Question about 2001 Ford Expedition

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My '01 Expedition makes a knocking sound and the brakes ''seemingly'' go away when driving. I recently had 2 new tires put on the front and had them rotated yesterday. This knocking started today when my wife had my truck. She's being towed home as I type. Can someone tell me what this might be and how much am I going to be out of before Christmas?

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Make sure the tires on on tight, its been known to happen that tires fall off after service.

Make sure the mechanic didnt leave a rag under the hood and it got caught in the belts or pulleys.

Also look in the fan shroud. Its been known that animals will look for a warm place when cold.
Terrible thought but as a mechanic I had to deal with this once.

Posted on Dec 12, 2009

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So sorry to hear that...But just maybe..um not too sure, but check your front brake calipers...Some shops, when they take off the tires they do a brake inspection, and someone probaly pushed a brake caliper piston back, or either took off the caliper too check the brakes, and didnt tighten up the bolt all the way when they put it back on...So if the caliper is not on all the way, and you apply the brakes, they will go down, and you will here a knocking sound, because the caliper is hitting the inside of the rim...Well i hope this helps...and hopefully you wont be out of no extra money...besides christmas....Goodluck...

Posted on Dec 11, 2009

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