99 1500 caliper sticking

Hayden · 08-27-2008, 07:55 PM

Took my brothers truck to tow my camper up north and the front driver caliper stuck after a few minutes and a few miles down the road. I replaced the caliper (dual piston caliper $65) and it still does it. I was told the rubber line might me cracked or peeled on the inside but havent replaced that yet.. Has anyone had this problem before. Just the drivers side does it so it kinda rules out the master cylinder. could it be the porportioning valve also?

mudseeker · 08-27-2008, 09:34 PM

nah, it's the rubber line.

hotrodpc · 08-27-2008, 10:37 PM

Yes sir. Its the rubber line. Of all my years working on vehicles never seen anything so strange, but I had the same issue just 2 weeks ago on my 80 GMC and that is what it was. Funny thing was, the line appeared to be in good shape. But I guess the inners tear apart, fluid will go one way, but will not let it back up working like a one way valve. Replace the line, problem solved. I have a thread posted about it, something titled 80 GMC Brake ....

gmctrucks · 08-28-2008, 01:41 AM

Yes I have heard it happening in fact I have two new one's for my truck im just needing to put them on.

bradrhale · 08-28-2008, 06:52 AM

rubber line like everyone else.

leolkfrm · 08-28-2008, 10:38 AM

When you replaced the caliper did you flush the line? Brake fluid gets like molasses over time, you need to bleed it till the fluid is clear and the pedal go down easy (if its a manual bleed with another person). If this is the case then flush all the lines.

Hayden · 08-29-2008, 01:42 PM

Thanks for the replies. I havent had a chance to work on it yet but do have the line since that is what I thought the problem was. I just wanted some of your opinions on the matter. I'll let you all know what the outcome was. Thanks

rdhack · 08-29-2008, 02:40 PM

Always replace the line first...its the cheapest, then the caliper if needed.

rdhack · 08-29-2008, 02:40 PM

OH and go ahead and do both sides if you are keeping this truck for a while.

Hayden · 08-31-2008, 02:18 PM

It was the line. Works good now. Thanks all

08-27-2008, 07:55 PM	#1
Hayden Senior Member Join Date: May 2006 Location: Bay City,Michigan Posts: 382	99 1500 caliper sticking Took my brothers truck to tow my camper up north and the front driver caliper stuck after a few minutes and a few miles down the road. I replaced the caliper (dual piston caliper $65) and it still does it. I was told the rubber line might me cracked or peeled on the inside but havent replaced that yet.. Has anyone had this problem before. Just the drivers side does it so it kinda rules out the master cylinder. could it be the porportioning valve also? __________________ There Is No Replacement For Displacement

08-27-2008, 09:34 PM	#2
mudseeker Senior Moderator Join Date: Feb 2006 Location: michigan Posts: 6,373	nah, it's the rubber line. __________________ i'd rather be hunting

08-28-2008, 10:38 AM	#6
leolkfrm Senior Member Join Date: Mar 2008 Location: N.Y. Posts: 4,300	When you replaced the caliper did you flush the line? Brake fluid gets like molasses over time, you need to bleed it till the fluid is clear and the pedal go down easy (if its a manual bleed with another person). If this is the case then flush all the lines. __________________ 4 wheels move the body 2 wheels move the soul B.W.A.I

08-29-2008, 01:42 PM	#7
Hayden Senior Member Join Date: May 2006 Location: Bay City,Michigan Posts: 382	Thanks for the replies. I havent had a chance to work on it yet but do have the line since that is what I thought the problem was. I just wanted some of your opinions on the matter. I'll let you all know what the outcome was. Thanks __________________ There Is No Replacement For Displacement

08-29-2008, 02:40 PM	#8
rdhack Senior Member Join Date: Jun 2008 Location: kentucky Posts: 165	Always replace the line first...its the cheapest, then the caliper if needed. __________________ MY first truck was a FORD.......I've owned Chevy's ever since. 1995 K2500 4x4 5.7L Cheyenne 1991 T-10 Blazer 4.3L Tahoe Package 2000 Ford Taurus - Spouses

08-27-2008, 10:37 PM	#3
hotrodpc Senior Member Join Date: Jul 2008 Location: OKC, OK Posts: 3,145	Yes sir. Its the rubber line. Of all my years working on vehicles never seen anything so strange, but I had the same issue just 2 weeks ago on my 80 GMC and that is what it was. Funny thing was, the line appeared to be in good shape. But I guess the inners tear apart, fluid will go one way, but will not let it back up working like a one way valve. Replace the line, problem solved. I have a thread posted about it, something titled 80 GMC Brake ....

08-28-2008, 01:41 AM	#4
gmctrucks Senior Member Join Date: Nov 2006 Location: Houston,Texas Posts: 4,030	Yes I have heard it happening in fact I have two new one's for my truck im just needing to put them on.

08-28-2008, 06:52 AM	#5
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,014	rubber line like everyone else.

08-31-2008, 02:18 PM	#10
Hayden Senior Member Join Date: May 2006 Location: Bay City,Michigan Posts: 382	It was the line. Works good now. Thanks all __________________ There Is No Replacement For Displacement

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Caliper not releasing	rayjavu	Chevy Truck Forum	12	04-25-2008 05:22 AM
2003 s-10 blazer caliper removal	mudseeker	Chevy Truck Forum	8	02-07-2007 08:11 PM
Gas pedal sticking closed	bodean	Chevy Truck Forum	3	09-20-2006 08:54 PM
90' 1500 Should I buy?	92Jag	Chevy Truck Forum	6	01-29-2006 10:06 PM
Have a problem with bugs sticking to your radiator?	bubbas91lariat	Ford Truck Forum	4	01-03-2006 01:49 PM