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  #1  
Old 05-01-2017, 05:23 PM
Harbor_Handed Harbor_Handed is offline
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Default Power Steering Pressure Hose Removal

Hi everyone,

I am replacing my power steering pump and I can't get the bottom, pressurized hose off. I don't have the right sized open-ended wrench, so I put my adjustable wrench on the flare nut and was trying to bang at the wrench with my rubber mallet but the wrench just keeps coming loose off the nut. And there's not enough clearance down in there to give it really good whacks with my mallet, but I sure tried.

I'm not sure which size the flare nut is, does anyone know? That would really help me.
And would an open-ended wrench work for this, or do I need a flare wrench (or crowfoot wrench)?
What can I attach to create leverage to turn the accursed thing?

Any help on this P/S pressure hose would be appreciated!

Thanks :-)
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  #2  
Old 05-02-2017, 08:20 AM
tomw0 tomw0 is offline
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Default Re: Power Steering Pressure Hose Removal

Well, you can buy '3-packs' or more of fitting wrenches. The tip of the wrench is open, and will pass over the metal line, and the remaining portion will engage the corners of the fitting, I think all of them.
FoMoCo has some unusual fittings for connecting PS hoses. The high side on my old one has a 'loose' center section, the metal part, which can move or rotate some when the fitting is tight to the pump body. I don't remember how that works.
I think I used a crescent / adjustable wrench to install it. From memory, the largest fitting retained the pressure relief valve assembly, and should be left in place while replacing the hose. The smaller fitting was the hose fitting, and was a flare. I think holding the larger while turning the smaller was the way to loosen the fittings.
I don't have your model to give more clues.
tom
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  #3  
Old 05-02-2017, 09:36 AM
vista4.0 vista4.0 is offline
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Default Re: Power Steering Pressure Hose Removal

Well usually up north those lines are rusted and junk so I just cut the line and throw a socket on it.
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  #4  
Old 05-02-2017, 10:43 AM
EaOutlaw1969 EaOutlaw1969 is offline
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Default Re: Power Steering Pressure Hose Removal

I had my hose off recently I used a stubby open end wrench, I am pretty sure it was 18 mm however when I get a chance I will double check.

Hopefully you haven't already rounded the fitting off trying to use a adjustable wrench.

Since your replacing the pump, I am guessing it will not come with a pully. So I suggest removing the pully then remove the line this should give you a little more room to work on it.

I just checked my truck, a 18 mm open end wrench fits on my line yet it feels loose, with my truck together I couldn't tell if a 17mm would fit better.

since my 17 mm wrench still had power steering fluid on it I am guessing that is what I used.

There is a bolt directly behind that ps hose fitting that help hold the pump on, getting a line wrench on the line and have it clear that bolt may prove difficult.

Anyways like. Said remove the power pump pully, which should give you better access to the line.
And I am pretty sure a 17 mm or 11/16th open end wrench should work fine.

If yours is severely rusted or stuck do like mentioned earlier by anther member and just cut the line and use a socket
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Last edited by EaOutlaw1969; 05-02-2017 at 11:52 AM.
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  #5  
Old 05-02-2017, 02:13 PM
Harbor_Handed Harbor_Handed is offline
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Default Re: Power Steering Pressure Hose Removal

Thanks everyone!

I'm going to get an 11/16" open-end wrench tomorrow and see if that will work. If that doesn't work, I'm going to Harbor Freight and will buy their set of crowfoot flarenut wrench set.

EaOutlaw, Thanks very much!! I bought a salvaged P/S pump that comes with the pulley still on it. I wanted that specifially because I don't want to have to mess with pulley removal. So I'm really hoping I can get the flarenut loosened with the pulley still on, even though it's super tight in terms of space & available surface area to grab onto the hex...Could be really difficult, even with the right sized wrench. :-(
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Last edited by Harbor_Handed; 05-02-2017 at 02:16 PM.
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  #6  
Old 05-02-2017, 03:29 PM
EaOutlaw1969 EaOutlaw1969 is offline
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Default Re: Power Steering Pressure Hose Removal

I was able to get mine off fairly easily yet it wasn't rusted.

Good luck

Btw I used a Kobalt wrench from Lowes which was pretty inexpensive
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  #7  
Old 05-02-2017, 05:07 PM
Harbor_Handed Harbor_Handed is offline
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Default Re: Power Steering Pressure Hose Removal

Quote:
Originally Posted by EaOutlaw1969 View Post
I was able to get mine off fairly easily yet it wasn't rusted.

Good luck

Btw I used a Kobalt wrench from Lowes which was pretty inexpensive
Thanks very much!

When you took your pressure hose off, did you have the P/S pulley still on there?

