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Old Aug 2, 2023 | 10:30 PM
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Default Im bleeding

HI-guys its been a long time since I benched bleed the master cylinder I have the 2 tubes that attached to the master do you put the tubes in the fluid while I pump the master or keep them out and how long do I pump it for and will I need to bleed the 4. wheels again.THANK YOU for the help bob. 70. small block
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Old Aug 2, 2023 | 10:36 PM
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Yes. Tubes in the fluid. It'll come out as bubbles but suck in fluid. Eventually after some number of pumps, the bubbles will go away.

Hot tip: Don't push the piston in all the way. That can ...and probably will damage the seals.

Best of luck on your brake job!

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Old Aug 2, 2023 | 10:37 PM
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Yes, submerge the tube ends in the fluid. That way they don't suck air backwards. Yes, again, to having to bleed all 4 brakes afterwards. Any time the system is open at any junction between the fluid reservoir(s) and the caliper bleed screws, it's necessary to bleed the system.
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Old Aug 2, 2023 | 10:49 PM
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It should look something like this:


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Old Aug 2, 2023 | 11:07 PM
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You can screw a clean nut onto the end of each tube to hold them down in the master cylinder.

so...quit bleeding and start pumping.
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Old Aug 3, 2023 | 04:24 PM
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OK. GUYS you came. threw again now. for the fun to. begin thank you. bob
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Old Aug 3, 2023 | 05:55 PM
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Enjoy bleeding the rest of the system ..
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Old Aug 3, 2023 | 10:19 PM
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When you are pumping the peddle take it easy, or you could have a mess on your hands...............
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Originally Posted by bobby70
HI-guys its been a long time since I benched bleed the master cylinder I have the 2 tubes that attached to the master do you put the tubes in the fluid while I pump the master or keep them out and how long do I pump it for and will I need to bleed the 4. wheels again.THANK YOU for the help bob. 70. small block
And when you are done bench bleeding, you can then again bleed while on the car to get the last bit of air out, due to connecting to the brake lines. You always get some air in.

Follow this.
Get the last bit of air out from the brake master cylinder. - CorvetteForum - Chevrolet Corvette Forum Discussion
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Old Aug 6, 2023 | 12:06 AM
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HI GUYS I think I found the problems I bleed the master put it on the car and bleed the car did not changed anything so took it. off then to my tool to test the fit and came up a little short.i think this is the problem but I don't know how this happened because I had good brakes before what do you think thanks bob


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