2005 Ford Freestyle limited
Changed out rotors and brake pads on rear.
Brake lights don't work now when you press the brake pedal. When the ignition key is turned to start the car
the brake lights come on and stay on when the car is
running. Need to no what to do if it is a problem I can fix.
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Inspect the wheel hubs for flaws in the rotor mounting surfaces that could prevent rotors from seating properly. Also, check the wheel bearings for slop, roughness or other signs of wear. If the bearing does not rotate smoothly and keep the rotor on center, the rotor will wear unevenly. (Also, pay attention to unusual rumbling sounds when cornering or sudden jerks while braking; these indicate possible wheel bearing problems. The jerking may be caused by the bearing locking up momentarily when the brake changes it load forces.)
Another thing to look at if the problem recurs: take a quick peek at the instrument panel to see if the low traction warning is on. If it is and the road conditions are good, the anti-lock braking system has a false trigger condition. This could be caused by an off-center rotor or a sensor fault. The hard part is identifying which wheel has the problem
This is the brake wear indicator. When the brake pads get too thin, this sensor, which is mounted in the brake pad backing on the front left wheel and the rear right wheel, touches the rotor and wears through, grounding out the contacts and illuminating the light.
Once the light is lit, you will need to buy a new sensor as well as new brake pads. The sensor is not expensive.
First step is to examine the brake pads and determine if you need front pads or rear pads or both. Don't be surprised if you need new rotors as well as pads. Check for a significant lip at the outer edge of the rotor. If the pads have worn in the sides of the rotor more than about 1/16", you are due for rotors.
You cannot go wrong with BMW branded pads. They are safe and work great, but they are really dirty. If you want to try other brands, read the reviews. Some squeak and some fade.
I use Mexican made Brembo rotors. They work well but they rust quickly, so the brakes squeak a bit the first time you press them after washing the car or driving in the rain. More expensive rotors or BMW branded rotors don't rust so much, but they cost a lot more and don't necessarily last any longer.
After replacing the pads, turn the key to the On position and leave it on for about 90 seconds before starting the car to reset the brake pad warning light.
On an '07, it's probably not the caliper. You may just have a stone or some dirt stuck inbetween the pads and the rotor. I've seen this many times, and all it requires is to take it apart again and clean the rotors off. However, while you have it apart, check to see if everything appears to be in its proper place, because if the pads were not seated properly, one of the pads could have came loose and may be rubbing up against the rotor flange. Good luck.
The rear pads are usualy harder than the front and the harder the pads the more wear there is on the rotors Unless the rotors were worn to the point of replacement they could have had them skimmed.Being soft doesnt make much sense.Have an 03 ba falcon and only replaced our rotors after doing 125000ks The expidition is a similar beast that used the same brake system.Get the rotors skimmed and go to a slightly softer pad to extend rotor life