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Hello Guys
I have a 77 and the right front caliper locked up while I was driving. I managed to get it home and ordered a new caliper. I replaced it and started to drive it again it had a little drag at first but nothing serious. where I got home after abour 45 min drive the entire trim ring was black with brake dust. So the caliper is still locked on more than it should. will this work it self out you would it be the portioning valve?
Thanks
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22715
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Change the caliper hose(s) first, especially the one on that side. The hose can collapse on the inside, and not allow the fluid to release from the caliper. Sounds like a classic case of hose damage.
If there was a problem with the p-valve, it wouldn't just effect the one side. Get some new hoses, install, and bleed. That should correct the problem.
If there was a problem with the p-valve, it wouldn't just effect the one side. Get some new hoses, install, and bleed. That should correct the problem.
Joel Adams
C3VR Lifetime Member #56 
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(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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R
Brother Joel's hit the nail on the head
,I had the same problem last year,the inside of the brake hoses turns into jello after years.replace them ,may as well do all four while your at it
,I had the same problem last year,the inside of the brake hoses turns into jello after years.replace them ,may as well do all four while your at itC3VR Lifetime Member #93
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If you want a little better feel...little stiffer pedal then spend a little more and get the stainless steel lines.
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C
Once again you guys are right. Brakes work fine after new hoses!
Thanks alot guys
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Free Member
Send PMOak Creek, WI - USA
Joined: 5/21/2008
Posts: 2041
Vette(s): 1981 Great White Shark. Red Interior, 350/190 hp. PS, PB (SS), A/C CC, T-Tops. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vettes Car Club. 175,000 Original miles!! Now own a 1998 C-5!
Thats one of the reasons we be here !!!
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Thanks again to Joel!!!...3 years later. 
Discovered I had the same problem after I arrived at Eboland on Thursday night (right rear wheel & fender covered with brake dust & caliper not releasing). Searched the forum & confirmed our suspicions - Thanks again !! Got a new line & Frank & the guys installed it Friday afternoon. Runnin great now!
Discovered I had the same problem after I arrived at Eboland on Thursday night (right rear wheel & fender covered with brake dust & caliper not releasing). Searched the forum & confirmed our suspicions - Thanks again !! Got a new line & Frank & the guys installed it Friday afternoon. Runnin great now!
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in Forum: C3 Engines, Driveline and Handling
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