I have a 2003 f350.
I've I've known that I have a slight power steering fluid leak for a little while now. We were able to locate the leak today. It appears that it's the "steering pressure hose". Went to O'Reilly's. They asked me if it was from the hydroboost to the gear, and I think the other option was hydro boost to the reservoir.

But I'm not sure. I think it's hydro boost to the gear. My DIY skill level is that about a 4 out of 10 right now.

Would someone be able to tell me which one it is with the posted pics? I couldn't find this on the tech forum. I did find a power steering thread, but didn't see anything about the pressure line. I don't believe this hose, goes to the reservoir. I'm pretty sure it goes from the hydro boost to the gear.

Ford sells it for about $125. O'Reilly's sells it for about 50.. do you guys think there's a difference?




this picture is almost worthless and terms of the hose itself. But that aluminum fitting in between what I think used to be the alarm, way in the background there. That's where it's leaking from. I can see that point through the wheel well. Driver side.

 

That appears to be the Hydroboost to steering gear line, item 6 in the diagram below.

 

Number 6 looks about right. Do you know where the diagram doesn't depict the reservoir? But yeah I don't see any other hoes in that diagram that it could possibly be. I'm assuming you would recommend the Ford OEM over O'Reilly's? I'd rather spend the extra 70 bucksvand not have to replace it for a very long time

 

When I needed a new high pressure hose I sent Clay at @Riffraff Performance my VIN and asked for the right hose. It cost me $92 for shipped for the Motorcraft hose on May 17, 2017. I just know that I didn't want that hose busting or causing issues in the future. The way I see it is that I trusted the Dorman up-pipes because it is just tubes with a couple of screws. This line on the other hand has crimps, connectors and if it is the high pressure hose, well it has high pressure going through it.

What I am trying to say is, yes there is a difference...

EDIT: The reservoir is labeled #2 in the drawing. You can see the pump with the shaft for the pulley toward the left and the cap under the line labeled #3.

 

Yeah..thats boost to gear. Get oreillys. Been rockn theur line from gear to boost(pressurized) for a few yrs and so far so good. Got anutha on deck for just in case....may as well change both with that red stuff growing everywhere

 

99% of the time the hose failure is the one from the HB to the side of the gear box, just behind and below the power steering pump. I had the OEM to fail while on the road just past an AZ and was able to replace it with their hose. Well, I purchased a Ford hose and noticed there is a distinct difference between Ford’s hose and the box stores. The failure occurs at the swivel nut at the pump. When compared, Ford does a better job with that swivel nut than the others using basically a crimped method.
I then started looking at a redesign of a hose and finally had one made at the local hydraulic store for about $70 using stainless flex/Teflon lined hose with appropriate adapters on each end. I’ll try to provide some pics soon for that hose. I still keep the Ford hose as a spare if for whatever reason I want to convert back. I also have a stainless hose as a backup.

 

Here’s some pics of that hose and fittings.
Hope this helps. The first is the Ford hose.
[img]blob:https://www.ford-trucks.com/6ec79189-bfc7-4e1e-88c2-50d886c31606[/img][img]blob:https://www.ford-trucks.com/1d467f06-d221-4e41-b5fc-0914590b1e94[/img][img]blob:https://www.ford-trucks.com/e8c0208d-0272-411a-a1c3-1213adbb7372[/img][img]blob:https://www.ford-trucks.com/f69ddf06-b8ad-4513-be3e-11e240bd0e61[/img][img]blob:https://www.ford-trucks.com/8d843ee2-e728-4ff7-80ed-3f13bd52034b[/img][img]blob:https://www.ford-trucks.com/10452b3b-477f-4752-8bea-92c3f6d664be[/img][img]blob:https://www.ford-trucks.com/d34d5947-bbfe-4784-b458-cd86f9009fc3[/img][img]blob:https://www.ford-trucks.com/6ad735e5-1a15-4222-920d-1b6b40e2ba64[/img]
Oops, not sure if the pics work.

 

i meant to say, from psp to hb
Ive kicked that idea of having THAT pressure line made from s.s. line. The 90* fitting off psp is what got me. Im sure theres enough room between it and the IC pipe

 

Here’s my edited pics, forgive me if I have omitted something.


