ih1566

boelter · May 19, 2012

I was using the tractor and had a small thump and it jerked the stearing wheel out of my hand after that it would not move in any range or gear lost stearing clutch and brakes still have pto and aux hyds. any ideas

andrew hegeman · May 19, 2012

sounds like the pto driven gear or mcv pump gear broke.

rufus80 · May 19, 2012

Agree, mcv valve/pump. Had a 966 that would not move or steer until I bleed/primed the pump every time I wanted to use it.

boelter · May 19, 2012

is there a way I could test this pump and is it located under the lower plate on left side of transmission??

rufus80 · May 19, 2012

There is a hex o-ring plug (a number 6 or 5) that you can stick a gauge into. It is on the left side of the transmission/ mcv pump below the clutch pedal. I dont remember what the pressure is supposed to be.

boelter · May 19, 2012

if pump or gear is bad to remove do you remove the same plate the plug is in and if so do you remove all the bolts that are in that plate or just the parimeter bolts

rufus80 · May 19, 2012

I think just the perimeter but dont remember. Check service manual or IH service tech.

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