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Brake Bleed Problems After New Wheel Cylinders

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Old 11-29-2009, 07:23 PM
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heres a link were to buy one.. hope this helps

http://www.olddogstreetrods.com/osc/...cb69297d87ef21
Old 12-01-2009, 11:45 PM
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not completely unrelated to this thread, but I want to figure out how much drag is acceptable in front wheels.

A few months ago I discovered that one caliper was dragging really bad--to the point that the tire wouldn't freely rotate after jacking it up.

I rebuilt that caliper, which seemed to help, but even after putting it back together, my front wheel would only spin about 1 full revolution before slowing coming to a stop. There was a little back spin, but not much. I've got 31 Inch tires..dunno if that would make much difference.

I can't remember if this is normal. Seems like it should spin at least a few revolutions. No?
Old 12-02-2009, 12:21 AM
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Red face

Wheel bearing to tight maybe
Old 12-02-2009, 01:00 AM
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Originally Posted by briholt
not completely unrelated to this thread, but I want to figure out how much drag is acceptable in front wheels.

A few months ago I discovered that one caliper was dragging really bad--to the point that the tire wouldn't freely rotate after jacking it up.

I rebuilt that caliper, which seemed to help, but even after putting it back together, my front wheel would only spin about 1 full revolution before slowing coming to a stop. There was a little back spin, but not much. I've got 31 Inch tires..dunno if that would make much difference.

I can't remember if this is normal. Seems like it should spin at least a few revolutions. No?
I've also seen this caused by a colapsed brake line. This will no be visible on the outside as they colapse takes place on the inside. Check for cracks in your lines or just replace them if they've never been done, good excuse to get steel braided lines...
Old 12-02-2009, 06:40 AM
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Originally Posted by wyoming9
If I don`t adjust the rear brakes up to the correct drag i was also never able to get a good brake pedal. Because the wheel cylinders are pushing nothing .
Did you check the rear brake adjustment like wyoming suggested? You will never get a firm pedal if the brakes are not adjusted properly. The long stroke of the pedal is because of the long stroke of the wheel cylinders before the shoe makes contact with the drum.
Old 12-04-2009, 05:35 PM
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Thumbs up

Quick update:
For the past couple of days i have been trying gravity bleeding with great success!!!!
I can now do 70 in the highway knowing ill be able to stop

For anyone interested here's how i did it:

1.Attach tubing to bleeder and other end into a 1/4 full gatorade bottle (enough for tubing to be submerged)
2.Position bottle somewhere above the bleeder (on top of tire worked great for me)
3.Crack bleeder open till fluid starts moving up the tube.
4.Pump the brakes (not all way down)

Did this for a while, keeping an eye on the reservoir fluid level.( I reused the fluid that was pumped out of bleeder. It was clean!!)

5.Close bleeder and disconnect hose.
6. Repeat for all others.

It wasn't easy or quick but got the job done. I still may have to do it a couple times more since i suspect a little air still there, but pedal is 100 times better than what it was!!

And thanks to all of those who helped. (u know who u r)

Last edited by streetlancer; 12-04-2009 at 05:38 PM.
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