C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Brake Bleeding " 93 " HELP

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Old Jul 31, 2004 | 12:14 AM
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Harry L Vaughn Jr's Avatar
Harry L Vaughn Jr
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Default Brake Bleeding " 93 " HELP

I replaced my Master Cylinder Reservoir and sucked all the fluid out. Disconnected my Prime pipe and performed the reinstall, and reinstalled my prime pipe. I bled the the Right Rear, then the left rear, Right Front, then the Left Front, BUT, my brake light on the dash remains lit. I did not bleed anything else. Besides the 4 brakes, is there anything else I need to bleed ? The prime Pipe, but where on the prime pipe ?
I do have good brakes, but my Brake light stays on. I disconnected the battery for about 30 minutes to see if the computer was not picking up the rebleed, but that didn't work... During the entire bleeding process I had the engine running.. Could that be the cause ?. ...HELP

Last edited by Harry L Vaughn Jr; Jul 31, 2004 at 12:19 AM.
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Old Jul 31, 2004 | 01:47 AM
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did you reconnect the sensor to the side of the master cylinder?

I am not sure I am following you, "prime pump"? Lost me on that.

However, did you bench bleed the new master cylinder first?
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Old Jul 31, 2004 | 09:53 AM
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Well I've never heard of bleeding the brakes with the engine running, this could be part of your problem. If the engine is not running and the key is off the ABS unit will be completely inactive. With the engine running the ABS unit would have been on, and I guess it's possible something could have gotten messed up.

If you've got a paper clip there is a procedure you can use to pull the diag codes out of the computer, even the brake codes. After we get the code maybe we can see what is going on with it.

I don't guess there is any chance you have the factory service manual?
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Old Jul 31, 2004 | 03:19 PM
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Harry L Vaughn Jr
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No I did not bench bleed the master cylinder.. How can I do it with the MC on the car ? Prime tube, there is a outlet tube that a hose hooks up to on the left side of the reservoir and that had to be disconnected.
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