Front driver knocks/pulling

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Mar 20, 2017 | 11:33 AM

daisydukke

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Front driver knocks/pulling

I got a horrible clunking/knocking in the front end of my pickup this morning, jerking the steering wheel like a flat tire, and after a couple miles it stopped..... bearing ???

Mar 20, 2017 | 11:41 AM

thomabb

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What is it? Year? 4wd?

The front U-joints can do what you are describing when they seize.

Mar 20, 2017 | 11:44 AM

daisydukke

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It's a 2005 F150 4x4

Mar 20, 2017 | 12:46 PM

steve(ill)

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the 4 x 4 is disengaged by VACUUM.. If you get a leak in the hose, or the IWE is "sticking", you can get one front wheel stuck or partly engaged in 4 x 4.. disassemble and clean.. see attached post below.

Mar 20, 2017 | 12:48 PM

steve(ill)

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https://www.ford-trucks.com/forums/8...then-some.html

Mar 22, 2017 | 06:51 PM

daisydukke

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It has made some metal on metal clunking noise as well as progressively gotten worse as far as the jerking of the wheel. My upper control arm looks a little worn as does the bushing so I'm going to start with that and work my way to the u-joint....... thoughts???

Mar 22, 2017 | 08:19 PM

steve(ill)

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jack the front tires off the ground an inch with a floor jack under the lower A frame... With motor OFF, the wheel will be locked in 4 x 4.. if you try to turn it, the axle half shaft will turn, and the front drive shaft will turn.......... Start the motor, leave truck in park, and again try to turn the front wheel.. Should be DISENGAGED and in 2 x 4.. wheel will turn, axle and driveshaft will not.