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  1. IndroCruise

    AHC Accumulator Bleed Question

    This makes good sense @2001LC -- as always. An expanded explanation and pictures are offered below and may be of interest to others. Over-pressure in the hydraulic side of the membrane will be matched by the gas pressure equalising as the nitrogen is compressed on the gas side of the membrane...
  2. IndroCruise

    Stormtrooper - 2005 JDM HDJ101 imported to Canada

    There are some pro’s and con’s concerning EGR removal – and plenty of strong opinions scattered across the web!! These youtube videos give opposing views -- and also offer some more good visuals: “For”: “Against”: In my case, all of the EGR, intake pre-heater, etc, etc, have remained in...
  3. IndroCruise

    Stormtrooper - 2005 JDM HDJ101 imported to Canada

    Just remembered a few notes with excellent pictures about upgraded intercooler and repaired turbo issues (with VNT) by @Moridinbg on his 2005 LC100 (not LC105) with 1HD-FTE at Post #59 through to about Post #70 at this thread -- also showing EGR choked with oily soot back at Post #3. Best to...
  4. IndroCruise

    Stormtrooper - 2005 JDM HDJ101 imported to Canada

    Congratulations!! Great pics of a great truck!! Hope the underbody is just as good. Here are a couple of attachments which may be of interest if not already seen. The first attachment provides a general description with illustrations of the 1HD-FTE turbodiesel engine. It includes a brief...
  5. IndroCruise

    AHC Accumulator Bleed Question

    That is good news!! Yes -- definitely worth checking and recording all physical tape-measured heights at each wheel and all Height Control Sensor readings, along with Front and Rear AHC pressures and Height Control Accumulator pressure. At the same time, it is worth taking pictures of the...
  6. IndroCruise

    Impex is LEGIT 4 new AHC globes. Door To Door from Japan, less than 2 weeks

    I try to support local businesses and Dealers when I can but I will continue to use Impex, Partsouq, Megazip, Amayama and/or some reliable eBay sites when I don’t like Dealer prices. Impex has its quirky methods to ensure that actual rather than estimated freight costs are passed on to the...
  7. IndroCruise

    Question^* 2004 lx470 AHC ecu replacement

    If you are convinced that the ECU is bad and that there is not some other problem, then use the VIN to find the exact correct Part Number for the Suspension ECU for your vehicle. The point is that there are several different versions of the ECU and the wrong one may not work in your vehicle...
  8. IndroCruise

    AHC Accumulator Bleed Question

    Just to mention that this response by the vehicle means that it is not in one of the 'fail safe functions' (phew!!) because AHC is at least working. It is still important to check that the AHC system is working correctly and that a raise has been completed correctly -- even if no DTC's are...
  9. IndroCruise

    AHC Accumulator Bleed Question

    Amazing short life from the previous replacement 'globes'! Were they new when installed? Makes sense that there is some improvement when one new 'globe' is added. The Front 'globes' and actuators are hydraulicly connected -- the Front Gate Valve in the Control Valve Assembly is 'normally open'...
  10. IndroCruise

    AHC Accumulator Bleed Question

    There is no problem creating "yet another AHC thread" -- just ask away! There is not enough information to offer a definitive diagnosis but here are a few thought-starters which may help …. Vehicle: 2001 LX470 -- so 22 years old 299,000 miles DFW Texas vehicle -- so underbody probably is in...
  11. IndroCruise

    AHC Fluid Change How To -- Need Input

    Have you tried McGeorge and Cruiser Parts? https://shop.cruiserparts.net/index.php?main_page=product_info&products_id=33322 AHC Fluid is made (blended) in batches -- in a similar way to the way many lubricants are made -- and from time to time there can be localised shortages in various parts...
  12. IndroCruise

    AHC Time LO to N, N to HI, LO to HI

    This all looks very healthy -- reflecting usual @GTV care and attention to detail. FSM suggests the following numbers for raise times and height differences. Your raise times look reasonable. AHC Raise times will vary with air in the system – your repetitive bleeding appears to be...
  13. IndroCruise

    Which aftermarket rear ahc sensor ml

    Some Sensor comments at Post #411 at this thread .... https://forum.ih8mud.com/threads/sources-for-ahc-accumulator-globes.593232/page-21#post-14612475
  14. IndroCruise

    Parking brake handle loose, but brake lightly engaged

    If not already seen, the two attachments found at the end of post #5 at this link may help: https://forum.ih8mud.com/threads/e-brake-rattle-slack-in-cables.1263937/#post-14055405 Bell cranks need to be in correct adjustment first, with mechanism and springs in good order, before adjusting the...
  15. IndroCruise

    AHC stuck in low...emergency help

    The previous replies in this thread answer the question as best possible. Here are some pics which may help. First, consider weight issues as previously described in this thread, by weight removal if possible, or, by torsion bar adjustment. Torsion Bar Adjusters -- one on both sides of...
  16. IndroCruise

    Groaning sound coming from AHC 2002 Lexus LX 470.

    The Part Numbers for Height Control Sensors listed back at Post #8 in this thread are the same for Lexus LX470 and Toyota LC100 (where AHC is fitted). Here is another little snippet illustrating how the Toyota/Lexus supply chain is helped by cross-shareholdings between Toyota/Lexus and their...
  17. IndroCruise

    Groaning sound coming from AHC 2002 Lexus LX 470.

    Strongly agree with @suprarx7nut -- although I suspect that he may mean "Aisin" rather than "Denso"?? "Aisin" is a Japanese supplier of these kinds of parts to Toyota/Lexus. See also Height Control Sensor recommendations and Part Numbers about half way through Post #8 in this thread.
  18. IndroCruise

    Groaning sound coming from AHC 2002 Lexus LX 470.

    I live in a part of the world where “cold” means around 15 degrees Celsius (59 degrees Fahrenheit)!!! Therefore it seems best if I leave comments about the effects of seriously cold weather to those who know best. Maybe I would hazard a guess that the kinds of effects described in previous...
  19. IndroCruise

    Groaning sound coming from AHC 2002 Lexus LX 470.

    Congratulations on getting Techstream running -- that is an achievement in itself!! Thank you for posting the Techstream screenshots -- it helps to see the whole page, including ALL of the detail in addition to the pressures. References to useful FSM links can be found in my Post #4 in this...
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