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Coolant through radiator question?
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Tcmtech View Drop Down
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Joined: 15 Apr 2015
Location: Minot ND
Points: 310 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tcmtech Quote  Post ReplyReply Direct Link To This Post Posted: 21 Sep 2016 at 2:57pm
If the head if coming off blasting around in block with water jet or even just an air hose and wand is reasonable test to see what's actually in there. 

Unless it looks like hard mineral crust and rust scale the odds are any sludge will break up easily enough with normal water  hose or air pressure.  
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Lonn View Drop Down
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Originally posted by Brian Jasper co. Ia Brian Jasper co. Ia wrote:

No thermostat is not the problem. My CA ran without one for 15+ years. I only used the shutters to maintain temp. The rad also had 5 or 6 tubes blocked off due to damage.
If you're going to clean out a cooling system with some type of soap, Cascade dishwasher detergent works much better that anything that foams. It's more aggressive too.
Your blocked off tubes slowed the water flow down to allow the radiator to do the job. That engine will overheat without a thermostat. I've directly experienced it.
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Just try the new thermostat first. You aren't out a thing except a minimal amount of time. You can then flush the system which is a good thing to do anyhow.
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Joined: 12 Sep 2016
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Originally posted by DougS DougS wrote:

Tearing the engine apart seems to be a bit extreme until you've had the radiator cleaned and checked out. IMO


With the little bit of oil I got in the coolant I thought it couldn't hurt to pull it apart and check the head gasket at least especially if I'may still having cooling issues after I get it all flushed with a garden hose.


I do have a 3100psi pressure washer that I can shoot down the cooling holes if I have to go that far. Really hoping that the hose will do the trick. If not then I'm planning on pulling the waterpump to see what's going on in there. Guessing could try shooting the psi washer down the thermostat housing and the water pump holes too. Not sure if that would allow the water much access to the gunk inside though.
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Points: 310 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tcmtech Quote  Post ReplyReply Direct Link To This Post Posted: 21 Sep 2016 at 4:46pm
You might be surprised at how much crud you can knock loose with nothing more than a pressure washer and a fan tip being shot through an engine coolant port.    

You get a load of high speed water and air bubbles going through things that never saw any high volume agitated flow and it will scrub out more than a guy thinks.  Not everything but more than you want to know was in there to begin with. Tongue
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I hope your engine is not looking this this one inside.
 
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Back in the working days of the older tractors if they needed coolant added most farmers just stopped at the pond, creek or water hole in a low place and dipped water out and poured it in and back to work.If you look at the pics I posted before think about breaking that crap lush and it moving into the radiator, water pump and plugging them up.
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Holy smokes Don! That almost looks like what my engine looked like, except it was packed tighter!  LOL!  Yuk!! That's nasty stuff right dare....!
39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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Originally posted by Steve in NJ Steve in NJ wrote:

Holy smokes Don! That almost looks like what my engine looked like, except it was packed tighter!  LOL!  Yuk!! That's nasty stuff right dare....!

You are spot on Steve, It cleaned right out after I got the old steam cleaner in there, just to find all the cracks inside the block.Ouch
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Points: 66 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bensjamming Quote  Post ReplyReply Direct Link To This Post Posted: 26 Sep 2016 at 5:23pm
Managed to flush out the radiator today and got that pretty clean. Next is the block which is all ready just needs to be done.

Was busy this weekend picking up the MH 333.
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Well thought I'd update this for the future. After cleaning the radiator very good and then ran a 1 to 3 mix of muriatic acid through the engine cooling jacket via the the hole for the thermostat housing. Poured it in and let it sit a while then drain it and repeated followed by a lot of flushing.

I reassembled everything and fired it up and now the coolant is really flowing through the upper radiator hose back the radiator with some force so something was definitely plugged up. Ran it several times since and has been good.
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Joined: 13 Sep 2009
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If it still overheats I would do as Lonn suggested and put a stat in it next then the next step would be the radiator before going into the engine.
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Get one of these for your hose for the future and for regular maintenance. You can pull the petcock out of the block and it will most likely fit between the cylinders to shoot water towards whatever direction you want. I use it on all kinds of stuff to flush coolant systems. I know I mentioned it earlier but this is the tool I was referring to:
Flush Wand

Edited by bigredisb - 14 Oct 2016 at 4:07pm
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