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I'm bleeding the brakes today and using a really cheap method. I'm sure it will work but I'll keep you posted. I've only spent $10 on the breeder reservior at Princess Auto and a vacuum generator I had kicking around . You do need compressed air for this generator to work. Here's some pics.
Hi BB,
I've been wondering why I'm seeing so many blakes this year. Now I understand... you've been breeding them.
Is this a one time project or are the going to be more and more blakes in the months to come?
Also, since they are more plentiful will the price go down?
Regards,
Alan
Hi BB,
I've been wondering why I'm seeing so many blakes this year. Now I understand... you've been breeding them.
Is this a one time project or are the going to be more and more blakes in the months to come?
Also, since they are more plentiful will the price go down?
Regards,
Alan
Hi BB,
I've been wondering why I'm seeing so many blakes this year. Now I understand... you've been breeding them.
Is this a one time project or are the going to be more and more blakes in the months to come?
Also, since they are more plentiful will the price go down?
Regards,
Alan
Thats because they are cheaper....arghhhhh...I couldn't get any pressure to the rear blakes at all even using the convetional girlfriend/wife method. I know there's pressure at the front, my new front caliper is leaking. I breed the master 3 times , front and back. I get a jet shooting out the front fitting but not the back. While bleeding it I can see that it's shooting fluid back to the reservior but when I hook it up it's got no flow. It's not leaking out somewhere because the reservior is at the same level.....any pointers here...anybody....I figure the new master is bad.
Work your way from the master cylinder toward the back and see if you can locate the blockage. Since you are getting a stream from the master cylinder during bleeding I would check the proportioning valve first and work back from there.
Thats because they are cheaper....arghhhhh...I couldn't get any pressure to the rear blakes at all even using the convetional girlfriend/wife method. I know there's pressure at the front, my new front caliper is leaking. I breed the master 3 times , front and back. I get a jet shooting out the front fitting but not the back. While bleeding it I can see that it's shooting fluid back to the reservior but when I hook it up it's got no flow. It's not leaking out somewhere because the reservior is at the same level.....any pointers here...anybody....I figure the new master is bad.
Rob;
You need to check your proportioning/combination valve and make sure it isn't shifted to one side. Do you have a brake warning light illuminated on the dash; this will indicate the valve off center. This valve off center will restrict brake pressure to the front or from your description to the rear brakes. Follow the brake lines from the master cylinder; first component is the valve in question.
I have the stream coming out of the front fitting on the master only, everything disconnected after bleeding. Whats confusing is when I bleed the master it looks like the fluid flows well back into the bowl. Everything is brand new except for the proportional and the rear blocks at the kickup, master, SS lines, flex lines, calipers. I will check the proportional tomorrow. But....with the proportional plugged shouldn't you get some pedal pressure? Also I'm working with no power so no lights available.
Ok, read part of the sticky. Did I read correctly that while bleeding the master the pedal should get hard? I never noticed any deference at all. Don't tell me there's air in it either. All the air was pushed out and clear fluid flowed into the bowl. God knows I pushed the pedal enough. Master seals maybe? Everything is new here accept for the proportioning valve.
I have did Corvette brakes many times and never ran into this weird situation. I would rather change/fix the right part rather than just take a guess.
If bleeding a brand new system it is necessary to bench bleed the master cylinder. This cannot be done on the vehicle. You must remove the master cylinder, locate it horizontal in a vice on a workbench and with bleed tubes installed, fill with fluid and depress the plunger repeatedly until there is no evidence of trapped air in the master cylinder. At this point, re-install on the vehicle. Continue with bleed for individual calipers.
Have you bench bled the master cylinder, as above?
OK, valve is centered and I could move the spool with a small allen key quite easily. Putting back together.
When the proportioning valve is re-installed do not depress the brake pedal! As soon as you depress the pedal the brake fluid available to only the front brakes will once again shift the internals of the proportioning valve and shut off flow to the rears.
Suggest re-install the valve and gravity feed the system to get sufficient fluid into the rear lines.
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Gravity bleed the brakes if you remove the proportioning valve. Also sit the master cylinder on the bench by itself and fill it with brake fluid. The brake fluid should drip from both front and rear connection orifices. If it doesn't you won't be able to bleed them.
I also had to use a hand held vacuum pump to help the gravity bleed along for the rear brakes when I replaced everything, lines, calipers etc.
I have also had good success putting two calipers ( front and rear ) side by side in a dark room overnight
Last edited by MotorHead; Aug 2, 2009 at 02:13 PM.
What I did for bleeding the master was to set the hoses up with the master on the car and use the pedal to bleed the master, whats wrong with that?
After everything was hooked up I tried bleeding the front left since the sticky said it didn't matter where you started. I got absolutely nothing there so I went to the left rear and got nothing there.