Brake woes.

[8690q]

Evening all,

I was driving home from work tonight and the car (80 2.0e avant) was pulling big time to the left every time I braked.
I assumed I had a seized caliper on the o\side so when I got home I jacked the car up and stripped the caliper off only to find that every thing moves freely.
I set up a bit of wood to press the pedal for me while I cracked the bleed nipple.
Nothing.
I split the flexi from the brake pipe.
Nothing.
I followed the brake pipe back to the ABS unit and cracked the union there.
Still nothing.
I know I have pressure at the rest of the brake lines as I checked them while I was at it. This also lets me know I have power from the master cylinder.

Does it sound like my ABS unit is duff ?

Can they be fixed ?

Thanks

Michael

[missfire]

similar thing to this i think?

http://www.classic-audi.co.uk/forum/...ad.php?t=13481

anything can be fixed!! just depends how much time you have and how brave you are..

[B2AUDI80]

had 2 audi 80s in with me since june both the same as ur own , i replaced the abs unit on both and it sorted the problem, id not seen this problem with the abs unit for about 4 yrs, but it does giv bother

[8690q]

Thanks for the replies chaps

Missfire- In that link the guy would appear to have the exact same problem as myself. No pressure to the front drivers wheel. With the pipe disconnected from the ABS unit I can stand on the brake pedal with 2 feet giving all of my 11 and a half stone and not even a drip from the pipe.

B2AUDI80- So it is my ABS unit thats faulty. Did you replace with new or used units when you fixed the cars you mentioned ?
I don't think it will be a cheap part from Audi if buying new.

[missfire]

same as yours..??

http://cgi.ebay.co.uk/AUDI-COUPE-CAB...item45f6117dbf

[B2AUDI80]

Originally Posted by 8690q

Thanks for the replies chaps

Missfire- In that link the guy would appear to have the exact same problem as myself. No pressure to the front drivers wheel. With the pipe disconnected from the ABS unit I can stand on the brake pedal with 2 feet giving all of my 11 and a half stone and not even a drip from the pipe.

B2AUDI80- So it is my ABS unit thats faulty. Did you replace with new or used units when you fixed the cars you mentioned ?
I don't think it will be a cheap part from Audi if buying new.

the few i fixed was the abs unit, the owners went for good used replacements, but as you know yourself its a risk that the replacement could hav the same problem, in each case ive come across it it has always been the drivers front wheel that wasnt getting fluid, incidently ive never had to replace any of the s/hand units that ive fitted, as i said until this year it has been 4yrs since ive come across it, and that car still has the s/hand unit fitted, i still do all the service and repair work on it

[8690q]

Many thanks chaps

Fitted an ABS unit from the scrappies today.

Result