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That depends when they were last taken off. If it's been many years, take it to a brake shop and don't fool with it. Unless you have a big torch, hammers, and lots of patience.
there are four ABS sensors. one behind each wheel in the hub assmebly just follow the shielded wiring harness down to the sensor, it is at the behind the brake rotor in the hub assmebly, the lock up problem is not the sensor, the function of ABS is to stop lock up of the wheel, this problem is caused by a leaking ABS hydraulic control unit, that is the part with all the brake lines coming out of it
They probably froze on! I have had this happen on several vehicles. You'll have to spray something like WD-40 in between the rotor and whatever space is visible. Pound it loose evenly with a rubber mallet or with a piece of wood and hammer.
Below is the actual text for the rotor removal:
Removal & Installation
Raise and support the front end on jack stands.
Remove the wheel.
Remove the caliper. Do not disconnect the brake hose from the caliper. Use a piece of wire to support the caliper, do not let it hang on the hose.
sounds like you have a brake claiper piston not return causing the brake pads to drag, jack up both wheels and spin to see if you can feel or hear drag, give the wheel a hard spin and see if it stops right away or seems to spin freely, could be the drag of the pads on the rotor, or wheel bearings need repack or even as much as brake residual fluid pressure on calipers cuased by improper brake mc pushrod adjustment, if you have had any recent brake work like a MC replacement it could be that it was not properly adjusted as far as pedal free play... check those.. please let me know if this helps, rate my help...thanks
You will have to remove the wheels, and brake calipers. Remove the rotors, disconnect the wheel speed sensor wiring.From the back side there are three or four blots, remove those and the hub will come out. Good Luck
Raise the vehicle. Refer to Vehicle Lifting in General Diagnosis.
Remove the wheel and the tire. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
Remove and support the brake caliper. Refer to Brake Caliper Replacement (Front) or Brake Caliper Replacement (Rear) in Brakes.
Remove the brake rotor. Refer to Brake Rotor Replacement in Disc Brakes.
Remove the ABS sensor wire connector.
Remove the four bolts from the control arm.
Remove the hub and bearing from the control arm.
Remove the brake shield from the control arm.
Clean the control arm face and the bore before installing the hub and the bearing.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
Install the brake shield and the hub and the bearing to the control arm with the four bolts. Be careful not to drop the hub and the bearing, as it could be damaged. Reconnect the ABS sensor. Tighten the hub and bearing bolts to 70 Nm (52 ft. lbs.).
Install the brake rotor. Refer to Brake Rotor Replacement in Disc Brakes.
Install the brake caliper. Refer to Brake Caliper Replacement (Front) or Brake Caliper Replacement (Rear) in Disc Brakes.
Install the wheel and the tire. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment. Tighten the wheel nuts to 140 Nm (100 ft. lbs.).
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