1969 Ford 3000 fluid tube end leaking

dvallen357

New User
My Ford 3000 is leaking from fittings behind the brake pedals and I'm not sure what the lines are that the leak is coming from. I tried tightening the hollow bolts but they wouldn't move. I'm not sure what
type of O ring is needed to fix the leak. Any advice would be greatly appreciated. The bolt heads are only about 1/8 or so exposed so if anyone has experience in loosening them without the socket slipping
would be helpful too.
Thanks Dave
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Those look like the cooler lines for the S-O-S transmission fluid. The other ends should go up to the radiator. There should be 3 o-rings on each of those fittings. Here are the part numbers and descriptions:

87037S94 - o-ring -116, 70 Duro, .737'' ID x .103'' Thk (goes behind the fitting itself)

130282 - o-ring - 0.07'' Thk x 0.489'' ID, -14, Cl 5, 75 Duro (small o-ring that goes tight around the banjo bolt shaft under the head)

14457281 - o-ring - 0.612'' ID x 0.103'' Width (Goes around smaller o-ruing under the head of the banjo bolt)

Here's a link to the parts diagram:

Link to parts digram for S-O-S transmission oil cooler tubes
 
If the bolts won't budge, try some heat from a torch and then use a good 6 point socket and an impact wrench to loosen them. Also, remove one end of each of the brake pedal return springs so the brake pedals will drop some out of the way, or use clamps to hold the brake pedals down, or if the slide lock that locks the pedals together and the parking brake pawl are both still functional, lock the pedals together and then lock them down.
 
For bolts with a shallow head I usually take six a point socket and grind the entrance chamfer away. A belt sander works best, but it can be done with a grinding wheel if you are careful. Without the chamfer you have almost double the engagement depth. I have gained a small collection of those socket over the years. Be sure to look for cracks in the tube where it joins the fitting. A little braze can take care of that.
 

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