Rear Rotors Warping Due to Parking Brake Applied on Hot Rotors/Pads?

[t4thfavor]

i figured it was my "driving" that was hurting my brakes. sounds like the issue is not me or the off road systems fault at all.

Well in my case, they replaced axles, rotors, pads and it never stopped happening. I changed to aftermarket rotors (because they were available) and I hope it's fixed whatever the issue was.

I've even towed my "really huge" camper once with the truck and it was fine. They tried to blame the camper before, but little did they know I towed it with my yukon, and it's well under 7500# loaded.

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[Alton Bay Ranger]

2021 Tremor 36k miles. Had to do complete rears at 24k. Now again at 35k miles (April 24’). Warranty - Service manager said there is a design issue with calipers (screw in type?). Only model calipers he keeps in stock. He is hoping they redesign and issue new caliper replacement parts. I live in salty road Vermont, maybe design was ok in Australia but not here? Whatever, it stinks, otherwise I love the truck (Taco convert). Now I am getting almost 24 mpg again (just fixed, was 24 then 21 for last 2 years). I have no traffic, easy driving. Hope it lasts but I doubt it.

 

[Fitzmotor]

Hmm, I need to check my rear brakes, I almost never use the parking brake, but I'm in traction control all the time and I do tend to brake hard.

 

[Rp930]

Rear brakes are terrible. I never use the parking brake, really don’t drive hard, no towing and rotors are warped. Pads are fine. 24k miles

 

[9zero1790]

How did the calipers look?

sorry im just getting back. ending up replacing the pads, calipers, and rotors. right rear break was hanging up. so it built lots of heat which of course made the other parts unhappy. and then any time i set the parking break everything was already hot. so the slightest pull on the parking break resulted in brake setting hard.

 

[PltFX4]

Hmm, I need to check my rear brakes, I almost never use the parking brake, but I'm in traction control all the time and I do tend to brake hard.

The traction control is hydraulically actuated, which leaves the mechanical parking brake out of the equation... so, yes, frequent use of TC will wear the pads faster but not like the drag of a stuck parking brake, which is what I had at 7K miles. And the rotors Ford uses are sh*t quality. My new premium aftermarket rears rotors weathered the winter/salted roads season without a make on them. Hope they redesign the caliper/PB such that it can be retro fitted all 5G Rangers.

 

[Fitzmotor]

I just told both my wife and my son to limit, or completely stop using the parking brake unless it's necessary, my son has a 2019 and lives on a steep hill, I told him to check his brakes next rotation.

My wife is the kind of person who uses it every single time, full hard pull like she's on a steep hill, even when it is totally flat.

It's a shame when you have to accept inherent problems due to poor design.

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