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Changed brake pads now caliper seizing


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joeo60
Novice

Oct 9, 2018, 5:18 AM

Post #1 of 11 (116 views)
Changed brake pads now caliper seizing Sign In

1999 Ford e150 5.4l

Changed out pads on right front wheel, compressed piston, loosened reservoir cap, closed reservoir cap, pumped up brake -- now rotor wont budge!

Help please


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 9, 2018, 6:22 AM

Post #2 of 11 (108 views)
Re: Changed brake pads now caliper seizing Sign In

Just crack open the bleeder just a tad to let pressure out see if rotor frees up. If so the flex hose has gone bad.
BTW - don't push back pistons to let fluid back to reservoir rather bleed out right in front of you or you are just pushing junk back thru ABS and everything now subject to fail. Also unless you aren't done just doing one wheel isn't right ever. Do both sides equally with any service to brakes. Was just one side worn? That's the clue if so you missed out finding out why first,


T



joeo60
Novice

Oct 9, 2018, 6:30 AM

Post #3 of 11 (104 views)
Re: Changed brake pads now caliper seizing Sign In

Well, I intend to do both wheels ..but trying to figure out what's going on with this first one before I move on to the second one. BTW the ABS light has been on for a long time ..but that shouldn't be relevant to my problem, should it?


joeo60
Novice

Oct 9, 2018, 6:40 AM

Post #4 of 11 (100 views)
Re: Changed brake pads now caliper seizing Sign In

bleeder valve appears to be seized. Don't want to break it off. Any advise on how to proceed lol ?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 9, 2018, 6:58 AM

Post #5 of 11 (94 views)
Re: Changed brake pads now caliper seizing Sign In

If you can't open the bleeders, then you will have to replace both calipers, probably the hoses also.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 9, 2018, 7:00 AM

Post #6 of 11 (92 views)
Re: Changed brake pads now caliper seizing Sign In

You can't get away with "faking" it for now 20 years it's time to do this right and once. Bleeders freeze up and will break. Now you can try putting some PB (just a drop) down bleeder hole and let it sit with it closed. DO NOT ALLOW THAT Pb stuff into brake fluid only OUT when it bleeds or bleeder comes out totally replace it and have one ready for both sides.


Better yet why not toss all the old parts you know they are in trouble with this now. Rebuilt calipers are not the pricey all checked out but they will want the old one back it may be a problem inside too in fact near certain with new info.
All slides or pins as free as can be or out they go too. Rotors? How are they? It's not really a great idea to just do pads either have those turned if lots of metal left or toss them isn't that much either. IT'S BRAKES - CHECK OUT THE COST OF NOT STOPPING never mind price lives not just yours count on you being right and able to stop,


T



joeo60
Novice

Oct 9, 2018, 7:06 AM

Post #7 of 11 (88 views)
Re: Changed brake pads now caliper seizing Sign In

Yeah, that's what I was just thinking -- replace calipers and hose. The calipers shouldn't be a problem -- but --that hose, where it connect to the hydraulic system ...the bolt there is so corroded and rusted it's almost unrecognizable as a bolt. It looks impossible


joeo60
Novice

Oct 9, 2018, 7:13 AM

Post #8 of 11 (86 views)
Re: Changed brake pads now caliper seizing Sign In

what if I loosen the banjo screw (where line connect to caliper) would that release any pressure in the line and unseize the caliper (if it's a hydraulic issue) and work the same as opening bleeder?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 9, 2018, 7:25 AM

Post #9 of 11 (81 views)
Re: Changed brake pads now caliper seizing Sign In

Eeek: Very familiar with the rust scene. You now if all looks OK with metal line and just flakes on the flare nut also try Pb, wait for that then you can use heat you probably don't have insanely fast heat not propane if all is fine with rust cleared away it would only possibly come free or spin the line you then are going to learn how to make up brake lines and do that right - zero room for this faking it stuff it's too important.
That can be a real pest MUST route new line and think you'll need to back to where line is good for real a cut, flare nuts and a union is legal, compression fittings are not if seen you are at fault for any failures!
Line is dirt cheap, doing it takes know how MUST be exactly right bends holders and all or it will rub and new line fail in no time.


If you aren't up to this time to let the work go out to a shop well versed in just what you've said - rusted brake parts - any and all and making up line highly likely now.
Please don't let a try at saving a buck cost you a life or more! No short cuts for this now in fact check other lines too welcome to the fatal world of rust like that usually a lot younger than this is where I am,


T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 9, 2018, 10:49 AM

Post #10 of 11 (65 views)
Re: Changed brake pads now caliper seizing Sign In


Quote
what if I loosen the banjo screw (where line connect to caliper) would that release any pressure in the line and unseize the caliper (if it's a hydraulic issue) and work the same as opening bleeder?


Yes, it will release the pressure and tell you if it was a hydraulic issue but now you have allowed air into the system and no way to bleed it out so the end result is still a new caliper.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 9, 2018, 1:00 PM

Post #11 of 11 (51 views)
Re: Changed brake pads now caliper seizing Sign In

Hope I'm wrong but can smell this is going to "domino" into doing a lot more than the original intent. I was thinking of the metal line to flex hose will spin line then you are fully committed to keep going if all the way back to what does behave now no choice about calipers as Hammer said you've let air in and can't bleed it if that would solve anything may not be known for sure,


T







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