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Modification required for adjustable brake bias adjuster?

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Old 09-28-2012, 08:51 PM
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LS1Porch
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Default Modification required for adjustable brake bias adjuster?

Hi all,
I have a 1990 S2 that is equipped with ABS, though the ABS is disabled. I am running a hydroboost brake setup and a manual bias adjuster.

I seem to recall hearing someone say that in order for the bias adjuster to be effective i would have to drill out something down on the ABS unit. Is that correct? I haven't been able to find anything with the search.

TIA
Old 09-28-2012, 11:39 PM
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aixgelo78
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He is probably talking about the brake bias valve, located on the rear output of the abs module.
Old 09-29-2012, 02:41 AM
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LS1Porch
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Thanks, i did some searching and it seems you're right. At least now i know what i'm looking for!

I wasn't able to find anything about what to do in the case of adjustable brake bias--drill it out, eliminate it...? I'll keep looking, but in the meantime if anyone knows off the top of their head i'd appreciate it!
Old 09-29-2012, 12:35 PM
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I did a lot more reading on it, and i still haven't found someone actually saying "remove the brake bias valve", it sounds like that is what is needed. So that's what i will do!
Old 09-29-2012, 11:22 PM
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Sounds like a plan!!!



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