After 22,207 mi, the right rear wheel unit started making a clunking similar to a flat tire. I looked online and found TSB 22-2023 which states that a common problem with the Mach E one pedal driving is brake pad material gets fused to the rotor. I took it in for repair and the brakes are out of warranty after 18000mi. Average life of brake rotors FOR CARS THAT USE THEIR BRAKES is 30,000-70,000mi. If Ford knowingly continues to use brake components that become faulty and fail after such.a short time on cars that don’t regularly use brakes, this problem could cause serious brake failure in cases of emergent braking. One pedal users would not know their brake pads had fused to the rotors until too late and the braking system fails when they need it.
2022 Ford Mustang Mach E brakes complaints
Page 2 of 2: complaints 11 to 16 of 16, newest first, as owners wrote them.
At highway speeds, the power brakes failed. In order to slow the car down, the brakes pedal had to be modulated with extreme force, upwards of 100 pounds of pressure on the brake pedal. As this happened, the car raised 4 Active Alerts - Powertrain Malfunction / Reduced Power - Antilock Brake Fault - Hill Start Assist Warning - Pre-Collision Assist Not Available. It took a lot of force and distance to bring the car safely to a stop. After 20 minutes we restarted the car and it began to operate normally. The car was brought to a nearby dealer immediately, however, the dealership is unable to diagnose nor replicate the problem. ***We were extremely lucky there were no cars immediately in front of us, and that we have an extreme amount of room to stop. Had we been driving in traffic, there would have been an extremely high likelihood of an accident with injury.
Post HVBJB recall, one-pedal drive randomly disengages. Operators of electric cars vehicles use one pedal driving to slow down the vehicle and brake. When that system of braking randomly fails, it is incredibly unsafe. Ford is aware of this problem and it's connection to the earlier recall. I can provide additional documentation if necessary. Ford recognizes issue but has not fix.
The vehicle was delivered [XXX], its an EV and does probably 70% highway/30% city driving. As an EV is on "one pedal" mode exclusively to use the motor to brake the vehicle and regenerate charge to the battery so we rarely use the actual brakes. at 18k mile we notices when the brakes were applied the vehicle and steering wheel shock, we took the car in for service and the front brake rotors were re-surfaced as per Metro Ford in Miami, FL. We noticed again at 22k miles and then Metro Ford in Miami, FL replaced the front rotors as they could not be resurfaced since they were already resurfaces once and would have been out of spec. At 28k miles we notices again, we took it again to Metro Ford in Miami, FL and they said it was cause by brake pad glazing and pad needed to re-surfaced and this time also resourced the rear rotors. All this is been done under warrantee with the exception of replacement of front pads in the last repair as Metro Ford in Miami, FL considered them a "wear" item (even with clear history with brakes) the approximate cost was $427. I believe there is clearly a brake defect with my car as i dont see how an EV on one pedal driving has needed to have front rotors resurfaced 2x and replaced 1x, needed new front pads, and need rear pads resurfaced 1x in less then 2 years/28K miles. Summary of brake repairs - 18k Miles - front rotors re-surfaced - 22k miles - front rotors replaced - 28k miles - front and rear rotors re-surfaced / front pads replaced INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
I just had a similar experience about four hours ago during normal conditions (dry and daylight). I was approaching a red light that controlled an on/off ramp intersection where a rural road intersects a state Highway. I was on the rural road. As I started braking, the pedal almost immediately felt soft. I kept pressing (never pumped) the brake pedal steadily lexpecting to feel more normal resistance. The brake pedal traveled more than double the distance that it normally does. I started to get some braking, but I don’t think I could have locked up the brakes if I wanted to. The emergency braking didn’t engage; however, there wasn’t a car traveling in my lane between me and the intersection. There were cars exiting the freeway and turning through the intersection immediately in front of me. Fortunately, I had enough brakes to stop just before the intersection. I had my wife and son in the car. I will be having the local Ford dealership look over the car. That incident happened 5-10 minutes after leaving my house. I had used my brakes during this trip prior to the incident. The brakes worked normally for the remainder of the 20 minute trip. Whatever is going on, isn’t right and although I never was dangerously close to an accident, if conditions were slightly different it could have been very bad.
Brakes automatically engage when parked. Next time I went to drive the car wouldn't move until a loud "clunk" came from the rear and the car moved. But, when I started driving there was a repetitive noise coming with each turn of a rear wheel. Parked the car and took to dealership which confirmed that a "chunk" of the brake pad had come off and adhered to the brake rotor. Contacted Ford and was told that it wasn't covered under warranty because I had gone more than 12, 000 miles. They did set up a case (CAS-46526025-Q7S5V2), but I never heard anything from it. In conversation with the dealer, this is apparently a common problem for which Ford has issued at least 2 TSBs (21-2206 & 22-2023) but the term expired before my incident. From reading of other incidents on various forums for the MachE, it is apparent that the problem still persists as in my case and is affecting a number of owners. Ford needs to be pressured into issuing a recall to install improved brake pads/rotors to prevent this problem from occurring. It could happen at a time when it isn't easy to pull over and therefore, cause an accident.
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