Power Steering Hoses - Slightly Different Question
Thread Starter
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Trailering
Joined: Mar 2019
Posts: 17
Likes: 7
Power Steering Hoses - Slightly Different Question
Hi All,
I have an E99 and have found the wear spot from the shock tower on the power steering pressure line from the pump to the hydroboost and am getting ready to change that hose. This leads to a couple of questions - I see a lot of discussion about people having issues with this hose and the fitting on the pump coming apart leading to repeated replacements. However, I do not really see any discussion about the other pressure hose from the hydroboost to the steering box. Is this hose not much of an issue? I have thought about changing both of the hoses since I will be in there anyway. So what is the general consensus on the importance of this other hose?
Second, what is up with the pricing on this hose? I can get the pump to hydroboost hose at a reasonable price but the other hose is very UNreasonably priced - I see it running in the $175 to $225 range for this simple hose.
Anyway looking for thoughts on this whole situation. Thanks for the feedback.
I have an E99 and have found the wear spot from the shock tower on the power steering pressure line from the pump to the hydroboost and am getting ready to change that hose. This leads to a couple of questions - I see a lot of discussion about people having issues with this hose and the fitting on the pump coming apart leading to repeated replacements. However, I do not really see any discussion about the other pressure hose from the hydroboost to the steering box. Is this hose not much of an issue? I have thought about changing both of the hoses since I will be in there anyway. So what is the general consensus on the importance of this other hose?
Second, what is up with the pricing on this hose? I can get the pump to hydroboost hose at a reasonable price but the other hose is very UNreasonably priced - I see it running in the $175 to $225 range for this simple hose.
Anyway looking for thoughts on this whole situation. Thanks for the feedback.
Hotshot
Joined: Mar 2014
Posts: 10,750
Likes: 1,065
From: Douglassville, PA
Those hoses are exorbitantly priced, no doubt but I'd stay away from cheap versions. I haven't had to do it but I thought that the one that rubbed on the shock tower was the hydroboost to steering box hose. I wouldn't bother with that other hose unless it looks bad, I don't hear much of them blowing out but the ends do rust out in the corrosive states.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,352
Likes: 5,946
From: Lake Hartwell, GA
Hi All,
I have an E99 and have found the wear spot from the shock tower on the power steering pressure line from the pump to the hydroboost and am getting ready to change that hose. This leads to a couple of questions - I see a lot of discussion about people having issues with this hose and the fitting on the pump coming apart leading to repeated replacements. However, I do not really see any discussion about the other pressure hose from the hydroboost to the steering box. Is this hose not much of an issue? I have thought about changing both of the hoses since I will be in there anyway. So what is the general consensus on the importance of this other hose?
Second, what is up with the pricing on this hose? I can get the pump to hydroboost hose at a reasonable price but the other hose is very UNreasonably priced - I see it running in the $175 to $225 range for this simple hose.
Anyway looking for thoughts on this whole situation. Thanks for the feedback.
I have an E99 and have found the wear spot from the shock tower on the power steering pressure line from the pump to the hydroboost and am getting ready to change that hose. This leads to a couple of questions - I see a lot of discussion about people having issues with this hose and the fitting on the pump coming apart leading to repeated replacements. However, I do not really see any discussion about the other pressure hose from the hydroboost to the steering box. Is this hose not much of an issue? I have thought about changing both of the hoses since I will be in there anyway. So what is the general consensus on the importance of this other hose?
Second, what is up with the pricing on this hose? I can get the pump to hydroboost hose at a reasonable price but the other hose is very UNreasonably priced - I see it running in the $175 to $225 range for this simple hose.
Anyway looking for thoughts on this whole situation. Thanks for the feedback.
I did replace the low pressure hose, but only because I was in there replacing the steering gear and other hose, so I figured get it out of the way. I also wrapped the high pressure hose with a split 1" reinforced fuel line from TSC. I wrapped the 1" line well before and after the contact point on the shock tower/bracket.
If you do go with the "cheaper" lines from whatever X brand, make sure you get the teflon washers that go on the hoses on the gear side.
Dorman 82540 available at any parts store.
Elder User
Joined: Nov 2012
Posts: 642
Likes: 0
From: Onlsow, NC
I can't find the thread, but I remember reading a post some years ago explaining what I believe is the line you are asking about. The hose was bad for resonating the noise from the power steering pump so something was added or done to it to quiet it down. From what I'm trying to recall, the point of the post was to explain why the power steering system was louder after installing a non-OEM hose. Maybe that's what drives the price of this line up? Hopefully some one can expand on this!
Thread Starter
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Trailering
Joined: Mar 2019
Posts: 17
Likes: 7
Thanks to all for the feedback, it does help.
I have seen the forum post that describes the "reduced noise" hose and I guess that is a possible contributor to the high cost - who knows.
I am thinking about a Gates brand hose as a medium ground between the no-name and Motorcraft - any specific feedback on the Gates product?
Anyway, I think right now I will skip the hydroboost to gear hose and just work on the pump to hydroboost hose.
I have seen the forum post that describes the "reduced noise" hose and I guess that is a possible contributor to the high cost - who knows.
I am thinking about a Gates brand hose as a medium ground between the no-name and Motorcraft - any specific feedback on the Gates product?
Anyway, I think right now I will skip the hydroboost to gear hose and just work on the pump to hydroboost hose.
