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Old 08-29-2009, 08:28 PM   #1
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Default ahh! truck shaking! Help!

2005 f150 screw 5.4 4x4 42k miles

truck shakes when I turn from a stop, stops shaking as I straighten out my steering. Worst when I am stopped with my wheels turned then drive.

I think I narrowed it to my power steering b/c when I am stopped, in gear or park and turn the wheel from left to right it shakes. I just drained and refilled the ps fluid, I had topped it off with power steering fluid and thought maybe mixing it with the mercon messed it up. No difference.

I put the front end up on jacks and could not find any play in any ball joins or tie rods.

I do not want to take it in to the dealer if I do not have to. Why? I already had to replace the plugs and #4 coil and throttle body. Oh and I think my cats are bad-another story. This truck sucks. Never had a problem with any ford until this one. It must have been made on a Friday before a long weekend.

This summer we put on 4k miles towing a 5300lb camper-loaded with us about 7500lbs-to Texas, Tn mountains and back to Fl. I use a weight distributing hitch.

My belt is in the middle of the wear mark on the tensioner. I am thinking it is the pump or the rack. Any other ideas? Thanks
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Old 08-29-2009, 08:30 PM   #2
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definitely in the rack or pump, if the rack isn't leaking at all, i would be money it's the power steering pump, father in law replaced his at like 80k on his 04, it just went to hell one day.
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Old 08-29-2009, 08:46 PM   #3
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thanks Atom, I figure I will start with the simplest and cheapest and work my way up. Ps pump is about 70 bucks, may as well do my drive belt too. If that doesnt work I guess I will try the rack. Has anyone used the rebuild kit? http://shop.advanceautoparts.com/web...AMS_1004047966___
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Old 08-29-2009, 08:51 PM   #4
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i have never rebuilt a pump yet, for the cost of the kit and downtime, just was never worth it to me, if you got nothing but time, go for it, i do hear that if you don't do it exactly right, it will leak.
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