What did you use for leverage when you used the open-ended wrench on the flare nut? I was trying to tap my adjustable wrench with a mallet yesterday but there's not enough room for that. When I get the open-ended wrench I guess I'll try to rig some kind of weird, semi-vertical cheater-bar thing for leverage. lol
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  #8  
Old 05-03-2017, 07:18 AM
tomw0 tomw0 is offline
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Default Re: Power Steering Pressure Hose Removal

You can 'hook' box/open wrenches together to form a longer working 'arm'. Just shove the box onto the open end such that it will allow you to add torque. Or shove the open end into the box, depending. You may have to give it a couple rotations to get the two to 'hook', but they will.
tom
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  #9  
Old 05-03-2017, 07:54 AM
hyghwayman hyghwayman is offline
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Default Re: Power Steering Pressure Hose Removal

18MM crowfoot
or
like was said above, cut the line near the fitting and slide a 18mm socket on it.
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  #10  
Old 05-03-2017, 10:51 AM
Harbor_Handed Harbor_Handed is offline
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Default Re: Power Steering Pressure Hose Removal

Quote:
Originally Posted by tomw0 View Post
You can 'hook' box/open wrenches together to form a longer working 'arm'. Just shove the box onto the open end such that it will allow you to add torque. Or shove the open end into the box, depending. You may have to give it a couple rotations to get the two to 'hook', but they will.
tom
Thank you very much, TomW & Highwayman.

TomW: Yes, that type of hooking together was exactly what I was thinking.

So I went to Lowes and got several open-end wrenches: the 11/16 was too small, but the 18mm fit right. Unfortunately, when I tried turning it, the wrench came off. Seems like I might've done serious damage to the hex points when I used that adjustable wrench on it. Ugh...Adjustable wrenches are the devil!!!
I'm not giving up, I'll go out later and try to make that 18mm wrench grip it good. I really don't want to have to cut it & put in a new pressure hose.
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  #11  
Old 05-03-2017, 03:19 PM
Harbor_Handed Harbor_Handed is offline
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Default Re: Power Steering Pressure Hose Removal

Tried for an hour to get that flare nut to budge with 18mm & 11/16 wrenches, flare wrench, pliers....all I succeeded in doing is making it round. There are no points on it anymore for anything to grab onto. Probably not even a socket

I give up, I guess I'll take it to a mechanic tomorrow, maybe they can get it off with their special tools. :-/
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  #12  
Old 05-03-2017, 04:24 PM
EaOutlaw1969 EaOutlaw1969 is offline
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Default Re: Power Steering Pressure Hose Removal

Since you are replacing the pump, just buy a new hose and cut the fitting off like suggested.
Then take a 6 point socket and tap it on with a hammer.
It may be rounded but you should still be able to get it off.

The shop will have to do the same thing and charge you much more than sticking to it and doing it yourself.

Sorry I didn't notice your question till now.

I did remove the line with the pulley still in place but I removed two bolts from the top of the pump and loosened the bolt just behind the Hose which allowed a little more room to get the line off.
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  #13  
Old 05-04-2017, 07:33 AM
Harbor_Handed Harbor_Handed is offline
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Default Re: Power Steering Pressure Hose Removal

Quote:
Originally Posted by EaOutlaw1969 View Post
Since you are replacing the pump, just buy a new hose and cut the fitting off like suggested.
Then take a 6 point socket and tap it on with a hammer.
It may be rounded but you should still be able to get it off.

The shop will have to do the same thing and charge you much more than sticking to it and doing it yourself.

Sorry I didn't notice your question till now.

I did remove the line with the pulley still in place but I removed two bolts from the top of the pump and loosened the bolt just behind the Hose which allowed a little more room to get the line off.
Thanks, EaOutlaw. I think you're right: I'll just have to see this project through, and it'll just be more involved than I originally anticipated. I'm female and I don't know a lot about doing this kind of stuff, I've just been learning as I go after buying this truck back in November. I always hope when I start a project that everything will go as planned and I'll be done in no time, but there always seem to be hiccups and hurdles to deal with. I think tomorrow I'll go to Advance and buy a new pressure hose - there's one in stock in my area that'll fit my truck and it's got my name on it.

When I cut the metal line on the old hose, can I use a small hand-saw?
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2003 Mazda B2300
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145,500 miles on Odometer

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  #14  
Old 05-04-2017, 07:37 AM
tomw0 tomw0 is offline
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Default Re: Power Steering Pressure Hose Removal

You could try vice-grips. Adjust them so the 'teeth' bite into the hex of the fitting. Do the adjustment slowly (tighten) until you are sure you have a good bite, then turn.
After you get the connection free, you may clean up the mess using a file to restore some sort of 'hex'.
These fittings are NOT supposed to be so tight you ruin them taking the fittings loose.

I would expect the torque spec to be in the 18-20 ft-lb range at the high end, likely a bit less. We are doing lefty-loosie, correct?(right? ha,)
tom
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  #15  
Old 05-04-2017, 07:45 AM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Power Steering Pressure Hose Removal

for damaged nuts & bolt heads, i've been known to file off flat edges so that i can fit either the next size smaller socket, a smaller wrench, OR just vice grips like mentioned. takes a while & i don't know if you have room for that...
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