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Anthony
Anthony, BMW Technician
Category: BMW
Satisfied Customers: 11750
Experience:  ASE Master Automobile Technician with over 20 years exp. in this field.
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MY LEFT REAR CALIPER IS NOT GETTING ANY FLUID. iVE CHANGE

Customer Question

MY LEFT REAR CALIPER IS NOT GETTING ANY FLUID. iVE CHANGE THE BOOSTER AND THE MASTER CYL. I TOOK THE LINE OF THE abs BLOCK ON NOTHING. THE PEDAL IS ROCK HARD. iT IS A 2003 325i
Submitted: 1 year ago.
Category: BMW
Expert:  Anthony replied 1 year ago.

Hello!

Sorry for any delays...

Did you remove the line that goes out to the wheel with no fluid flow?

Customer: replied 1 year ago.
I did. Also my pedal is rock hard. As I said there was no fluid at the line.
Expert:  Anthony replied 1 year ago.

The means the ABS Unit is bad. Its rare but when fluid wont flow through it freely a valve fell apart inside of it clogging the output to the wheel.

Expert:  Anthony replied 1 year ago.

A good place to find a good used is in this link: http://www.bmrparts.com/index.htm

Customer: replied 1 year ago.
I replied earlier but I don't see it anywhere?? Anyways what is the chance that we have an electrical issue with the box?
Expert:  Anthony replied 1 year ago.

Sorry for the delay...

It can only be the valves inside the abs unit. If it was electrical the the abs pump would run all the time. When the car is stopped the abs unt is open inside and it lets fluid flow right through it to the brakes.

Customer: replied 1 year ago.
the weekend came, I got the part installed though I have fluid going to all calipers I still have a rock hard pedal and hard to stop??
Expert:  Anthony replied 1 year ago.

Hi

Where did you get the booster and is it getting good vacuum?

Customer: replied 1 year ago.
I got booster on line. It was new. Vacuum seems a bit week to me but I have no check engine light on.
Expert:  Anthony replied 1 year ago.

Are you sure the abs unit you have now is right?

Customer: replied 1 year ago.
I know it is off the same model year as mine. and the part number is ***** same.
Expert:  Anthony replied 1 year ago.

Hi

Sorry for the delay...

Is the fluid flow the same on both sides?

Customer: replied 1 year ago.
it seems to be....
Expert:  Anthony replied 1 year ago.

How bad is the pedal like dangerous to drive?

Customer: replied 1 year ago.
I would drive it.. but I won't let my wife drive it because you can not come to a quick stop if needed
Expert:  Anthony replied 1 year ago.

How did this problem occur?

Customer: replied 1 year ago.
I just bought this car and it was like this. I've not drove this car yet
Expert:  Anthony replied 1 year ago.

Do you have a brake hose like this one?

Customer: replied 1 year ago.
No sir
Expert:  Anthony replied 1 year ago.

I'm out of ideas. Ill have to opt out of this one. Maybe another expert can help.