Thread: RRC ABS issue. Help please.

Within the fluid reseviour there's a partition, and fluid must be on both sides of this.
I've also had blockages at the bottom of the fluid reseviour that's restricted flow into the matter cylinder too...

I can't be of much more help I'm sorry.



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IMO you need a new master cylinder

Pull the abs unit out, place it in the bin, install vacuum booster and master cylinder😊

Originally Posted by sierrafery

IMO you need a new master cylinder

(X2)

This could be normal. Try it any modern car with ABS. My wife poogoe 407 brake pedal will slowly go to the floor if you apply constant pressure. Google it, it appears to be normal behaviour across a range of vehicle. Certainly it worried the crap out of me after I did brake work on the car (I'd never noticed it happens prior to that .... and had forgotten until you mentioned it above).

seeya,
Shane L.

Thanks everyone.

So the t piece above the rear diff is now leaking plenty of brake fluid all over the diff. I will fix it this weekend and see if that's where the air was being sucked in.

I hate abs and how it feels during emergency braking and off road but I'm if I can fix what's there without spending much money I will deal with it.

I will check all the filters that can be cleaned as the fluid was very dirty. I will update after I've cleaned the filters, fixed the leak and re bled the system.

Cheers.

[QUOTE=DoubleChevron;2517988]This could be normal. Try it any modern car with ABS. My wife poogoe 407 brake pedal will slowly go to the floor if you apply constant pressure. Google it, it appears to be normal behaviour across a range of vehicle. Certainly it worried the crap out of me after I did brake work on the car (I'd never noticed it happens prior to that .... and had forgotten until you mentioned it above).



This is not normal , I reckon your wife might want to take her car somewhere to get the brakes repaired , before she comes to grief, Google will probably tell you anything you want to hear depending on how you word it.

Originally Posted by DoubleChevron

This could be normal. Try it any modern car with ABS. My wife poogoe 407 brake pedal will slowly go to the floor if you apply constant pressure. Google it, it appears to be normal behaviour across a range of vehicle. Certainly it worried the crap out of me after I did brake work on the car (I'd never noticed it happens prior to that .... and had forgotten until you mentioned it above).

seeya,
Shane L.

That behavior is NOT normal. If thats happening there is something wrong. The ABS does not bleed off pressure, it only pulses a particular brake unit in response to slippage input. At all times there should be constant braking available, even without vacuum assist, albeit much more effort required . There may be a faulty ABS unit though.
Cheers Scott