Auto-Bleed? I Keep Killing Master Cylinders
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Auto-Bleed? I Keep Killing Master Cylinders
I have always simply done the RR, LR, RF, and LF brake bleed, only opening the bleeder with pressure on the pedal and have never had a problem but according to Auto Zone'* tech pages for the Bonneville, that is not the correct procedure for all Bonnes with ABS.
One brake system, the Delco Vi and Bosch V, calls for a pressure bleed while the ABS valves are being actuated via a scan tool.
From the Auto Zone Home Page, select 95 Bonneville, then vehicle repair guides, then brakes...lots of stuff on several different brake systems for the cars covered.
TIA
One brake system, the Delco Vi and Bosch V, calls for a pressure bleed while the ABS valves are being actuated via a scan tool.
From the Auto Zone Home Page, select 95 Bonneville, then vehicle repair guides, then brakes...lots of stuff on several different brake systems for the cars covered.
TIA
#2
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Not a brake expert. I like you have always done bleeding "old school" and didnt realize so much trouble and the use of a scanner was needed to do it properly.
Still I cant think of any reason the master cylinder should fail like this, regardless of the bleeding procedure used. I am apt to think the store you bought these from is sourcing substandard parts.
Sundays are slow here, but a couple moderators here know brakes well. I'm sure they will pipe in.
Still I cant think of any reason the master cylinder should fail like this, regardless of the bleeding procedure used. I am apt to think the store you bought these from is sourcing substandard parts.
Sundays are slow here, but a couple moderators here know brakes well. I'm sure they will pipe in.
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I was messing around and noticed some oil-like drops on the floor - I think it may just be a rusted brake line..now to find my flare kit...and bleed again.
Also a public apology for the copy writed info I posted in the other thread.
If I do find a rusted line that should be the smoking gun.
Also a public apology for the copy writed info I posted in the other thread.
If I do find a rusted line that should be the smoking gun.
#4
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Dont give it a second thought, I have done the same in the past. As mentioned, commercial businesses are getting anal about it. So posting a link, then copy/pasting an entire procedure as well just isn't prudent.
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