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Restoration & Repair Tips Board

8N pump rebuild

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Randy Hagan

07-15-2006 12:34:21




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3 point drops when engine is shut off or clutch depressed. Pump is leaking by. I hear you can put 80-90 wt oil in it to help, but what is the correct way to rebuild, replace? I am in So Cal in the 92591 area. Thanks in advance for any help!
Randy




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souNdguy

07-20-2006 06:06:12




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 Re: 8N pump rebuild in reply to Randy Hagan, 07-15-2006 12:34:21  
While you 'can' put in thinner UTF oil.. 90wt gl1 / gl3 oil was the OEM spec for it.

Mind you.. 90% of the time.. a lif tthat leaks down is NOT the pump.. but rather a worn piston/cylinder under the top cover.

Pop the round inspection cover with the dipstick, and lift the lift and then turn off engine.. looks for squirts and drips.

Also.. you will probably get more responses if you had posted this in the 9n/2n/8n board.

in any case.. R&R of the top cover / cyl / piston, and dropping the pump is only about a 9hr job start to finish and can be 100-200$ depending on if you need a new cyl or not.

No rocket science involved.. just a dirty job with a bit of heavy lifting.

AN I&T fo-4 manual is nice to have handy during this repair.

If the pump is leaking.. the prime candidate is the 28$ relief valve.. though could be a plug or chamber gaskets too..

All in all to do a top down job.. you are talking about about 10$ in gaskets, and thent he 'hard parts' will varry depending on what you need.

Soundguy

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Craig in MO

07-17-2006 23:21:53




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 Re: 8N pump rebuild in reply to Randy Hagan, 07-15-2006 12:34:21  
I have a Fergy TE20 and I think they are similar. I would get a rebuild kit like this one and put it in.



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