Hot front brake.
Thread Starter
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5th Wheeling
Joined: Jul 2025
Posts: 32
Likes: 8
Replaced caliper
I was missed that it was a caliper that is sticking and YES should be replaced ASAP and as I side in my other post I would do both sides.
I bet this is a rebuilt caliper, who rebuilt it?
A club member was helping another club member replace calipers and bleed brakes on a Corvet and they leaked out of the box, took it back and that one also leaked.
I dont know where they stand on this as we got hit with 95*+ heat here and was bad to be working outside.
So that caliper is bad take it back.
Dave ----
I bet this is a rebuilt caliper, who rebuilt it?
A club member was helping another club member replace calipers and bleed brakes on a Corvet and they leaked out of the box, took it back and that one also leaked.
I dont know where they stand on this as we got hit with 95*+ heat here and was bad to be working outside.
So that caliper is bad take it back.
Dave ----
I think that’s probably my next step. It’s under warranty and I might as well.
i got the thing from auto value parts.
and it seems lots of parts nowadays are bad off the bat.
Last edited by Cb85; Jul 27, 2025 at 02:13 PM.
Lead Driver
Joined: Jun 2013
Posts: 5,667
Likes: 1,159
From: Tolland, CT
But, I'm old and tend to trust major name brand auto parts like NAPA, Advance Auto Parts, Auto Zone.
Thread Starter
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5th Wheeling
Joined: Jul 2025
Posts: 32
Likes: 8
Trust
tomorrow I’ll run to town and try again..
FTE Legend
Joined: Nov 2015
Posts: 30,912
Likes: 4,123
From: Angier, NC
You forgot O'Reilly that if I had to can walk to from my house and get a club discount from.
I took it back and got a different brand and that wone was fine. Thing is I would have trusted the first one by name than the replacement go figure
Good luck and let us know how you make out.
Dave ----
More Turbo
Joined: May 2003
Posts: 520
Likes: 70
This problem is textbook bad hoses. They fail on the inside and restrict the fluid from moving back to the master from the caliper. Replace all rubber hoses in the system and I bet that helps your issue. Reading back it seems you did replace... in that case I would be looking for a blockedge in the hard line. Is a part of it rotted or kinked?
FTE Legend
Joined: Nov 2015
Posts: 30,912
Likes: 4,123
From: Angier, NC
This problem is textbook bad hoses. They fail on the inside and restrict the fluid from moving back to the master from the caliper. Replace all rubber hoses in the system and I bet that helps your issue. Reading back it seems you did replace... in that case I would be looking for a blockedge in the hard line. Is a part of it rotted or kinked?
I am all for changing out all old rubber brake hoses but I also thought he did that hose 2 years ago also?
Dave ----
Thread Starter
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5th Wheeling
Joined: Jul 2025
Posts: 32
Likes: 8
Hose
also brake light continues to come on turns out it stoped due to corrosion in the bulb connection. 🤦♂️
Last edited by Cb85; Jul 28, 2025 at 09:41 AM. Reason: Added information
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Moderator
Joined: Jan 2001
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Likes: 2,738
From: Virginia
Yep, opening the bleeder would release the caliper if the hose was blocked. Opening the bleeder and it still being locked takes the whole hydraulic system out of the picture. There is something wrong mechanically with the caliper, either internally with the piston or externally with the slides.
Lead Driver
Joined: Nov 2013
Posts: 7,174
Likes: 1,174
The warning light? That’s the system trying to tell you about problem #2. Ford could have designed an animatronic arm to extend from the dashboard and slap you around to get your attention. Instead they cheaped out and went with a simple warning light instead.
The most likely root cause is air in the lines somewhere. Please see my previous post with a link showing very important details about how to bleed the system. It’s also important to make sure the rear brakes are properly adjusted. It’s all covered at that link.
Don’t drive the truck until both faults are corrected. The warning system is there for a reason.
Tuned
Joined: Dec 2024
Posts: 445
Likes: 94
From: Texas, near Houston
I was missed that it was a caliper that is sticking and YES should be replaced ASAP and as I side in my other post I would do both sides.
I bet this is a rebuilt caliper, who rebuilt it?
A club member was helping another club member replace calipers and bleed brakes on a Corvet and they leaked out of the box, took it back and that one also leaked.
I dont know where they stand on this as we got hit with 95*+ heat here and was bad to be working outside.
So that caliper is bad take it back.
Dave ----
I bet this is a rebuilt caliper, who rebuilt it?
A club member was helping another club member replace calipers and bleed brakes on a Corvet and they leaked out of the box, took it back and that one also leaked.
I dont know where they stand on this as we got hit with 95*+ heat here and was bad to be working outside.
So that caliper is bad take it back.
Dave ----
Thread Starter
|
5th Wheeling
Joined: Jul 2025
Posts: 32
Likes: 8
New caliper
so I had a kid push the piston out almost completely on the caliper then used penetrating oil and regular 30 weight inside the rubber seal of the caliper piston.
pushed it out and in a few times to work it lose.
now it’s working just right.
retracts perfectly every time now. This was probably a bad idea and I’ll probably find out that I shouldn’t have f’ed around but I’ve got **** to do. I can’t afford to keep screwing around with this.
Lead Driver
Joined: Jun 2013
Posts: 5,667
Likes: 1,159
From: Tolland, CT
If that seems to work, you should do the brake fluid flush as in the "How Too's" Remember, these are your brakes, they could save your life when you need them.
I believe you said, you replaced the flex hoses ?
I believe you said, you replaced the flex hoses ?
Thread Starter
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5th Wheeling
Joined: Jul 2025
Posts: 32
Likes: 8
Flex hoses
this truck gets little use but now that long standing issues are being sorted out it might get used much more frequently.
hopefuly this fixes one of many long standing issues.
next is muffler needs to go on then the crying or weeping radiator gets replaced.