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06-07-2005, 09:43 AM
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#1 |
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Registered User
Join Date: May 2005
Location: Texarkana, AR 71854
Posts: 397
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One last brake ?? (hopefully)
I have replaced all the wheel cylinders, brake shoes, and Master Cylinder. I have front brakes but no back. I have tried to bleed them the regular way and no fluids comes out. I bought a vacuum pump and nothing comes out. So I am sure there is something clogged somewhere. Other than taking all the lines off, is there a way to blow throw the lines without taking them off the truck?
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2006 Titan SE Crew Cab Daily Driver 2005 Mazda Tribute (Wifes car) 1969 C10 SWB 350/3 Fleet "Max" 1969 Chevelle 2 door 350/3 |
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06-07-2005, 09:51 AM
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#2 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,473
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Did You bench bleed the master?
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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06-07-2005, 10:19 AM
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#3 |
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Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,920
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Compressed air?
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1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 |
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06-07-2005, 10:23 AM
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#4 |
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Registered User
Join Date: May 2005
Location: South Mississippi
Posts: 81
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I had the same thing with my conversion to front disc. Two things were wrong, 1) The combination valve had shuttled and gave a hard pedal but no rear, 2) The outlet area on the distribution block to the rear was stopped up with junk. Cleaned out the crap and reset the combo, check this troubleshooting guide http://www.mpbrakes.com/troubleshooting.htm. Broke connections from the rear forward untill I did get flow. Hope this helps
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06-07-2005, 11:04 AM
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#5 | |
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Registered User
Join Date: May 2005
Location: Texarkana, AR 71854
Posts: 397
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Quote:
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2006 Titan SE Crew Cab Daily Driver 2005 Mazda Tribute (Wifes car) 1969 C10 SWB 350/3 Fleet "Max" 1969 Chevelle 2 door 350/3 |
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06-07-2005, 11:43 AM
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#6 |
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~Rest In Peace~
Join Date: May 2005
Location: CALIFORNIA NOR CAL
Posts: 9,707
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try bleed the mastercylinder again just pump up the brakes and hold them crack the line and wait for a stead stream of fluid once thats done then go back to the rear and bleed them if nothing comes out then go to and check the comb block crack the line where it goes into the block see if it bleeds out if not the it a bad mastercylinder
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is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex |
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06-07-2005, 12:13 PM
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#7 | |
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Registered User
Join Date: May 2005
Location: Texarkana, AR 71854
Posts: 397
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Quote:
I am ingorant when it comes to trucks. But I am learning. More info...when using the vacuum pump the pressure keeps rising and rising like no air is being drawn out. Wouldn't that be a stopped hose? Please excuse my ignorance.
__________________
2006 Titan SE Crew Cab Daily Driver 2005 Mazda Tribute (Wifes car) 1969 C10 SWB 350/3 Fleet "Max" 1969 Chevelle 2 door 350/3 |
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06-07-2005, 12:22 PM
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#8 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,473
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Crack the line =loosen the nut,just enough to get fluid flow.Do this at each joint,one at a time.
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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06-07-2005, 12:28 PM
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#9 |
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Registered User
Join Date: Sep 2003
Location: Rayne, LA
Posts: 2,781
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Just a thought, I had a similar problem before and it turned out to be a collapsed brake hose from the frame to the rear axle. I don't know if you replaced those or not. Mine looked fine from the outside but it separated on the inside to cause the clog.
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Steven "If dogs don't go to heaven, when I die I want to go wherever they went." -- Will Rogers R.I.P. Oscar R.I.P. Ratchet 1967 Pontiac GTO - Dad was the Original Owner 1970 Chevy 2wd SWB "Oscar's Truck" 1970 Chevy 2wd Blazer "Ratchet's Blazer" 2013 Chevy 2500HD Crew Cab Duramax/Allison Z71 LTZ "Brown Sugar" 2017 Chevy Suburban "BDB" 2020 Chevy Blazer Premier "Foxy" Member of Louisiana Classic Truck Club (LCTC) Shop Build |
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06-07-2005, 01:48 PM
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#10 |
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Registered User
Join Date: Jul 2001
Location: Lynnwood, washington
Posts: 121
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I also had the same callopsed rear brake hose problem that caused similar results. I would replace that hose. The only indication I saw was it was damp where the high pressure fitting.
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1972 chev c20 2wd lwb 350v8/th350. (dad's)1970 gmc longstep (9ft commercial bed), 1 ton, 2wd, 350/th400. |
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06-07-2005, 02:15 PM
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#11 |
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Registered User
Join Date: May 2005
Location: Texarkana, AR 71854
Posts: 397
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That might be it, I have replaced every rubber hose except that one, because it appeared to be in good shape.
You guys are the best..Will keep you informed.
__________________
2006 Titan SE Crew Cab Daily Driver 2005 Mazda Tribute (Wifes car) 1969 C10 SWB 350/3 Fleet "Max" 1969 Chevelle 2 door 350/3 |
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06-07-2005, 02:18 PM
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#12 |
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Registered User
Join Date: Jul 2001
Location: Lynnwood, washington
Posts: 121
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mine was on a 72 3/4 ton w/ a dana 60. everybody listed the wrong part. I had a guy at my local repair shop look in a book and found the correct part #. the only thing I don't like is the hose is 12" to long, but I was moving and need my truck so I had them coil ti and zip tie it.
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1972 chev c20 2wd lwb 350v8/th350. (dad's)1970 gmc longstep (9ft commercial bed), 1 ton, 2wd, 350/th400. |
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06-09-2005, 12:26 AM
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#13 |
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Registered User
Join Date: Dec 2004
Location: NW, WA.
Posts: 1,421
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"...when using the vacuum pump the pressure keeps rising and rising like no air is being drawn out. Wouldn't that be a stopped hose?"
Maybe a clogged bleeder? They are down there where are the road dirt and mud can build up, easy to pull and check. |
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