Ford OEM hose.


PSP end of a Ford OEM hose with swivel nut. The swivel nut on right is from a failed after market hose with crimping that secures the nut to the hose.


Stainless/Teflon lined hose. HOSE: PN S-6TW, Eaton SS braided, teflon lined x 36" length. The PSP end of hose should match/mate to the fitting on the AN fitting size on the PSP. The bore of the hose should be close to the same as the bore on the original lines/fittings. The way I have my hose is with female swivel fittings on each end. The HB end of the hose has a 90 degree bend with swivel fitting, PN 05E-606 female swivel nut.PSP End: PN JM0616-90 (Voss 6M JIC x 16 Metric, this is a 90 deg. fitting with the o-ring side to the pump. The other end is an AN fitting that can be either a 6AN or 8AN; I prefer the 8AN as the bore is larger. PSP End: PN JM0616-90 (Voss 6M JIC x 16 Metric, this is a 90 deg. fitting with the o-ring side to the pump. The other end is an AN fitting that can be either a 6AN or 8AN; I prefer the 8AN as the bore is larger.
The PSP fitting with o-ring should be test fitted to make sure you feel good regarding its seal. It’s possible the next size up may do a better job - can’t remember if I upgraded, but I have never had any leaks on either end. I used Viton on all o-rings.

At the hydro boost. Hydro Boost End: PN Aeroquip FBM2608 adapter, This has either a 6AN or 8AN fitting at the hose with an o-ring fitting at the HB.The HB end of the hose has a 90 degree bent with swivel fitting, PN 05E-606 female swivel nut.Hydro Boost End: PN Aeroquip FBM2608 adapter, This has either a 6AN or 8AN fitting at the hose with an o-ring fitting at the HB. You can make the hose a little longer if you wish but the 36" will allow you to move it around to clear any parts that may be interfering with the routing. I also took some rubber hose that had an inside diameter near the outside diameter of the SS line, then spiral cut it and wrapped the SS hose from one end to the other for added protection. Pics can be seen in my profile in the PSP album as one post showed the link. One of the pics of the hose end at the HB shows a formed 90 degree which I prefer but another pic shows an adapter in the HB with an extra 90 degree fitting to the hose. As you can tell there are numerous ways to skin this "cat", so my setup may not be for everyone. I installed my setup back in the fall of 2016 and hace put a lot of miles on it and it has held up so far. I also carry a spare Ford hose with the all the OEM parts just in case. Another comment is that the adapter fitting in the HB may NOT be the same size for all trucks. My truck is a 2002.
At the steering box.


The fitting on right worked best for clearance at steering box. The one on left would not allow good clearance on my 2002.

 

2000 FORD F-250 SUPER DUTY 7.3L V8 DIESEL Turbocharged MOTORCRAFT PSH4 I paid 69.79

This is from the hydro boost to the gear

 

@AubieTN That's some good work you did there. Can you share what size fittings those are that go into the power steering pump and hydroboost, please?

 

FordYruckNoob,
10-4
Let me dig that up and post it.

 

Fyi Oreilly recently changed suppliers.

 

@AubieTN I would like to second this request!

In addition if you wanted to create your own thread with the images above and the sizes of the fittings I would be inclined to include your notes and images in the 7.3L PSD Tech Folder. Alternatively you could edit you post above with the requested information and I could simply link that post in the Tech Folder. This is exactly the sort of information that the Tech Folder has a foundation of. By the FTE for the FTE...

 

Here is a pic of the part number


This is the hydro boost to gear hose as shown in the OP first photo.

also I would get the ford part the other hose referenced above I once replaced with a cheap one...that left me on the side of the highway as I stared at 10 hr journey After calling Uber to take me to the store. I replaced the hose again with a Cheap brand I added replacing this new hose with a new ford hose. I still have not gotten around to it but am interested in the custom option above! From what I have read on here it appears the hose is more likely to blow on a truck with big tires. A wide tire will give more resistance/work the system more when turning especially when stopped compared to the stock tire.