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6/20/09 6:07am - Original Message: 'Brake problems'
Corvette77
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Joined: 6/18/2007
Posts: 25
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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6/20/09 7:58am - Reply: 'Brake problems'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

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

Joined: 11/8/2003
Posts: 19457
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.


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Joel Adams
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6/20/09 11:16am - Reply: 'Brake problems'
Ron 78 Lifetime Member
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BINGHAMTON, NY - USA

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Joined: 7/19/2003
Posts: 3805
Brother Joel's hit the nail on the headClap,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 itThumbs Up

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6/20/09 11:48am - Reply: 'Brake problems'
bio11
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Oklahoma City, OK - USA

Vette(s):
1972 LS5 Convertible,Auto.Targa Blue with Black Interior.

Joined: 4/1/2007
Posts: 432
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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6/22/09 3:14pm - Reply: 'Brake problems'
Corvette77
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Joined: 6/18/2007
Posts: 25
Once again you guys are right. Brakes work fine after new hoses!
 
Thanks alot guys
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6/22/09 3:23pm - Reply: 'Brake problems'
dskopp
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Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
Thats one of the reasons we be here !!!

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7/30/12 8:07pm - Reply: 'Re: Brake problems'
Bobbi's78 Lifetime Member
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Coatesville, PA - USA

Vette(s):
1978 Silver Anniversary Paint w/Mahogany Interior

Joined: 3/17/2007
Posts: 349
Thanks again to Joel!!!...3 years later. LOL 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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