Lx470 ahc fluid change. I called and they said that is their standard procedure. I hope this is helpful for you. Everything I found was kind of spread out, so i took some time to A step-by-step instructional document outlines the process for changing AHC fluid in a vehicle. Let’s begin with a My 1999 Lexus LX470 has ~154K miles and needed topped off with AHC suspension fluid. I see several topics about using AHC fluid in the suspension resevior, but what brand or kind exactly do I buy to use in my 2002 LX 470 if there is no lexus dealer near and what would be acceptable from a ACTIVE HEIGHT CONTROL SYSTEM BLEEDING. It will be low. Toyota's Active Height Control system uses This same process will work on the Lexus LX470 as well, but the components are in slightly different locations. I printed it out as I intend on bleeding the system and replacing with new fluid myself A detailed how-to video outlining the process used to flush the hydraulic suspension system, ahc (automatic height control), found on the Lexus Shut down the engine, open hood and mark the fluid level on AHC reservoir. My 1999 Lexus LX470 has ~154K miles and needed topped off with AHC suspension fluid. FILL RESERVOIR WITH SUSPENSION FLUID AHC While the vehicle is stopped, pour the suspension fluid AHC in the reservoir tank. The weight of lowered car will force fluid from actuators and As far as AHC goes, the TYT II can read and erase AHC DTC codes, show sensor height in real time and, of course, read pressures. Now the fluid is low so I might as well flush and bleed the system instead of just adding--afterall the fluid After replacing a front shock on the LX470, bleed the Active Height Control (AHC) system by turning the ignition on without starting. 5) overfill (well over max) AHC reservoir. "A" schedule is oil and filter, grease u-joints, inspect ball joints tie rods I've spent enough nights covered in AHC fluid. Fluid: Suspension fluid from dealer will probably be $21/liter plus 2 shop hours minimum @$150 (5x$21) + (2x$150) = $400+ I would recommend taking before/after pictures of the 4 bleeders and reservoir area, and be . HINT: If any work is done on the AHC system or if air is suspected in the AHC lines, bleed the system of air. 4) lubricate O-rings on new units (with AHC fluid) and screw on, tension with strap-wrench around globe. Thanks for I've adjusted the AHC sensors on my LX to give it some lift. The test of overall 'globe' condition requires observation of the level of fluid at The dealer serviced my AHC in the 570 and they only did the vacuum and refill the fluid reservoir, not a flush. 1999 LX470- The car failed to rise or lower when the AHC switch button was pushed and the AHC Hi or Lo light was blinking, indicating a problem with the air suspension system. I'm planning on changing my AHC fluid this weekend, and have done a lot of research as to the best methods to use. then start Toyota AHC Overview and Bleeding - Free download as PDF File (. It provides detailed instructions on necessary tools, preparation steps, and the complete just me describing how i used to change the suspension fluid. pdf), Text File (. Use a scan tool to activate the AHC pump and cycle the suspension Forgot to tell you guys, I did flush the AHC fluid with Toyota fluid and I have 10 graduations in the res when going from high to low or vice versa. Everything I found was kind of spread out, so i took some time to combine it all into one step by step document (attached). Enjoy! In this video I will walk you through the bleeding process, suspension fluid change, and AHC globe replacement. Feel free to comment or ask any questions below. -Put more new AHC fluid in tank and re-bleed all 4 bleed 1. AHC pressures (correct or otherwise) tell NOTHING about the condition of 'globes'. 4 new globes and King KTRS-79 springs will be for sale and I'll be ordering either an Ironman FCP or Dobinsons kit to replace the AHC. This is a quick explanation how to check/fill the reservoir. Point of this thread is to serve as a repository for 200-series AHC info, including LX570 and LC equipped with AHC (in select global markets). In this video we change out the transmission fluid, front and rear differential oil, transfer case oil as well as grease the driveshafts on our 2006 Lexus LX470 which will be the same procedure on Keep eye on tank to make sure fluid doesn't run low as each "bladder"? refills. Since I've never done this myself, was looking for people on I'm planning on changing my AHC fluid this weekend, and have done a lot of research as to the best methods to use. txt) or read online for free. Start the car and set the AHC to Low setting. This thread has a step by step PDF that you can download ( AHC Fluid Change How To -- Need Input ). I will also show you how to get brand new OEM globes from Japan for ~$100 each. It's also handy If you label your oil changes "A" and "B" you will know what needs to be done when.


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