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Thread: ABS Brake Master Cylinder Assembly - Teves Mark II - (1989 - 1992)

  1. #1
    Join Date
    May 2012
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    Lodz, Poland
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    ABS Brake Master Cylinder Assembly - Teves Mark II - (1989 - 1992)

    Looking for
    ABS Brake Master Cylinder Assembly - Teves Mark II - (1989 - 1992)

  2. #2
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    Oct 2004
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    Charlotte, NC
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    I have a few.....

    What problem are you having with this system....

  3. #3
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    May 2012
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    ABS Brake Master Cylinder Assembly - Teves Mark II - (1989 - 1992)

    Probably, pressure warning switch (5 pin plug) and hydraulic pump motor are damaged by brake fluid. Brake pedal is stiff, there are no brakes an my electrician is helpless. He tried to help with pump motor but gave up with warning switch. That's why i'm looking for whole assembly.

  4. #4
    Join Date
    Oct 2004
    Location
    Charlotte, NC
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    You most likely don't need an entire master cylinder assembly unless you have a leaking seal.....

    Almost all ABS problems are centered around the pressurizing system: pump, pump motor, pump motor relay, accumulator, and pressure switch.....

    Do you have the unit off the car yet.....

  5. #5
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    May 2012
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    Lodz, Poland
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    ABS theves II

    It is still mounted. We have tried with adaptation of pressure warning switch, but it failed. My electrician have said that he had managed to help with pump motor.
    The problem is that we have Cougar in Poland. I can buy and pay for parts becouse I've my close family in Alpha NJ (and Pay Pal account). Their part of job is to check, pack and send parts. This system is reliable with the exception of remanufacturing parts in USA.
    Of course we can check on monday all symptoms and send you report with photos, but I'm afraid that buing whole assembly will be the only one solution to the problem. If you only can advise and help us, I would be grateful.

  6. #6
    Join Date
    May 2011
    Location
    Glendale Heights IL
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    I have a few problems with mine but I have been able to get it fixed so any help I can offer I will

  7. #7
    Join Date
    Oct 2004
    Location
    Charlotte, NC
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    The ABS portion of the master cylinder is a modular component.....

    I would like to know the following:

    Did the brakes go out gradually, or did they just stop working?

    Are the red brake light and amber ABS light on?

    Are you getting any brake fluid leaking from the weep hole at the bottom of the pump motor?

    Does the pump motor run when you turn the ignition switch on?

    If it doesn't run, have you tried to apply 12v power straight to the pump motor to see if it runs?
    Last edited by the-big-e; 05-19-2012 at 03:56 PM.

  8. #8
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    May 2012
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    Lodz, Poland
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    As far as I remember there was no red or amber light. And for sure brakes just stop working (from day to day).
    I will answer all questions on monday. My cat is in my electrician's workshop. As soon as possible I will visit him and start all checks. But just in case, keep one assembly for me please (if my was really useless)

  9. #9
    Join Date
    Oct 2004
    Location
    Charlotte, NC
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    No problem.....

    I have all the ABS parts to get your system repaired.....

    You just need to find out which part is giving you your problem....

    They are not that hard to trouble shoot....

  10. #10
    Join Date
    May 2012
    Location
    Lodz, Poland
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    I've visited my electrician and after checks, answering your questions:
    1. Brakes just stopped working.
    2.There was/is no red brake light or amber abs light
    3. Probably, there was a leak from the weep hole but it is hard to declare for sure becouse almost whole assembly (bottom) was covered with brake fluid
    4. The pump motor does not run after we turned ignition switch on
    5. It runs when we have applied 12v power straight to the pump motor

    the problem appeared after changing power steering assembly (pump and the rest of steering)
    These are all facts I have completed

  11. #11
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    Smile

    Thanks
    I really appreciate
    Quote Originally Posted by renello79 View Post
    I have a few problems with mine but I have been able to get it fixed so any help I can offer I will

  12. #12
    Join Date
    Apr 2002
    Location
    Madison, Ohio
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    17,532
    If you have no dash warning lights then the issues is not the ABS system. If the ABS system fails, the lights will come on.

    Most likely the problem is electrical on the part of the car wiring rather than the ABS. The fact that you do not have any dash warning lights points to a problem with the ignition switch (recall item for all Thunderbirds), or an issue with power at the main fuse box. Check the ABS fuse there for power. Make sure there is power there, not just if the fuse looks ok.
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  13. #13
    Join Date
    Jul 2003
    Location
    Eastern (nee Western) PA
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    Quote Originally Posted by XR7 Dave View Post
    If you have no dash warning lights then the issues is not the ABS system. If the ABS system fails, the lights will come on.
    Assuming that the light bulbs aren't burned out.

    Yes, this sounds like it could be an electrical circuit problem. Did you check the ABS relay for proper operation? (Although, yes, there should in theory be a warning light if that was the problem.)

    I am concerned about the brake fluid all over the assembly. Is the soft hose intact? Otherwise, where did the fluid come from? The pump shaft seal can fail, and that would be a likely source, but that leak would be in one specific spot. Or could this leak be from a fitting or even from spilling brake fluid during pad changes and such? It must be recent, since the stuff dries up over time.
    God bless!!!

    1990 SC auto ... red outside, gray cloth inside ... ~205,000 miles (and climbing) ... driven daily!

  14. #14
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    Oct 2004
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    I'm with Dave on the ignition switch.....

    But you really need to find out where the brake fluid id coming from.....

    Most likely the front seal of the pump motor or the rubber supply line from the reservoir to the pump....

  15. #15
    Join Date
    May 2012
    Location
    Lodz, Poland
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    OK Gentlemen, I will check it today and refer it to You as quick as possible

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