Power Steering Reservoir Fittings leak

I found this Barb / SAE O-Ring fitting on the web and although its likely not the same size as mine, being new I can kind of tell how it works.

Mine don't leak at the base of the nut it leaks to the inside of that nut all of them.
As I recall you screw the entire elbow in far is it will go and then tighten the nut.

If I remember correctly that nut is not made to come all the way off. Its almost like the manufacturer screwed the nut on and then cut different threads on what was left of it.
That nut will only move so far on that fitting, maybe fresh o -rings would fix it If I could find the right set. Honestly I don't see why they didn't stick with standard pipe threads on the non pressure side of things.

I'm not sure Teflon would work on this. They make a really tough chemical resistant mechanics Teflon that might would work. Its blue!

 

Do you know where to get new O-rings? I haven't tried KW they probably sell only new fittings.

 

Thanks I'll check one of those places.

We've put out 10,000 bucks on this truck in engine and tires in the last 8 months and still haven't been able to fix everything. I don't need the expense of buying a bunch of Hi Pressure hoses right now so if there's a fix for these fittings I need it.
Dump trucks slow way down in the winter If it rains the weekend or any day of the week I'll be lucky to work 2 days and that's every week.

Its amazing how quick a blown hose can cost you nearly 300 bucks.

2 hrs off the asphalt clock 150
New KW air cooler hose 60 bucks
4 gallons of 100% Antifreeze 64.80 Total = 274.80

Saturday I replaced a leaking oil line to the compressor. I finally found the leak myself and fixed it. Thank God!
The mechanic kept missing it or he plain out didn't want to F# with it. Knowing him he pulled the, " I can't tell where its coming from sir" trick, knowing It was a PITA to change. He's not dumb he's actually pretty smart when it comes to getting out of aggravating bullsnip!
Roughly 50 bucks for a blue braided Hi Pressure line. That leak was costing me 1 gallon of 15-40 oil every 4 days of running all day.

And Sunday I fixed another leaking hose on the air cooler. Only lost 2 gallons of coolant on that leak. I took 6 gallons of coolant out into clean containers to replace the hose and put it back plus the missing 2 gallons.

Now have to find why my AC quit cooling last week. It must have leaked the freon out. I can Nitrogen pressure check it and find the leak.