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Case Tractors Discussion Forum
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Case 530CK Water Pump

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Indiana Jerry

02-13-2007 11:12:18




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Hi everyone. It's been awhile. There other morning I went to fire up the Case and it over heated so I shut her down. I was banging the casing in case the thermostat was stuck (it was new last summer). Anyhow I started it again and it still over heated but and after awhile I noticed the temp came down and worked fine while I used it (around 160 - 170).

Yesterday, I went to use it again. Same thing. So I took out the thermostat and tried it in water on the stove. Worked perfect. So I ran the tractor without it, and it still overheated. So I figure the waterpump, but it is turning from the belt, and was acting that was the other day when it all of a sudden started to work. The temp gauge hits 220 so she's plenty hot when I shut it down.

Antifreeze is new and plentiful in this machine as well.

How can the water pump not work, then work, then not work again?

Help.

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Tom (Ks)

02-13-2007 18:59:01




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 Re: Case 530CK Water Pump in reply to Indiana Jerry, 02-13-2007 11:12:18  
This may not be the problem you guys are having, but sometimes a engine can get air in the top of the engine and have an air lock. The engine will overheat, then run normal. The next time the engine starts, it will boil over again, then run normal. I have not seen this in a 530, but a 504 can do this and some Deere engines are bad about this.



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Indiana Jerry

02-14-2007 06:38:46




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 Re: Case 530CK Water Pump in reply to Tom (Ks), 02-13-2007 18:59:01  
Does sound similar.

Is there a way to suck out the air lock? I've tried it a couple times, and it does the same thing. I know there's fluid around the thermostat hose because loosening the hose clamps has water coming out when it's running.



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Tom (Ks)

02-14-2007 17:37:44




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 Re: Case 530CK Water Pump in reply to Indiana Jerry, 02-14-2007 06:38:46  
If the water manifold was bolted to the top of the head, then it would be easy, but the 530 does not. What I have done in the past was have the coolant drained out, have the thermostat removed,(and the top hose removed also) then fill the radiator slowly until the antifreeze comes up to the level of the thermostat. Let it sit there until it will not take any more water and then install the thermostat and hose and then fill the rest of the way.

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Roger300

02-13-2007 12:21:35




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 Re: Case 530CK Water Pump in reply to Indiana Jerry, 02-13-2007 11:12:18  
"You too" I had the same thing happening with my 300 round nose, was getting ready to use it in a pull and it started over heating, as it got close to boiling the temp gage started going down and quit over heating. but did it again I supected the therostat also, got another one from Case and it did the same thing. Well I had one that fit in the hose of a Ford 8N,same thing.
I imagine the 530 is like the 300 with the 3 hose clamps, the middle one holds the thermostat in place. I carefully put another Case one in and it hasn't done it since. Immediately stopped worrying and didn't search any more, other things to do. Can't really tell you what the fix was though, I have to take all the sheet metal off to work on the radiator on this tractor. Keep trying you'll find one that works, Roger

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Indiana Jerry

02-13-2007 13:29:52




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 Re: Case 530CK Water Pump in reply to Roger300, 02-13-2007 12:21:35  
I was thinking the same thing as you. The problem for me as mentioned, is that I took the thermostat right out and it still happens, so I'm pretty sure the thermostat isn't the problem.

And yes, it is the three clamp mid-hose system.



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