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2001 Town & Country brakes repeatedly fail


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mrc55
User

Sep 16, 2014, 6:55 PM

Post #1 of 9 (1176 views)
  post locked   2001 Town & Country brakes repeatedly fail  

Brakes started getting bad (spongy, pedal to the floor). Checked all, pads good but I cleaned them all & found that I needed to replace left rear wheel caliper. Replaced that and bled all brakes. Seemed good but within days back to pedal to the floor. Have repeatedly bled brakes with seemingly good results only to return to loss of pressure. Wondering if this indicates a need to replace the master cylinder? Thanks in advance for any thoughts!


Hammer Time
Ultimate Carjunky / Moderator
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Sep 17, 2014, 2:04 AM

Post #2 of 9 (1159 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

Was there any loss of fluid in the level of the master cylinder.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Sep 17, 2014, 9:01 AM

Post #3 of 9 (1148 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

Some can do that at master with no leaks. Those may be intermittent for a while or misbehave at random or permanently no pressure and foot to floor feel.


I find that more common when an older master has been bled by pushing to floor recently into an area that hasn't been traveled into for quite a while is crusty and tears up the seals inside - usually those stay broken right away,


T



mrc55
User

Sep 17, 2014, 2:47 PM

Post #4 of 9 (1142 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

No loss of fluid.


Hammer Time
Ultimate Carjunky / Moderator
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Sep 17, 2014, 3:23 PM

Post #5 of 9 (1131 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

With no fluid loss you have what we call "bypassing". 95% of the time this is caused by a bad master cylinder. On rare occasions it can be caused by the ABS hydraulic unit.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



mrc55
User

Sep 17, 2014, 7:02 PM

Post #6 of 9 (1122 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

Thank you. I was hoping it wasn't the master but I'm not surprised. Just glad to have another opinion before I start tearing into it.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 18, 2014, 1:59 AM

Post #7 of 9 (1112 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

No, you should hop it IS the master cylinder. The alternative of an ABS unit would be far more expensive.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



East Coast Resident
User

Dec 16, 2015, 2:46 PM

Post #8 of 9 (746 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

Hi, I'm new here so I'm sorry for digging this back up again after all this time but it's the only discussion that I have found that is relevant to my Dodge Caravan brake issue and it seems like it's still open in that there is no answer. Did you ever get to the bottom of your problem?


Tom Greenleaf
Ultimate Carjunky / Moderator
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Dec 16, 2015, 3:07 PM

Post #9 of 9 (741 views)
  post locked   Re: 2001 Town & Country brakes repeatedly fail  

OK - Didn't re-read whole thread that should have been closed as inactive after a while. Don't expect all original posters to come back with an answer.
Just your subject line IMO suggests master cylinder first if not repeated new ones do the same thing it's either ABS or not bled out properly.
They can fail to spongy or pump up to feel right without leaking which would be obvious.
What should be already checked is if fluid is full or ever went low by surprise.
Kinda hate to but let's close out this thread and get you to start a new one with specifics to you own, exact model, recent attempts or work could help or anything specific to YOURS not just these in general.


Welcome - Please start a new thread all your own,


T







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