front calipers locked up - The 1947 - Present Chevrolet & GMC Truck Message Board Network

salrod00 · 09-15-2008, 11:14 PM

i recently dropped a 89 tbi 350 motor in my 85 short bed, i was driving it for about twenty minutes when both of my front calipers got stuck. any ideas... its kinda strange that both of them lock up at the same time. this only happens after the truck being ran for over thirty minutes. ..

**Captkaos** · 09-15-2008, 11:44 PM

You brake hoses need replacing.

**old Rusty C10** · 09-16-2008, 10:09 PM

when you replace the rubber lines you may wanna flush out the fluid as chances are there is dirt or junk from deteriorated rubber lines.. you may also wind up going for calipers too
also check the bottom of the master for dirt and if there is any junk there, just suck it out with one of them syringe type master cylinder bleeders

andresco50 · 09-16-2008, 10:29 PM

You have to lubricate the calipers´s pistons with white grease, that happened in my ktm bike

09-15-2008, 11:14 PM	#1
salrod00 Registered User Join Date: Dec 2007 Location: tyler texas Posts: 165	front calipers locked up i recently dropped a 89 tbi 350 motor in my 85 short bed, i was driving it for about twenty minutes when both of my front calipers got stuck. any ideas... its kinda strange that both of them lock up at the same time. this only happens after the truck being ran for over thirty minutes. ..

09-15-2008, 11:44 PM	#2
Captkaos www.73-87chevytrucks.com Join Date: Dec 1999 Location: Birmingham, AL Posts: 6,935	Re: front calipers locked up You brake hoses need replacing. __________________ Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com

09-16-2008, 10:09 PM	#3
old Rusty C10 Robert Olson Transport Join Date: Oct 2002 Location: recent transplant to NC USA Posts: 20,310	Re: front calipers locked up when you replace the rubber lines you may wanna flush out the fluid as chances are there is dirt or junk from deteriorated rubber lines.. you may also wind up going for calipers too also check the bottom of the master for dirt and if there is any junk there, just suck it out with one of them syringe type master cylinder bleeders __________________ Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!!

09-16-2008, 10:29 PM	#4
andresco50 Registered User Join Date: Jan 2008 Location: Lakeworth, Fl Posts: 633	Re: front calipers locked up You have to lubricate the calipers´s pistons with white grease, that happened in my ktm bike __________________ 2001 silverado 2wd 2003 silverado 4wd 1975 scottsdale c10 (project)

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