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brake system messing up

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Old Oct 24, 2013 | 10:02 PM
  #1  
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
brake system messing up

ok so here it is. ive replaced the following
mastercylinder twice
calipers
front flex hoses
rear wheel cylinders

ok so i cant get this .when i pump the brakes and then open the back bleeders it doenst come out freely it just oozes out while the brake pedal is pressed.when its open and i pump the brakes it does come out . ive bled the front and they dont totally release the grip the wheels and i cant turn the hubs by hand and im worried about that anyone that can help me is greatly appreciated. i am suspecting its the combination valve but i cant find a replacement of it
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Old Oct 25, 2013 | 03:59 AM
  #2  
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From: Mattoon Il.
Car: 1989 IROC-Z / T-Top -1987 GTA
Engine: 305 (LO3) _350 (L98)
Transmission: 700R4 _ 700R4
Axle/Gears: 2.73 L.S. - ???
Re: brake system messing up

maybe take your proportioning valve off and check it out for broken springs or gunk that needs cleaned
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Old Oct 25, 2013 | 04:38 AM
  #3  
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From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: brake system messing up

There is one more hose you need to change. It is in rear center section of the differential. This feeds both rear wheel cylinders and connects to the metal brake lines. This causes the problems you are having.

Last edited by Edwardgp; Oct 25, 2013 at 04:41 AM.
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Old Oct 25, 2013 | 11:02 AM
  #4  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

ok and how bout the front calipers they are grabbing then not retracting i was told once you cant turn the hub by hand and need the wheel on it to turn it
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Old Oct 25, 2013 | 03:45 PM
  #5  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

bump
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Old Oct 25, 2013 | 06:12 PM
  #6  
Edwardgp's Avatar
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From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: brake system messing up

On disc brakes there will always be some friction. How many miles do you have on it now after the brake job.
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Old Oct 25, 2013 | 06:56 PM
  #7  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

none it sat for 2 years in the previouse owners yard. i bought it for 350 bucks and once i got it on blocks i did the brake job and only place she moved is around the yard before the last bleeding session i tried to move here and had to floor here to make her move at all i dontk now if there saposed to do that
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Old Oct 25, 2013 | 06:58 PM
  #8  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

she also hase 158000 miles on her
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Old Oct 26, 2013 | 09:05 AM
  #9  
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From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: brake system messing up

No that isn't normal to have that must drag on the brakes. When you open the bleeder on the front discs does the wheel turn freely then?
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Old Oct 26, 2013 | 12:19 PM
  #10  
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

no i cant i had to open the bleeder screw and use a c clamp to push the pistons in to spin the wheels do i have to replace them agian
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Old Oct 26, 2013 | 12:21 PM
  #11  
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

seeing how my little nefew last wee put transmission fluid in the system ive flushed everything but was wondering if i have to replace the calipers agian
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Old Oct 26, 2013 | 02:23 PM
  #12  
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

bump
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Old Oct 26, 2013 | 08:20 PM
  #13  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

bump
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Old Oct 26, 2013 | 09:21 PM
  #14  
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From: TN
Car: 1990 Camaro RS
Engine: L31
Transmission: 700R4
Re: brake system messing up

I have seen transmission fluid put into a brake system before when I did shop work. That car got new brake hoses. The master cylinder gasket swelled up something crazy.
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Old Oct 27, 2013 | 09:22 AM
  #15  
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From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: brake system messing up

Swelled up seals could be the problem.
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Old Oct 27, 2013 | 11:17 AM
  #16  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

well ive re replaced the master cylinder what do i do about the seals
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Old Oct 27, 2013 | 11:35 AM
  #17  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

im pulling my hair out were are all the brake seals can someone give me a list of everything i need to do to fix this brake system problem
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Old Oct 27, 2013 | 12:48 PM
  #18  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

and does anyone know were to get a new combination valve
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Old Oct 27, 2013 | 06:38 PM
  #19  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

so with the remanufactured master cylinder when i press the brake pedal it travels a few inches then goes solid making the back resevoir engage but the front one isnt pushign fluid at all and a seal in the combination valve riped for the front port i need a new combination valve and the front brakes are still clamping then when i let off there not releasing so yea i have no idea what to do and im getting tired of it i want it fixed now
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Old Oct 28, 2013 | 12:33 PM
  #20  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

bump
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Old Nov 30, 2013 | 06:01 PM
  #21  
Barlow8869's Avatar
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Posts: 512
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From: Mattoon Il.
Car: 1989 IROC-Z / T-Top -1987 GTA
Engine: 305 (LO3) _350 (L98)
Transmission: 700R4 _ 700R4
Axle/Gears: 2.73 L.S. - ???
Re: brake system messing up

i had a problem with one of my calipers not releasing on my old fiero, all i had to do was spin the piston 180 deg. ... no clue what was wrong with it, i just assumed it was worn to bad, and letting it **** in there a little and get into a bind
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Old Nov 30, 2013 | 08:40 PM
  #22  
mikey8494's Avatar
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From: washington nc.
Car: 1986 camaro iroc z
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: brake system messing up

well once i bled her everything work shes now on the ground and ready for insurance inspection and tags
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Old Nov 30, 2013 | 09:40 PM
  #23  
Barlow8869's Avatar
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From: Mattoon Il.
Car: 1989 IROC-Z / T-Top -1987 GTA
Engine: 305 (LO3) _350 (L98)
Transmission: 700R4 _ 700R4
Axle/Gears: 2.73 L.S. - ???
Re: brake system messing up

sweet, nice to hear that
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