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High pressure power steering hose.
#1
1971 Mach 1 351 2v, a/c auto

I'm going to install a new power steering pump and decided to replace the hoses at the same time. I purchased a new (not remanufactured) Cardone Select pump, and Gates high pressure, and return pressure hoses

The problem I have run into is the fitting on the Gates high pressure hose is not compatible with the power steering pump. At first I thought, Chinese pump, American hose, must be a defect in the pump.

In attempting to attach the Gates high pressure hose to the pump, I would only get about one revolution on the threads and it would stop. I tried applying more pressure using a wrench, and this quickly stripped out a bit of material from within the Gates fitting. Before using the wrench I made several attempts on threading the hose onto the pump to be sure I was aligned on the threads.

I then removed the old hose from the car. It threaded onto the new pump without any problems

I could be over looking something, but what appears to me to be happening is this.

1. The threaded portion of the Gates fitting is to shallow. The internal portion of the fitting where the orifice is located is hitting the threaded fitting on the back of the pump and not allowing enough thread contact.

2. I noticed that on the original hose, the end was flared and made a nice fit onto the fitting on the pump. The end on the Gates hose is flat(maybe this is referred to as a reverse flare) and doesn't seem like it would make a good seal.

I'm not bashing Gates products at all. Just sharing what I have observed. I'll consider myself a novice at mechanics, and may have overlooked something.

I would appreciate any information on where I could purchase a high pressure power steering hose that is going to correctly mate with the power steering pump. I'd prefer to find one similar to the original that has an independent collar that threads onto the pump, rather than having to rotate the entire hose when tightening.

I've attached a couple of photos in an effort to better explain what I am seeing.


Attached Files Thumbnail(s)
                       
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#2
klinton994,

Looks like you are missing the extension tube. Check out the illustration provided.

[Image: 351svau.jpg]

D1ZA-3E576-AC

[Image: 2q056hv.jpg]

Source: Ford Motor Company, Copyright, May 1975

mustang7173

klinton994,

Check out this power steering hose from NPD

https://www.npdlink.com/store/products/m...-2820.html

mutang7173
  Reply
#3
+1 on mustang7173"s post. I was not reproduced a few years ago when I was looking for one. It may be now. Contact Don at OMS to see if he can help.

Chuck
  Reply
#4
Here is one if Don doesn't have...

http://www.ebay.com/itm/Ford-Mustang-69-...99&vxp=mtr

Jeff
1972 Q Code Convertible
  Reply
#5
Yup, gotta have the little extension tube and bracket, I just assembled all my PS stuff and had to transfer those pieces to new pump!
  Reply
#6
Thanks to all for the info. My car did not have the tube or bracket. The existing high pressure hose ran directly to the pump. I'll begin my parts search. Thanks again.

A couple of questions regarding the extension tube.
1. Are both ends of the tube flared?
2. Does the tube end that attaches to the high pressure hose have a fitting with external threads that would slip over the flared end and thread into the female fitting of the high pressure hose?



Omie01;224343 Wrote:Yup, gotta have the little extension tube and bracket, I just assembled all my PS stuff and had to transfer those pieces to new pump!

Mustang7173
Where could I aquire a parts book/manual that has explode views of part assemblies.


mustang7173;224221 Wrote:klinton994,

Looks like you are missing the extension tube. Check out the illustration provided.

[Image: 351svau.jpg]

D1ZA-3E576-AC

[Image: 2q056hv.jpg]

Source: Ford Motor Company, Copyright, May 1975

mustang7173

klinton994,

Check out this power steering hose from NPD

https://www.npdlink.com/store/products/m...-2820.html

mutang7173
  Reply
#7
Here is the part and body illustrations...

http://www.ebay.com/itm/1971-Mustang-Par...87&vxp=mtr

Jeff
1972 Q Code Convertible
  Reply
#8
Thanks for the quick response. I just ordered it!


[


quote=jeff8877;224367]
Here is the part and body illustrations...

http://www.ebay.com/itm/1971-Mustang-Par...87&vxp=mtr
[/quote]
  Reply
#9
Does anyone know where I can locate the extension tube that attaches to the power steering pump? Thanks.
  Reply
#10
contact Don at OMS
http://www.7173mustangs.com/forum-ohio-mustang-supply

if you are missing the extension tube then there is a good chance you are missing the bracket that supports the tube and some other hardware. the bracket keeps the tube from moving left and right away from the exhaust manifolds.
it is attached to the pump housing, there is suppose to be a 2 nuts on the back side of the pump where the tube goes.
the first nut holds the back side of the pump together and seals the Fluid tank, then the bracket goes on and the second nut holds the bracket, then the extension tube goes on and the top part is held in the bracket.

on the high pressure line there is also suppose to be a coupler. from the hose extension to the soft line.
the hose extension has a different thread on it and the coupler allows the hose to attach.

i would need to take a photo of my car to explain it better.
but if the hose extension isn't there and the soft line ran into the back of the pump then you are missing more pieces then just the hose extension.

there is also a hose clip down by the steering box that holds the high and low pressure lines parallel to each other, you need that clip because without it, it makes installing the hoses a major job when you tighten them down to seat them in the steering box.

i discovered all this the hard way on my car as well.
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