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crzy_1200_ute
Maddat booster set up.. question why it wont work
#1
No life (a.k.a. DattoMaster)
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hey guys,

the booster i got on my car is a maddat one, the hose has vaccum what connects to the booster,

but i got a hard pedal all the time... even when the car is started..

what could it be? #OOPS#ty booster? can u open them up?

Posted on: 2010/1/23 13:50
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tommo73
Re: Maddat booster set up.. question why it wont work
#2
No life (a.k.a. DattoMaster)
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u can open them up( not suggested )
can u here hissing coming from the booster when u apply brakes?
is there any difference in peddle hardness going not going?

Posted on: 2010/1/23 14:02
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crzy_1200_ute
Re: Maddat booster set up.. question why it wont work
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No life (a.k.a. DattoMaster)
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yeh when i pump it i can hear a hissssss.. but we didnt find were it wsa comming from.. check the hose an that..

yep pedal is hard 24/7

Posted on: 2010/1/23 14:07
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crzy_1200_ute
Re: Maddat booster set up.. question why it wont work
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No life (a.k.a. DattoMaster)
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i dont have a vac check valve... could that be the problem?

Posted on: 2010/1/23 14:16
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tommo73
Re: Maddat booster set up.. question why it wont work
#5
No life (a.k.a. DattoMaster)
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hissing is coming out of booster were rod comes out
that go's to pedel,its fvked

Posted on: 2010/1/23 14:18
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taking up room at home
3 now 2 1200 sedans,3 now 2 1200 coupes,3 now 2 1200 utes
1 1000 wagon,2 s13 silvia's,tranzit tray
hzj75 cruzer tray(for sale)
and allways changing
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crzy_1200_ute
Re: Maddat booster set up.. question why it wont work
#6
No life (a.k.a. DattoMaster)
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can they be fixed? if so how much you reckon?

so the rod that connects to my pedal its #OOPS#'d on that side or the master cyclinder side?

the hisss you can hear is a SSHHH sounds when u pump the pedal

Posted on: 2010/1/23 14:24
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tommo73
Re: Maddat booster set up.. question why it wont work
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No life (a.k.a. DattoMaster)
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can be fixed
hissing coming from pedal side
hissing is vacume leaking in the booster when u apply brakes
booster vents into cabin not engine bay
try your local parts supplyer they should be able to get it rebuilt

Posted on: 2010/1/23 14:30
_________________
taking up room at home
3 now 2 1200 sedans,3 now 2 1200 coupes,3 now 2 1200 utes
1 1000 wagon,2 s13 silvia's,tranzit tray
hzj75 cruzer tray(for sale)
and allways changing
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sssute
Re: Maddat booster set up.. question why it wont work
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Ben, i think you have #OOPS#ed the booster by not nunning a check valve, the valve holds vacume when your engine is at high revs, and also stops boost pressure entering the booster. By not running one the boost pressure has eather popped your diaphragm or the seal has slipped.
Bring it up one day and i'll see what it is.

Posted on: 2010/1/23 21:50
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crzy_1200_ute
Re: Maddat booster set up.. question why it wont work
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No life (a.k.a. DattoMaster)
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Scott i would of thought when you buy products if another product was needed you would of been told or the part would also been sold with it..

yeh i might just go to u pull it an get a valve an see if it works

Posted on: 2010/1/24 0:06
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dattoman_1000
Re: Maddat booster set up.. question why it wont work
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No life (a.k.a. DattoMaster)
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You will hear a hissing noise when the booster is applied anyway

Check the front seal of the booster where it goes to the master... Dastun boosters are notorious for ripping the seal

As for check valve... yes make sure you fit one
When you bought it maybe they assumed you already had one on the car in the line

Posted on: 2010/1/24 3:13
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