Steering gear box blown? - Ford Powerstroke Diesel Forum
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Old 05-02-2014, 08:48 AM
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Steering gear box blown?

I was leaving work last night and in an instant I couldn't stop and had no power steering. These trucks are a ***** to drive when both of those go out at once. I thought it might be a high pressure line that blew but didn't see any leaks. Could it be a blown seal on the steering gear box? Can I get a seal kit and rebuild it myself? My trucks manufacture date is 9/98 so I'm guessing it's a 32 spline.

Dwight
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Old 05-02-2014, 09:02 AM
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Usually when you lose brakes and steering it means power steering pump.
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Old 05-02-2014, 09:08 AM
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sounds like a pump or hydraulic psi issue to me also

that little cylinder on the side of the hydro boost is supposed to store enogh pressure for an emergency stop if the hydro system fails but I have yet to see anyone not waste the stored energy on a few brake taps first LOL
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Old 05-02-2014, 10:10 AM
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Toss this around, if the gear box blows a seal and dumps the fluid you will have the same symptoms. My PS pump exhibited no issues prior to this happening. There is a nice puddle of what appears to be ATF underneath my truck. My friends has had this happen twice on his truck and had to replace the steering gear box both times. His pump is still good and serviceable. This is why I'm thinking it's the gear box and not the pump. I guess I can get some fluid and see where it's leaking but the hoses look sound.

Dwight
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Old 05-02-2014, 10:32 AM
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Steering gear box blown?

The puddle of ATF makes a huge difference on the diagnosis. I would refill and watch where the leak is. Could be a hose, steering box, brake booster or the pump. If it is the steering box I recommend a red head steering box, they are a little spendy but worth it. How far did you drive when it was out of fluid? When you run the pump empty you have a really good chance of destroying the pump

Last edited by sbluke55; 05-02-2014 at 10:38 AM.
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Old 05-02-2014, 10:38 AM
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I will report back my findings. Going to get some fluid and see what happens.
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Old 05-02-2014, 10:39 AM
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How far did you drive with no fluid? If it was a while you have a good chance that you destroyed the pump.
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Old 05-02-2014, 02:50 PM
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Topped off the PS pump, started the truck and I don't see any leaks in the hoses but it's leaking out of the gear box. I have one on order and replacing hoses at the same time. I'm getting a reman. gear box, this one lasted 280,000 miles, new one has lifetime warranty.

I only drove across the street so I think the pump is fine, we'll see I guess. I have to go home tonight, grab tools and a change of clothes and work on it tomorrow. Luckily I have the company truck to run around in for the time being.
Dwight
Dwight
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Old 05-02-2014, 03:33 PM
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Quote:
Originally Posted by sbluke55 View Post
The puddle of ATF makes a huge difference on the diagnosis.


LOL agreed

that lifetime warranty won't impress you if you have to change it more than once

hopefully it's a good brand and the sector lash is set properly
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Old 05-02-2014, 11:12 PM
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Quote:
Originally Posted by StoneGuy View Post
Topped off the PS pump, started the truck and I don't see any leaks in the hoses but it's leaking out of the gear box. I have one on order and replacing hoses at the same time. I'm getting a reman. gear box, this one lasted 280,000 miles, new one has lifetime warranty.

I only drove across the street so I think the pump is fine, we'll see I guess. I have to go home tonight, grab tools and a change of clothes and work on it tomorrow. Luckily I have the company truck to run around in for the time being.
Dwight
Dwight
Leaking out of the gearbox is often the lower seal on the pitman arm. Costs about 10$ and pretty quick to change. I just did mine. Its a lot better than a whole new box
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