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Author
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Topic: my brake warning light came on
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gingerbreadman
Journeyman Posts: 6
From: kamloops b.c. canada
Registered: Apr 2002
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posted 04-03-2002 11:07 PM
   
when i bought my car i pluged in the plug on the distribution block and my brake light in the dash came on.... well i traked it down to a bad master cylender.. i replaced it.......i bench bled the master cylander and installed it.. now when i was bleeding my brakes i might have drained my front tank (rear wheels)...........MAYBE........the light went off when i finished and brakes seemed fine..... but anyways today i thought it might be a good idea to bleed my rear brakes incase i sucked in some air from the master cylander install.. well i did and i didnt get any air so i got back in my car and now my brake warning light is on....... Is it possible for me to have drained the tank and the light not come on but when i went to bleed the brakes weeks later the light came on? Do i need to take off my master and re bench bleed it? I guess if in fact i did drain that tank than only bench bleeding will fix it right??????
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V8 Thumper
Gearhead Posts: 643
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 04-04-2002 07:45 AM
Do you have a firm pedal feel and full brake function? The pedal will sink to the floor if there's air in the system. Is is vac assisted (power brakes)?? Check for vaccum leaks as well.No leaks at the calipers/wheel cylinders, right? I suppose it could be a bad sender also. If the car stops hard, I wouldn't worry about it 
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Ryan Wilke
Gearhead Posts: 613
From: Stanton, Michigan
Registered: Oct 2000
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posted 04-04-2002 08:07 AM
GBM:
I believe that the light is activited by a sensor in the distribution block. What you need to do is have a friend watch the light while you bleed the right front just a bit...the light should go out. If you let too much fluid out, then the sensor will go past center, the light will come back on and you'll then need to go back to the right rear and bleed off alittle there. Same thing will occur, if you bleed off too much at the rear, the light will go off then back on. So you have to do it "just right". Be sure to keep the master brake cylinder full during all of this ajusting....Good Luck! Ryan
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cpmaverick
Moderator Posts: 1264
From: Auburn, AL.
Registered: Jan 2000
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posted 04-04-2002 08:32 AM
Yep, you have to bleed the fronts to shut the light off. ------------------
-Charlie Ping
1970 Maverick Grabber
[email protected] with AC and overdrive.
http://www.maverickgrabber.com
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