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Booster goes WOOOSHHHH!!

Started by T16, August 16, 2007, 02:39:10 PM

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T16

August 16, 2007, 02:39:10 PM
When i press the brakepedal the booster goes.. WOOOOOOSHHHHH!!

Is this normal/ok..?

68chrgrwife

#1
August 16, 2007, 03:05:00 PM
maybe air in the line?
MOPAR OR NO CAR BABY!
LOVING MY HUBBY: CHARGERMAN68
1973 DODGE CHALLENGER: SOLD :(
1968 DODGE CHARGER RT CLONE (OK, SO IT'S HUBBY'S BUT IT'S MINE TOO, RIGHT?)
2008 DODGE CHARGER
2005 DODGE MAGNUM R/T (YES IT'S GOTTA HEMI)!



Nacho-RT74

#2
August 16, 2007, 04:09:32 PM
Mine did since I got. Recently rebuilt it and still does it but less than before... anyway never have had a fail because that.
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

T16

#3
August 16, 2007, 04:16:59 PM
Ok.. brakes are good.. so i guess its ok.

Anyway.. got weak vaccum reading (http://www.dodgecharger.com/forum/index.php/topic,32519.0.html) and though this maybe was the problem.. gonna try to block all vacuum sources of tomorrow, and se if it´s getting better

Thanks  :cheers:

OldGuy

#4
August 16, 2007, 05:38:31 PM
Sounds like there is a leak in the booster somewhere.  However, if there is a booster leak the brakes gradually fade and the pedal goes to the floor.
"I can tell by your sarcastic undertones, rude comments and total lack of common decency, that you and I could be best friends".

THE COLONEL

#5
August 16, 2007, 05:56:17 PM
Quote from: OldGuy on August 16, 2007, 05:38:31 PM
Sounds like there is a leak in the booster somewhere.  However, if there is a booster leak the brakes gradually fade and the pedal goes to the floor.

That's what happened to me this past weekend. :rotz:
"THE COLONEL....DIFFERENT RANK...SAME ATTITUDE"

Nacho-RT74

#6
August 16, 2007, 09:33:05 PM
no, I have experienced that "woooshhh" stuff. Is pretty more that when you press pedal then being you are enlarging the room on this side of vacuum chamber on booster, then needs to fill that enlarged volume with the air enterng from somewhere, pretty sure throuth rear "seal" of booster piston.
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

is_it_EVER_done?

#7
August 22, 2007, 02:49:04 AM
Assuming you don't have a leak in the booster somewhere, the Whoosh is caused from a improperly adjusted M/C pushrod (from the booster into the M/C). Remove the master (you don't have to remove the brake lines), and adjust the pushrod to make it longer.

Nacho-RT74

#8
August 22, 2007, 09:16:56 AM
mine is adjusted
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

Charger_Fan

#9
August 26, 2007, 02:44:04 PM
Did it just start making the whoosh noise recently? If so, I'm betting the booster diaphragm has developed a crack or hole in it, causing a vacuum leak. I just went through this very thing on my F250...HUGE hole in the diphragm. I replaced it with a new one & all's well with the world again. :icon_smile_cool: :lol:

The Aquamax...yes, this bike spent 2 nights underwater one weekend. (Not my doing), but it gained the name, and has since become pseudo-famous. :)
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