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ABS Unit Shot?

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Old Apr 13, 2006 | 02:31 AM
  #1  
1995z28's Avatar
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From: Austin, MN USA
ABS Unit Shot?

Hey guys,

I'm wondering what is going on with my brakes here. I've got a '95 LT1 Z28 with traction control. Cut the rear lines going to the traction control unit in the process of installing an ATI P1-SC.
Now, my Brake light is on, and brake pedal doesn't quite feel right. It feels decent until about half way down, then gets hard as a rock.
I tried bleeding all four corners, but I'm starting to think there is something funny with my ABS unit.
Reason being, I can bleed my front brakes fine, lots of fluid coming through. When I try to bleed the rears, I get little to no fluid, and the pedal is still rock hard. Started breaking lines apart, trying to isolate the problem, and found that the line coming from the PV shows good fluid flow, and the bleeder on the ABS unit itself shows the same flow. However, on the outlet side of the unit, I get nothing.
Could this be because of an error code being thrown? If so, what do I do about it? Take it to a Chevy dealer and reset, then rebleed the system? I've bled tons of brakes before, but never had this issue.

One other thought- what exactly are the ?solenoids? on top of the ABS unit for? could this be my problem and can I get just the solenoids or would I have to get an entire unit?


Thanks in advance!
Old Apr 13, 2006 | 12:10 PM
  #2  
1995z28's Avatar
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Posts: 31
From: Austin, MN USA
Re: ABS Unit Shot?

Anyone have an idea???
Old Apr 14, 2006 | 09:03 AM
  #3  
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Eff
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Joined: Mar 2004
Posts: 643
From: St. Charles, IL
Re: ABS Unit Shot?

not sure about troubleshooting it, but i have a complete, fully functional unit i can sell you for 100$ shipped. PM me if interested.
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