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post #1 of (permalink) Old 08-15-2001, 07:58 PM Thread Starter
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Brake booster/rod adjustment ??

Any ideas as how to make a "gauge" to adjust the brake booster rod to the master cylinder? I thought I had a good idea (wrong!) and jury rigged a home brew one. Well, needless to say it didn't work out resulting in my brakes being always charged. I backed off the rod to where it was initially and bled the system, but now my brakes are worse than when I started. On the plus side, I did install the master cylinder gasket as there was none. Little consellation.......
Been working too long on this.....
Any ideas????

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Crow

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post #2 of (permalink) Old 08-15-2001, 08:02 PM Thread Starter
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Re: Brake booster/rod adjustment ??

Perhaps I'll take the master cylinder/booster from my parts zook.....

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post #3 of (permalink) Old 08-16-2001, 01:03 PM
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Re: Brake booster/rod adjustment ??

Make sure the booster is good, To adjust it you need to measure the depth to the piston on the MC/ You can do this with a caliper. Then measure the end from the booster.
don't get too greedy on trying to get it with no gap as then your brakes will be engaged but just try to get it close.

Glenn
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post #4 of (permalink) Old 08-16-2001, 01:44 PM Thread Starter
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Re: Brake booster/rod adjustment ??

Thanks Glenn! I must ask this question, silly as it may seem. What does a caliper look like? Inquiring minds want to know.....LOL!

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post #5 of (permalink) Old 08-16-2001, 01:45 PM Thread Starter
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Re: Brake booster/rod adjustment ??

What is the procedure, other than the FSM, to tell if the booster is ok? Thanks.....

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post #6 of (permalink) Old 08-16-2001, 01:53 PM
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Re: Brake booster/rod adjustment ??

Well A caliper from a machine shop will look like an F when open some, It is a measuing tool. You can buy cheap ones
from harbor frieght or sometimes stores. one of the funtions they do is a metal rod pokes out the bottom of it
as you open it and the amount it is open up at the jaws
is the same as this rod protrudes from the bottom, so you
can use it as a depth guage, (Not accurate to the thous, but it works.) The other way to improvise one is drill a 1/8"
hole in a block of hard wood and then put a 1/8" dowel
with a rounded tip into the hole and use that as your guage.
With my booster, It seemed to work fine, Made a squanking sound once in awhile. I swapped the one in from the parts truck (Cleaned it and painted it) and it works much better.

Glenn
87' Zook Spoa,M/L 33's, 4.16 tcase,4.62 gears Camo,Header,2"exhuast, Cam.
Lockers, 8klb winch, -Wildweasel2 NE4WI- club http://www.cs.umass.edu/~glenn/personal.html
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post #7 of (permalink) Old 08-17-2001, 12:21 AM Thread Starter
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Re: Brake booster/rod adjustment ??

Thanks again Glenn! I swapped the booster with a known good working booster. Much improved over what I had, but still not perfect. I'll look into the rear brakes now.

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Crow

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