1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

We've got a bleeder!! Need help.

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Old 04-17-2008, 11:31 PM
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$124...ouch...hope the repair goes smooth.
Old 04-19-2008, 07:09 PM
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Which end is the supply side? End with or without the "teet" as the parts store guy called it down inside there.



Old 04-19-2008, 08:46 PM
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Anyone? It makes a difference on what fitting I put on what length of line.
Old 04-19-2008, 09:01 PM
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Originally Posted by Technical Ted
Originally Posted by samueljackson
Originally Posted by Technical Ted
Something else must have been wrong before the line blew. Master cylinder?
what makes you say that?
Dual master cylinder - You shouldn't lose all 4 brakes. Been like that for many decades.

JW - No return line on a master cylinder. Years ago it was front/rear but I think that changed.
Yeah, thats what I thought too, but when I blew my brake line at a stop sign, same situation, I lost everything, and it went to the floor. Scared the hell out of me since I ran a stopsign NOT going super slow, and almost got hit by a sidecoming fuel tanker. nice timing.

yes, you do lose all four and thats normal.

John, make sure you don't let the reservoir go empty, you'll have to remove and bench bleed the master cylinder if it does. It will just drain out, and may have already if you found a puddle.
Old 04-19-2008, 09:10 PM
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The reservior got pretty low, but not empty. I've refilled it and it'* holding.

Any insight on the directionality of the prop valves?
Old 04-19-2008, 10:02 PM
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Come on now... dripy dripy.
Old 04-19-2008, 10:11 PM
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John, the FSM is vague. It shows the line with the sharper (90 degree) bend attached to the NARROW end of the valve on the right rear. Hope that helps. I'll dig more a bit later. I'm out the door with Katie.
Old 04-19-2008, 10:13 PM
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Can't you tell from the old valves?
What size lines are you using & are you making the bubble flares?

I can't argue with the number of people that lost all brakes after breaking a line. It must have changed with anti-lock brakes. Good thing to know if you're driving around with rusty lines! Now I've got another job to do.
Old 04-19-2008, 10:17 PM
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the old valves are so rusty, I can't get in them to see.
Old 04-19-2008, 10:28 PM
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I just had the same thing happen to me. Maybe we can help each other. I need to know if those $60 items are a dealer only part? You need to know which way it goes on the line. I will go look and let you know. What did you do for line? I just tore the whole line out front at the ABS to the rubber hose in the back. I am planning on using 2 6ft sections and a 3ft one that I already picked up.


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