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D17 IV Steering Pump
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Travis2766 View Drop Down
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Joined: 26 Aug 2015
Location: Amherst, Wi
Points: 408 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Travis2766 Quote  Post ReplyReply Direct Link To This Post Topic: D17 IV Steering Pump
    Posted: 31 Aug 2024 at 5:56pm
My series IV D17 has a loader, the steering works fine when the loader is not on but when the loader is on the power steering is very weak. I started looking for a new pump but $600-800 is crazy for the ones I’ve been finding. What other options do I have? Can the one I have be rebuilt?
190XT Series III, D17 Series IV, D15 Series II, All Crop 66 and a whole mess of equipment.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20525 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2024 at 8:28pm
The power steering pump could be worn, but if it isn't leaking oil out the shaft, it's probably as good as any of them. I don't know how long you've used this tractor on a loader, but the power steering is a power assist system. So it isn't as good as say a 170 or 180 with hydrostatic power steering. Make sure your power steering belt
 is tight and in good condition. A slipping belt will make your power steering weak. Also, pump up the front tires to 30 psi minimum for loader work. Lastly, if you change the power steering oil (5 quarts) and switch to 821/821XL hydraulic fluid, it will help if the pump is worn internally because it is a little heavier in viscosity. The power steering pump might be fine while the power steering control valve could be the problem. Try these other things first.
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Fred in Pa View Drop Down
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Points: 9210 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Fred in Pa Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2024 at 8:33pm
I always flow rate the pump first .Takes away the guess work .If pump is bad get them rebuilt or replace .If good go to next step in the system. 
He who dies with the most toys is,
nonetheless ,still dead.
If all else fails ,Read all that is PRINTED.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20525 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2024 at 8:30am
Agreed, but who has a flow-meter besides you and me ??
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8070nc View Drop Down
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Joined: 21 Mar 2019
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Points: 505 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2024 at 9:05am
I dont know if this will help or not. When i grease front spindles I jack up the axle to take pressure off the bottom so grease can get between where the weight is resting
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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DrAllis View Drop Down
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Points: 20525 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2024 at 7:18am
I'm very surprised a NEW replacement power steering pump is even available from anyone, let alone for $600 to $800 bucks. That sounds like the price for a good USED pump.

Edited by DrAllis - 02 Sep 2024 at 8:40am
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