Senior User
Joined: Oct 2010
Posts: 259
Likes: 1
From: Powell, wy
I replaced both hoses last year with the Napa auto parts brand. My pressure hose blew apart where it connects to the power steering pump. I didn’t notice any difference in noise. I think I paid $120 for both
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Fleet Mechanic
Joined: Dec 2008
Posts: 1,787
Likes: 31
From: Northern Illinois
The difference between the E99 and L99-03 hose from the pump to hydroboost is the threads on the nut at the hydroboost end. One is 16mm thread and the other is 5/8 thread. The E99 is stupid priced due to low demand at the dealers. At the hydroboost end they both connect to a short tube that actually connects to the hydroboost.
Wire loom to protect rubber hose portion along the frame and shock tower would be a good idea.
Wire loom to protect rubber hose portion along the frame and shock tower would be a good idea.
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Fleet Mechanic
Joined: Dec 2008
Posts: 1,787
Likes: 31
From: Northern Illinois
Also with the failures at the hose to pump connection.
The OEM hose has a swivel nut the is separate from the hose. The nut has a snap ring inside it. It is intended to swivel after it is tight. The nut was threaded into the pump first. As the trucks went down the assembly line the hose was pushed into the nut and the snap ring keeps it together. Quick and easy to get as many trucks built a day as possible.
Over the years the snap ring itself, the snap ring groove in the nut, and the snap ring groove in the machined fitting at the end of the tube all wear. Under normal operation this is usually not a problem. The problem"usually" occors when you unscrew the nut and reinstall it. Now you have parts that have worn together for years and once back together the snap ring fails allowing the nut to come off the machined fitting.
The connections without a snap ring usually do not fail in this way. Also inside the nut is an o-ring to seam but the snap ring keeps it assembled.
Edit I made it about 10 feet after my engine swap trying to reuse the old hose as I forgot to pickup a new one.
The OEM hose has a swivel nut the is separate from the hose. The nut has a snap ring inside it. It is intended to swivel after it is tight. The nut was threaded into the pump first. As the trucks went down the assembly line the hose was pushed into the nut and the snap ring keeps it together. Quick and easy to get as many trucks built a day as possible.
Over the years the snap ring itself, the snap ring groove in the nut, and the snap ring groove in the machined fitting at the end of the tube all wear. Under normal operation this is usually not a problem. The problem"usually" occors when you unscrew the nut and reinstall it. Now you have parts that have worn together for years and once back together the snap ring fails allowing the nut to come off the machined fitting.
The connections without a snap ring usually do not fail in this way. Also inside the nut is an o-ring to seam but the snap ring keeps it assembled.
Edit I made it about 10 feet after my engine swap trying to reuse the old hose as I forgot to pickup a new one.
Tuned
Joined: Mar 2017
Posts: 417
Likes: 37
Also with the failures at the hose to pump connection.
The OEM hose has a swivel nut the is separate from the hose. The nut has a snap ring inside it. It is intended to swivel after it is tight. The nut was threaded into the pump first. As the trucks went down the assembly line the hose was pushed into the nut and the snap ring keeps it together. Quick and easy to get as many trucks built a day as possible.
Over the years the snap ring itself, the snap ring groove in the nut, and the snap ring groove in the machined fitting at the end of the tube all wear. Under normal operation this is usually not a problem. The problem"usually" occors when you unscrew the nut and reinstall it. Now you have parts that have worn together for years and once back together the snap ring fails allowing the nut to come off the machined fitting.
The connections without a snap ring usually do not fail in this way. Also inside the nut is an o-ring to seam but the snap ring keeps it assembled.
Edit I made it about 10 feet after my engine swap trying to reuse the old hose as I forgot to pickup a new one.
The OEM hose has a swivel nut the is separate from the hose. The nut has a snap ring inside it. It is intended to swivel after it is tight. The nut was threaded into the pump first. As the trucks went down the assembly line the hose was pushed into the nut and the snap ring keeps it together. Quick and easy to get as many trucks built a day as possible.
Over the years the snap ring itself, the snap ring groove in the nut, and the snap ring groove in the machined fitting at the end of the tube all wear. Under normal operation this is usually not a problem. The problem"usually" occors when you unscrew the nut and reinstall it. Now you have parts that have worn together for years and once back together the snap ring fails allowing the nut to come off the machined fitting.
The connections without a snap ring usually do not fail in this way. Also inside the nut is an o-ring to seam but the snap ring keeps it assembled.
Edit I made it about 10 feet after my engine swap trying to reuse the old hose as I forgot to pickup a new one.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,352
Likes: 5,946
From: Lake Hartwell, GA
Also, I am not sure the fittings noted in the thread below would be of help, but I figured it couldn't hurt to list it here. This link was taken from the 7.3L PSD Tech Folder.
Tuned
Joined: Mar 2017
Posts: 417
Likes: 37
@Dan V might be able to help out with this question, he did an axle swap I believe. Also, @Nicmike did a 2007 axle swap, but might have some answers for you.
Also, I am not sure the fittings noted in the thread below would be of help, but I figured it couldn't hurt to list it here.This link was taken from the 7.3L PSD Tech Folder.
Also, I am not sure the fittings noted in the thread below would be of help, but I figured it couldn't hurt to list it here.This link was taken from the 7.3L PSD Tech Folder.
Thank you. I'll reach out to them. Right now I have:
1) 1999+ Pump to Hydroboost
2) Custom(?) Hydroboost to Gear
3) 2008 (or 1999) Gear to Cooler
4) 1999+ Cooler to Pump
Lead Driver
Joined: Jun 2013
Posts: 5,647
Likes: 891
From: north of Minneapolis, MN
I will look at my parts list.
Tuned
Joined: Feb 2024
Posts: 258
Likes: 59
From: New Jersey
Does anyone have information on the return lines to power steering cooler rubber hoses? Motorcraft PSH108. It did not come with the rubber lines that connect up by the radiator to the cooler. Can I just get heater hose and worm clamps for it?