Loose pitman arm cause death wobble? - Ford Powerstroke Diesel Forum

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post #1 of 8 Old 11-01-2013, 01:15 PM Thread Starter
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Loose pitman arm cause death wobble?

I have an 06 f250 with 145K. Got it used two weeks ago. Well I have the dreaded death wobble. I read a lot of posts on here, and checked the usual suspects. Ball joints are fine tie rods and everything else look almost new. Then I found this

There is some power steering fluid dripping down. Is this the box going bad? Is it possible the arm being so low has ruined the seal? Should I just tighten the nut and see if this fixes the problem? Could the box be ruined and that would cause the wobble? Like I said everything else looks tight.

When I grabbed the wheel at 12 & 6 it wouldn't move at all. At 3 & 9 it had a lot of play. Also with wheels on the ground truck running, I had a friend turn the steering wheel while I watched it. I didn't see anything shifting out of place.

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post #2 of 8 Old 11-01-2013, 01:58 PM Thread Starter
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The tierod has play in it but not side to side. Is that normal?
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post #3 of 8 Old 11-03-2013, 03:24 PM
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I would tighten it for sure!
So is the play in the steering box?
Have someone watch the pitman arm and rock steering wheel back and forth. If there is play adjust it out of the steering box. Allen wrench and 16mm I think, but it's easy to do.
Play anywhere will cause death wobble.


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post #4 of 8 Old 11-03-2013, 08:48 PM Thread Starter
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I think the power steering box is the problem.
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post #5 of 8 Old 11-04-2013, 01:04 AM
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IIRC you should not have power steering fluid in there. It supposed to be transmission fluid. PS fluid will tear everything up.

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post #6 of 8 Old 11-04-2013, 01:11 PM Thread Starter
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its not powersteering fluid, I just call it that because it is coming out of the power steering system. But I think my issue is the box, everything else seems solid.
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post #7 of 8 Old 11-04-2013, 01:12 PM
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OK. Just asking because there had been a lot of people on here have put regular PS fluid in their system.

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post #8 of 8 Old 11-05-2013, 04:51 AM Thread Starter
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Thanks for looking out for me though, this is my first diesel so I've been doing a lot of reading on here. There is a bit of a learning curve
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