Rear Axle Seals

Rear axle seals leaking gear lube onto the rear brake shoes and onto the wheel rim is very common on 8Ns, especially the early models before the added inner seal.

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Engine Oil

“Do I have to use non-detergent engine oil in my 8N?” No. Todays motor oils are far superior to what the manufacturers suggested 50 years ago.

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Rocker Pin Removal

People seem to have a terrible time getting the rocker pins or sleeves out, but I’ve never found it to be that difficult. The right tools make all the difference.

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Low Oil Pressure

The relief valve spring is designed to hold the poppet on the seat until oil pressure is 35-45 psi (Yes, the poppet IS supposed to have that flat spot on it). The relief valve only sets the maximum pressure attainable and has no effect on raising a lower pressure unless the spring is weak or broken.

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Tie-Rod Removal

The tie rod or “draglink” ends on the N tractors have a tapered stud that goes in to the steering arm and hold them tightly in place even after the nut is removed. It takes some mechanical force to pop the stud loose from the taper.

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