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F Series Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. |
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01-11-2012, 06:51 PM | #1 | |
AF Newbie
Join Date: Jun 2009
Location: peoria, Illinois
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Squeaks when backing up
I have a 2002 F150, 6 cyl, auto, short bed. A few weeks ago i noticed a squeaking noise coming from under the truck toward the rear only when i was backing up. It sounds like the squeak a rock would make in the caliper but thats not it. Braking does not affect the noise. Going forward makes no squeak. I jacked one rear wheel off the ground, blocked tire, put in nuetral and turned tire by hand. Noise seemed to be at rear u joint. Is this a common sound a dry u joint makes? Its loud.
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01-14-2012, 02:32 PM | #2 | ||
AF Regular
Join Date: Feb 2011
Location: Des Moines, Washington
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Re: Squeaks when backing up
Quote:
i would recommend lubing up your shocks and joints and see if that helps right now i have a 1975 ranchero and the air shocks squeak like a MOFO i hate it. |
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01-16-2012, 09:09 AM | #3 | |
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Re: Squeaks when backing up
I will close out this thread. I put truck in neutral, blocked tire and jacked up one side of rear end. Spinning the wheel I could hear the loud squeak was coming from the u joint. Dropped driveshaft and took off u joint. One cup was dry, looked like the grease seal had failed. Replaced u joint and all is good. I guess what was significant here to me anyway was how loud this squeak was. I felt no movement in the joint. Thanks for looking all and responding.
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