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Possible thermostat issue d15
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Tractornewb View Drop Down
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Joined: 05 Sep 2015
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Points: 140 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tractornewb Quote  Post ReplyReply Direct Link To This Post Topic: Possible thermostat issue d15
    Posted: 14 Nov 2015 at 2:46pm
Coolant is boiling over and being lost thru the overflow tube in neck of radiator. Tried replacing the cap did not change. Do you guys think it the thermostat?
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Tractornewb View Drop Down
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Joined: 05 Sep 2015
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Points: 140 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tractornewb Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2015 at 3:08pm
Ok silly me just did some searching and learned I'm not supposed to fill the radiator to the top leave it one to 2 inches below the cap! I'll let somemore overflow and see what happens. Think that's it though...
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DougS View Drop Down
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Points: 2490 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2015 at 4:34pm
It shouldn't be boiling over, regardless. It may expand and go out the overflow, but it shouldn't boil. It might be the thermostat. It might be a head gasket. What is the temperature gauge doing?
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Tractornewb View Drop Down
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Points: 140 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tractornewb Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2015 at 4:43pm
Doug I stand corrected was not boiling over wrong term I used. The radiator was down an inch or 2 since I bought it. Never overheated never leaked, thought I was doing the right thing by filling to the top,I'm used to newer cars with resivours
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DiyDave View Drop Down
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Points: 54418 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2015 at 5:41pm
If it still expands out, I'd take a good look for a clogged radiator, much more common problem, than thermostat problems...
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Dan73 View Drop Down
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Points: 6054 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dan73 Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2015 at 5:45pm
I would just say make sure the temp gauge works temp and oil are critical to have or you can easily trash the motor as long as the temp gauge works and reads normal then the issue is just learning how the old system works. Been there done that with my d17 felt stupid when I realized I kept over filling it. If you open the cap and can seen the fins on the inside of the radiator then you have a leak to worry about.
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