C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Brake booster removal.

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Old Apr 11, 2012 | 03:52 PM
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Default Brake booster removal.

I just removed the old brake booster from my 1990 and thought I would mention that if you use 1/4" drive extensions, it's much much easier to get to the nut that is pretty much under the steering column. I had a few adapters and I made sure my 1/4" extension (was about 6" long or so) was right before the socket. If I had two 6" long 1/4" extensions, it would have been even easier.
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Old Apr 11, 2012 | 05:02 PM
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I'm going to be doing my first brake booster change this weekend and have been scouring the site for tips. Thanks for taking the time to post this.
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Old Apr 11, 2012 | 05:17 PM
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From: chiefland fl
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Thats what I just used on mine, along with a 1/4" swivel. I also had to put a couple washers on the inside threads too since the after market steel booster I purchased from Advanced Auto wouldn't tighten down enough. (it's deffinately a job you only wanna do once )
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Old Apr 11, 2012 | 05:30 PM
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Originally Posted by billybonesmusic
Thats what I just used on mine, along with a 1/4" swivel. I also had to put a couple washers on the inside threads too since the after market steel booster I purchased from Advanced Auto wouldn't tighten down enough. (it's deffinately a job you only wanna do once )
So I hear! However, I'll have to say that all of the things I've done so far have been easier than I expected based on warnings from the forum. So I'm keeping my fingers crossed!

Did you take out the seat? Consensus seems to be that it makes the job *much* easier.

BTW, I looked at Advance Auto for the booster, but theirs is plastic according to the specs (and the picture). So I got mine from Corvette Central.

Anyway it's going in either this weekend or next!
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Old Apr 11, 2012 | 05:42 PM
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I hear ya brother. I think mine was a steel cardone or something they may have discontinued it (hence the washers i had to use, they must have read my review heh) the nuts are tapered so tough going off, and tough going on. I put regular nuts on there after having to do it twice since it wouldn' cinch down the first time. It deff is a PITA getting in there. If getting the seat out comes easy for you I say do it. If you use a flash light you can get a visual on the nuts and steer your socket in the right direction. Using a small ratchet to get in there but there is a trade off for the amount of torque you can put on it. Gotta have REAL man hands with the ***** to turn it
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Old Apr 11, 2012 | 05:51 PM
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Originally Posted by billybonesmusic
the nuts are tapered so tough going off, and tough going on. I put regular nuts on there after having to do it twice since it wouldn' cinch down the first time.
I'll keep that in mind.

Originally Posted by billybonesmusic
It deff is a PITA getting in there. If getting the seat out comes easy for you I say do it.
I haven't done it yet, but it's supposed to be easy. If I remember right, you just pop out the bottom seat cushion, unbolt the seat, and pull it out. It's supposed to make it much easier to work under the dash, and I don't doubt it. I'm planning on doing it.

Originally Posted by billybonesmusic
Gotta have REAL man hands with the ***** to turn it
OK-- now the pressure's on; don't want people to think I have girly hands!

Thanks for the tips!
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Old Apr 11, 2012 | 05:59 PM
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From: chiefland fl
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Originally Posted by Jim Rogers
I'll keep that in mind.



I haven't done it yet, but it's supposed to be easy. If I remember right, you just pop out the bottom seat cushion, unbolt the seat, and pull it out. It's supposed to make it much easier to work under the dash, and I don't doubt it. I'm planning on doing it.



OK-- now the pressure's on; don't want people to think I have girly hands!

Thanks for the tips!
haha I'll admit it! I quit the first time and let my machinest freind do it
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Old Apr 11, 2012 | 07:43 PM
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i dropped the steering coulmn and it gives you a straight shot at both of the nuts
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Old Apr 11, 2012 | 09:16 PM
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Having done this a while ago I would like to suggest you put a very small dab of grease on the nuts so they don't drop out of the socket as you are putting them on. I found it was easier to grease the nut, put it in the socket, and then put it on the stud.
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