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07-13-2005, 10:59 AM
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#1
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Master Cylinder/Proportioning valve cleaning....
Thanks to help from Pampered-Z, I got the last of the new brake lines installed last night. 
Before I add fluid and bleed the system I want to clean the master and the proportioning valve, since the fluid that was in the system was black and chunky.
Has anyone done this before? What is the best way? I was thinking of just spraying the inside of the master with brake cleaner and wiping all the crud out of there, and then unhooking the lines from the proportioning valve and adding some fluid to the master. Then pump the brake a few times to get most of that fluid out and into a bucket.
Sound good?
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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07-13-2005, 12:16 PM
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#2
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Join Date: Oct 2004
Posts: 365
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spray the **** out of it with brake clean, put the straw on the nozzle and spray it right in the hole till it comes out clear.
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AIM: blacktoprecs
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07-22-2005, 10:03 PM
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#3
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Join Date: Aug 2004
Location: Montgomery NJ
Posts: 1,271
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Brake clean and btw, it's a combination valve, not just a prop valve :P . It's for the drum brakes and a delay circuit to push the drum shoes out (over power the springs) to give you equal braking at the cost of pedal travel  .
Get some old gasoline and a slosh bucket. Place gas and parts in, slosh, repeat, let sit, repeat after a few minutes and rince... works every time.
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, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue 
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07-22-2005, 10:09 PM
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#4
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Join Date: Oct 2004
Posts: 365
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sounds like someone studied for A5 
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AIM: blacktoprecs
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07-22-2005, 10:28 PM
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#5
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
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Originally Posted by 9secfirebird
sounds like someone studied for A5 |
There was a question on my A5 test about cleaning parts with gas. 
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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07-23-2005, 12:01 AM
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#6
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Join Date: Aug 2004
Location: Montgomery NJ
Posts: 1,271
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Quote:
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Originally Posted by 9secfirebird
sounds like someone studied for A5 |
What? 
__________________
, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue
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07-23-2005, 05:50 AM
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#7
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Join Date: Oct 2004
Posts: 365
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what you said...was a Text Book question from the ASE A5 (brakes) test
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AIM: blacktoprecs
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07-23-2005, 05:28 PM
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#8
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Join Date: Aug 2004
Location: Montgomery NJ
Posts: 1,271
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Quote:
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Originally Posted by 9secfirebird
what you said...was a Text Book question from the ASE A5 (brakes) test
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I've never picked up a text book for ASE! I'm the other side of things. The SAE side 
__________________
, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue
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07-25-2005, 09:37 AM
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#9
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Thanks, I just said screw it and I'm tossing a new master on there. For the price, and considering the condition of everything else that was on the car, it should be worth it.
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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07-25-2005, 05:56 PM
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#10
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
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Originally Posted by Tru2Chevy
Thanks, I just said screw it and I'm tossing a new master on there. For the price, and considering the condition of everything else that was on the car, it should be worth it.
- Justin
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Yeah, brakes aren't something you want to cheap out on.
__________________
Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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