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

Early C4 Power Brake Booster

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Old May 18, 2004 | 02:36 PM
  #1  
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Default Early C4 Power Brake Booster

Holy hell was that interesting to get out yesterday!

3 of the 4 bolts were simple, but that last one dear lord is it jammed in there! I barely got it out struggling with a 1/4" drive ratchet and socket with 3" extension. Installing this thing should be a real blast when it comes time for that one again!

The nice thing about this is that it gave me a HUGE amount of room to work with getting the clutch hose and slave cylinder out. :cool:
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Old May 18, 2004 | 02:55 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

Are you talkin about that one bolt on the underside of the dash thats covered up by the insulation and that plastic stuff ?? I spent like 30 minutes trying to get that stupid bolt off :lol:
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Old May 18, 2004 | 02:59 PM
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Default Re: Early C4 Power Brake Booster (Wheelman)

Ummm..... lets see I was upsidedown in the chair looking at it sooooo it would have been the one on the passenger side next to the steering column with aluminum bracing around it. Damn I fear having to go back in there. :lol:
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Old May 18, 2004 | 03:13 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

:lol: I went out and bought a 3/8" drive swivel and a super azz long extension just for that stinking thing.
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Old May 18, 2004 | 03:15 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

yeah thats the one....Its hard to work when you are upside down with all the blood rushing to your head :crazy:
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Old May 18, 2004 | 03:18 PM
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Default Re: Early C4 Power Brake Booster (VetteNoob)

:lol: I went out and bought a 3/8" drive swivel and a super azz long extension just for that stinking thing.
Really? Do you remember what path you took to it? I could not get any 3/8" stuff anywhere near it.
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Old May 18, 2004 | 03:50 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

Let me go crawl under there real quick and see if I can remember how that bastage came out..... bbiab


EDIT: My brake booster only has 2 bolts attaching it to the firewall. Let me go back and double check once more.

EDIT x2: Yep. My booster only has 2 mounting bolts attaching it to the firewall.

Driver's side


Passenger side


If it helps ANY, I snuck the 12" long extension with the 3/8" swivel at the tip around the passenger side of the steering column. I figured it was easier to push aside the wires. Once I had the swivel, it didnt take very long.

Good luck.
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Old May 18, 2004 | 03:53 PM
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Default Re: Early C4 Power Brake Booster (VetteNoob)

Thanks I'll try that. Mine only has 2 inside also. The other 2 i mentioned where the ones holding the master cylinder onto it. :)
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Old May 18, 2004 | 04:39 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

I used a ten inch extension, and 1/4 swivel, wedge the nut into the socket with a small scrap of cardboard or something, then you won't have to hold the nut in, just rest it up there and start turning the extension by hand. :cheers:
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Old May 19, 2004 | 08:41 AM
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Default Re: Early C4 Power Brake Booster (scorp508)

with the new one getting the holes to line up was a bitch. :smash: :cuss
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Old May 19, 2004 | 09:10 PM
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Default Re: Early C4 Power Brake Booster (VetteNoob)

Hey, VetteNoob, that worked! I tried a new way "around" the steering column and was able to get it great with my 3/8" stuff. :cheers: Brakes are 100% again! :D
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Old May 19, 2004 | 09:16 PM
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Default Re: Early C4 Power Brake Booster (scorp508)

:thumbs:
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