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M670 Super Power Steering Problem

C

crashman111

Member
I have a late model (1969) M670 Super. Within about 20 minutes in the field, all of my power steering fluid is gone from the reservoir, obviously leaking out from somewhere. Problem is, I have traced as many lines as I can find and am unable to determine where it might be leaking. Is there a common place on these steering systems that leaks after years of use? Some specific place I should be looking for the likely source of the leak? The pump does not seem to be making any noise, I just get to a point where steering becomes difficult and I'm either really low, or out of fluid.

Any and all suggestions would be very much appreciated.

Thank you.
 
Steering piston seals are leaking and it is filling the cast steering gear under the radiator. Remove the plug on top of the gear, it has a dipstick on it from what I remember, it will be over full. I've seen a few plumb that fill plug back into the pump return so the gear runs overfull and keeps the pump full. Or disassemble and replace the piston seals.
 
ChrisQ, Thank you for providing me with the suggestion regarding the problem with my power steering. That appears to be exactly correct and I have an appointment to have it repaired.

Thank you so very much for taking the time to respond. I really appreciate it!
 
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