How To Replace Front ABS Sensor Harness 2004-08 Ford F150
Created on: 2014-11-11
Learn how to replace the front ABS harness for your 04-08 Ford F150 in this 1A Auto video.
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step 1 :Removing the Wheel
- Disconnect the ABS sensor wiring harness in the engine bay
- Pry off the center cap with a flat blade screwdriver
- Loosen the lug nuts with the vehicle on the ground
- Raise the vehicle with a floor jack
- Secure the vehicle on jack stands
- Remove the lug nuts
- Pull off the wheel
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step 2 :Removing the Brake Pads
- Remove the two 13mm bolts from the brake caliper
- Pry the brake pads into the caliper with a flat blade screwdriver to push in the pistons
- Pull the caliper aside
- Pry the brake pads off with a flat blade screwdriver
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step 3 :Removing the Brake Rotor
- Remove the two 18mm bolts from the brake caliper bracket
- Pull off the brake caliper bracket
- Pull the rotor off
- If the rotor won't come off, thread on one lug nut and strike the rotor with a hammer
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step 4 :Removing the ABS Sensor
- Unclip the ABS sensor wiring
- Remove the 5mm Allen bolt from the ABS sensor
- Pull out the ABS sensor
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step 5 :Installing the ABS Sensor
- Put the ABS sensor into place
- Insert the 5mm Allen bolt for the ABS sensor
- Clip the ABS sensor wire into place
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step 6 :Installing the Brake Rotor
- Slide the rotor on
- Thread on one lug nut to hold the rotor in place
- Put the bracket back into place
- Start the two 18mm bolts by hand
- Tighten the bolts to 90 foot-pounds of torque
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step 7 :Installing the Brake Pads
- Install the brake pads into the bracket
- Put the caliper on
- Thread the two 13mm bolts by hand
- Tighten bolts to 25 foot-pounds
- Clip the ABS sensor into place
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step 8 :Reattaching the Wheel
- Remove the placeholder lug nut
- Slide the wheel into place
- Start the lug nuts by hand
- Tighten the lug nuts preliminarily
- Lower the vehicle to the ground
- Tighten the lug nuts to 110 foot-pounds in a crossing or star pattern
- Reattach the center cap
- Reconnect the ABS sensor wiring harness in the engine bay
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step 9 :Testing the Brakes
- Pump your brakes repeatedly until they feel firm
- Test your brakes at 5 miles per hour and then 10 miles per hour
- Road test the vehicle
Tools needed
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5mm Hex Wrench
21mm Socket
13mm Socket
A Piece of Pipe (for leverage)
Flat Blade Screwdriver
Torque Wrench
Jack Stands
18mm Socket
Ratchet
Floor Jack
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace the ABS harness on this 2005 Ford F150, and we show you on the passenger side, but the driver side is the same procedure. The items you'll need for this are: a new ABS harness from 1AAuto.com. 13mm, 18mm, and 21mm socket and ratchet with a piece of pipe for extra leverage; flat blade screw driver; pliers; jack and jack stands; a torque wrench; and a 5mm Allen wrench.
Up here, just underneath your battery, you'll see this harness. You want to just push on the tab and disconnect this. Pry off the hub cap. Then, using your 21mm socket and ratchet, loosen up each of the lug nuts. Now, raise the vehicle and remove the lug nuts the rest of the way, and remove your wheel.
Turn the wheel so you can access the brakes better. To make it easier to get the caliper off, you should take a large screwdriver and put it into the brake disk and pry out. You don't have to move it far, just enough to help you get things apart. Then, we're going to remove the two 13mm bolts here, and one up here. Push in the slides on the bracket and then pull the caliper up and off. Now, pry out your brake pads. Now, remove these two 18mm bolts on the back of your caliper bracket. We'll just fast forward as Mike removes those.
Our rotor comes off pretty easy, but if you have trouble getting the rotor off, you can put a lug nut on and then hit it from the back side to break it free. The lug nut just keeps it from flying off.
If everything here is wire tied, make sure that you disconnect that, and then just pull this clip out at the top of this harness. Now, just pull that out and then remove this 5mm Allen bolt. You can see, Mike is using a wrench for a little bit of extra leverage on that, and then just removes it the rest of the way. Once the bolt's removed, just maneuver it back and forth and pull it free.
On the left, is the old ABS harness; on the right, is the new one from 1A Auto. You can see they're identical and they'll fit exactly the same. Take the new ABS harness and push it into place, and then replace that 5mm Allen screw and just tighten it up. Push the harness back into this bracket.
Put the rotor into place and then replace a lug nut to just hold it in place while you put the caliper bracket back on.
Put the brake caliper bracket back into place and replace the two 18mm bolts that hold it there. We'll fast forward as he tightens those up. Then you want to torque both of those to 95 foot-pounds.
Put your caliper back into place, and then replace those 13mm bolts and tighten them up. Now, torque both of these to 25 foot-pounds. Reconnect this clip on the ABS harness. You can just work your way down the harness, re-clipping in to each of those clips.
Take that lug nut back off that you had holding that stuff in place and lift your tire up and put it in place. Then replace each of the lug nuts and tighten them up preliminary, then lower the vehicle and tighten them the rest of the way. Torque each of the lug nuts to 110 foot-pounds in a crossing pattern. Replace your hub cap and come up here and reconnect your ABS harness.
After doing any work on the brakes, you just want to pump the brake pedal until it firms out and then do a stopping test from 5 miles per hour, then 10 miles per hour.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
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