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Old 12-24-2002, 07:12 PM   #1
78customdeluxe
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Join Date: Dec 2002
Location: Upper Sandusky Ohio
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Unhappy brake line blew

Im posting this for a freind, he was driving his '87 Gmc 1/2 ton 4x4 and his rear brake line blew. now his brake light is on all the time. im thinking mabey the proportional valve needs reset but i dont remember how i did it before. he said it seems to stop ok but i dont know. thanks
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88 Crewcab Dually 5.9 Cummins, 5306 Eaton 6-speed, converted 4x4 w/52's up front, 90 front clip(parting out)
1986 ElCamino (needs motor)
1970 C30(future service truck for my ag-equipment repair business)
1970 CST10(parting out and partial donor for the '70 C30)
2000 GMC 1500 ext cab sb, z71, 5.3 loaded auto
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Old 12-24-2002, 08:15 PM   #2
swervin ervin
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The way I've always got it to go off, was after bleeding the brakes real good, apply some heavy pedal pressure. This recenters the valve.

Only way I know of doing it.
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