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Power steering fluid leak. 4.6l 2007

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Old Mar 25, 2026 | 08:15 PM
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Power steering fluid leak. 4.6l 2007

Hello,

I heard high pitch every time I turn the steering. When I checked I see fluid on the floor.. and on one axle and on one hose.
Return line was changed 2 years ago and it looks good and dry.
I wonder if pressure line is leaking.
Displaying IMG_20260324_142949_575.jpg
Displaying IMG_20260324_141240_428.jpgDisplaying IMG_20260324_141250_077.jpg
 
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Old Apr 3, 2026 | 07:03 PM
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Looks like its not the pressure line. it seems like there is one more line behind pressure/return line connector(where those two connect to axle on the driver side) This 3rd line then run over pipe which connects driver side axle to passenger side.. this 3rd line then feed into passenger side axle(or close to it.)

When i run hand on it its all filled with oil.

Does some one know what that line is called ?


I don't picture from my truck but it seems like " power steering hydraulic transfer line"



 

Last edited by ahmad_f150; Apr 3, 2026 at 08:08 PM.
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Old Apr 4, 2026 | 02:17 PM
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more update .. now I think fluid is leaking from the the steering gear... its flowing all 3 tubes going downwards. Which are pressure line and 2 pinion lines.
Fluid not climbing up on the line which goes/come to/from reservoir.

I don't want to take whole rack off.. any one ? any ideas where to start ?




 

Last edited by ahmad_f150; Apr 4, 2026 at 02:18 PM.
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Old Apr 5, 2026 | 06:17 AM
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you gotta clean it up yo see where it's actually coming from. brake clean should do the trick.
 
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Old Apr 5, 2026 | 01:40 PM
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it almost seems like there is hole on top of pressure line.. but nothing leaking from there.

So far I cleaned stuff..Also cleaned whole pressure line... and wrap paper towels around different places to see which gets soaked with fluid.

So far nothing.. its almost fluid stopped leaking for some reason.



 
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Old Apr 7, 2026 | 08:25 AM
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I can't tell from the pics but our '08 was leaking from the pump. I bought a reseal kit but never found time before the we retired the truck
 
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Old Apr 8, 2026 | 12:40 PM
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Originally Posted by techrep
you gotta clean it up yo see where it's actually coming from. brake clean should do the trick.
Just what I was thinking
 
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Old Apr 27, 2026 | 04:18 PM
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Problem fixed. Return line metal part was cracked. It leaking with continues uninterrupted... I think its called laminar-flow.
New line fixed the problem.. But now i ended up with a new unused pressure line.. and a pulley removal tool






 
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