NP231 pump help

dankeenan

New Member
Joined
Oct 31, 2006
Location
denver, n.c.
I am installing a SYE in my Np 231 and found some issues when I opened up the case. It is really low on oil and I need a new mode shift fork. The plastic pump screen is degraded and falling apart. How can I test the internal pump to make sure it still works?
Thanks,
Dan
 
just hold the outside of the pump and spin the splined inside radius of the pump, if the pump is good you will hear it sucking from the pickup, or drop the pickup in a bucket of oil and see if it goo.
 
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