Height Control Sensor may give a few clues, especially if corrosion or other degradation is obvious, but visual inspection alone provides no assurance that all is good electrically, even if the internals look good. Testing is...
  16. IndroCruise

    AHC, back really high

    Mmmm -- 70 mph on the bump stops is not a good idea -- if the wheels hit a hole or a bump then there is a chance of bending or breaking something in the suspension, particularly at the front -- or even worse, losing control of the vehicle with no effective suspension. But you know all that and...
  17. IndroCruise

    AHC, back really high

    https://en.impex-jp.com/parts/new/search.html?partNo=8940760010 Yes -- USD259 + shipping is a lot to pay for a Rear Height Control Sensor but worth it for OEM reliability and longevity.
  18. IndroCruise

    AHC Clunking?

    Two Page extract from FSM showing Vehicle Lift and Support Locations for Independent Front Suspension (IFS) chassis:
  19. IndroCruise

    AHC on its last legs?

    It boils down to how you want to spend your money -- maintain the AHC/TEMS or if you don’t want to get involved with that, spend more replacing AHC/TEMS with a conventional suspension. C1751 and C1762 often arrive together and are saying that there is insufficient fluid pressure being developed...
  20. IndroCruise

    Is this the correct ARB model people mod for the 06 LX?

    To answer your question, I have started by attaching a twelve year old article about Torsion Bars written by IH8MUD Member @Gunney way back in 2011. It contains some good pictures and diagrams about how torsion bars work. It maybe helpful and includes a description of torsion bar indexing...
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