From what I gather in comments and previous fixes including the A/C line, sure sounds like this is the common rusted AHC line issue in the rear for those that live in the rust belt.
It's a simple hydraulic line, much like a brake line, that needs replacement. Can be had for reasonable cheap, and is not the hardest to replace. From there, it's just replace the AHC fluid and bleed. Again, much like a brake system.
Okay Mr. FUD. We all know this is beyond your capability so please keep to your ARB slider threads.
It's a simple hydraulic line, much like a brake line, that needs replacement. Can be had for reasonable cheap, and is not the hardest to replace. From there, it's just replace the AHC fluid and bleed. Again, much like a brake system.
And that’s the problem with AHC. Diagnosing the issue is a nightmare and can be $$$$. Even Lexus dealers mess up. Independent shops won’t even touch it…why would you trust someone who is exposed to AHC even less than dealers! You can do it yourself if you’re mechanically inclined...but even then, it can be weeks on weeks of diagnosing and buying & replacing parts all along the system and costing $$$.
Okay Mr. FUD. We all know this is beyond your capability so please keep to your ARB slider threads.