Another dragging caliper thread *Edit for update*
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5th Wheeling
Joined: Dec 2023
Posts: 26
Likes: 5
From: TX
Another dragging caliper thread *Edit for update*
I can't figure this out. Replaced the left front caliper because it was dragging and seized up. I dont drive my Excursion much, so I've put off swapping on a new caliper until the other day. Now the pads were in damn near new condition besides driving it about 20mi home when the old caliper started to seize up. Since swapping it, I've only run it aboiy 30mi. Just got back home from town and I can smell brake pad material. I grab the hub and its hot but not crazy. Verify with the temp gun and the rotor is 200deg vs the pass side at 165ish. Everything went together easily, hub spun freely after install. Not sure what I'm missing.
Cargo Master
Joined: Nov 2017
Posts: 3,110
Likes: 540
From: Rock Hill, SC
Are the caliper slide pins properly lubed with caliper grease? Which is a specific type of grease to prevent the slide pins from getting stuck in a vacuum and not sliding back out.
https://www.ford-trucks.com/forums/1...in-grease.html
https://www.ford-trucks.com/forums/1...in-grease.html
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5th Wheeling
Joined: Dec 2023
Posts: 26
Likes: 5
From: TX
Are the caliper slide pins properly lubed with caliper grease? Which is a specific type of grease to prevent the slide pins from getting stuck in a vacuum and not sliding back out.
https://www.amazon.com/Genuine-Ford-...000NU7OZG?th=1
https://www.ford-trucks.com/forums/1...in-grease.html
https://www.amazon.com/Genuine-Ford-...000NU7OZG?th=1
https://www.ford-trucks.com/forums/1...in-grease.html
I mase sure the little springs were holding the pads just slightly off the rotor. I made sure the actual cyl were pushed out enough to have enough clearance to slide right over and put the caliper bolts back in no issue.
Maybe an air pocket from bleeding? They seemed to gravity bleed way too easy. Like crack the bleeder screw after installing the brake line, and 10sec later fluid was pushing air bubbles out of the bleeder. I let that go until it was just fluid, then did the standard bleeding method with no air bubbles to see.
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5th Wheeling
Joined: Dec 2023
Posts: 26
Likes: 5
From: TX
I mean they're only 25yrs old 
. I'll order a set and probably a front right caliper this week and swap everything out when I get back home in a week or 10 days (truck driver).
. I'll order a set and probably a front right caliper this week and swap everything out when I get back home in a week or 10 days (truck driver).
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MMNC (SS)(Ret)
Joined: Mar 2004
Posts: 11,607
Likes: 151
From: SE Georgia
BTW, when you say slide pins are greased...as in a lot? or barely enough to seem useful? Lean heavily on the barely enough. ERR to side of caution. Even a dab too much will let them suction/vacuum seal in the pin hole and make them drag. Learned this the hard way. a few times.
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5th Wheeling
Joined: Dec 2023
Posts: 26
Likes: 5
From: TX
I forgot to update this. Got back home and picked up a new brake line, but before installing it, I bled the caliper again and it seems to have cured the issue. Ive only put about 50mi on it, but after driving with it being 95+ deg out, Im only seeing 150ish deg at the hub and maybe 170 on the rotor and there is no more brake material smell.
So I decided to hold off on the lines until I put together all the stuff to lift it.
So I decided to hold off on the lines until I put together all the stuff to lift it.
Cargo Master
Joined: Jun 2013
Posts: 2,079
Likes: 63
From: Florida and Tennessee
I forgot to update this. Got back home and picked up a new brake line, but before installing it, I bled the caliper again and it seems to have cured the issue. Ive only put about 50mi on it, but after driving with it being 95+ deg out, Im only seeing 150ish deg at the hub and maybe 170 on the rotor and there is no more brake material smell.
So I decided to hold off on the lines until I put together all the stuff to lift it.
So I decided to hold off on the lines until I put together all the stuff to lift it.
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