Bleeding the Brakes

[jbissey]

Hi everyone! Is there some special technique to bleeding the brakes?
I replaced my master cylinder and used a vacuum at each front wheel
and the rear bleeder on my 600 Coupe; thought I got all the air out,
but the brakes are still mushy. I'm going to try again, but wonder
if I'm missing something.

[dealadayray]

Hi There brake bleeder.
There are several issues you need to ensure are happening.
But I have to ask a few questions first, not that I don't think you don't
know what your doing, just that I don't know what your have done so far.
1. Did you rebuild the master cylinder?
If you did, did you change out the check valves?
When you changed out the check valves did you ensure the front one was
for the front and the rear was for the rear, they are different.
2. You did not mention if there are air bubbles coming out when you bleed
the rear system, are there bubbles (air in the system)? Often I find a
resleeved master cylinder can trap air and after a while (drive it down the
road or have some one in the car standing on the peddle while you bleed
them, will help.
3. Then there is the shoe adjustment, did you adjust them all the way out,
and then with a small hammer tap the top of the back plate around the wheel
cylinder bolts to center the shoes? Then adjust them out again. After the
shoes are locked all the way out, back them off until you feel very little
or no touching of the shoes as you turn the wheel. Note: always have your
emergency brake off and loosen the adjustment to the cables.
4. Other problems can stem from the Power Booster, but that is only for the
front system and you are saying they are ok.
Let me know if there is any more or give me a call, XXX-XXX-XXXX
Bill

[D]

Thanks Bill: After a little driving and bleeding again, some more air came out and the brakes got significantly better.  I plan to drive it another week or so then bleed again.  I didn't pre-prime the master cylinder before installing, so that might account for a lot of trapped air.  This group you started is great!
Best regards - Jack Bissey
william colford wrote:

> Hi There brake bleeder.
> There are several issues you need to ensure are happening.
> But I have to ask a few questions first, not that I don't think you don't > know what your doing, just that I don't know what your have done so far.
> 1. Did you rebuild the master cylinder?
>     If you did, did you change out the check valves?
>     When you changed out the check valves did you ensure the front one was > for the front and the rear was for the rear, they are different.
> 2. You did not mention if there are air bubbles coming out when you bleed > the rear system, are there bubbles (air in the system)?  Often I find a > resleeved master cylinder can trap air and after a while (drive it down the > road or have some one in the car standing on the peddle while you bleed > them, will help.
> 3. Then there is the shoe adjustment, did you adjust them all the way out, > and then with a small hammer tap the top of the back plate around the wheel > cylinder bolts to center the shoes?  Then adjust them out again.  After the > shoes are locked all the way out, back them off until you feel very little > or no touching of the shoes as you turn the wheel.  Note: always have your > emergency brake off and loosen the adjustment to the cables.
> 4. Other problems can stem from the Power Booster, but that is only for the > front system and you are saying they are ok.
> Let me know if there is any more or give me a call, XXX-XXX-XXXX > Bill > ----- Original Message ----- > From: > To: > Sent: Saturday, March 01, 2003 11:21 AM > Subject: [anzhonda600owners] Bleeding the Brakes > > Hi everyone!  Is there some special technique to bleeding the brakes?
> > I replaced my master cylinder and used a vacuum at each front wheel > > and the rear bleeder on my 600 Coupe; thought I got all the air out, > > but the brakes are still mushy.  I'm going to try again, but wonder > > if I'm missing something.
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