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Case Tractors Discussion Forum
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Re: Case 730

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C. Amick

03-15-2013 07:35:16

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Do you know if the leak is to the outside or inside of the engine? Drain a little oil out of the bottom of the pan to see if there is antifreeze in there. They sell a 'block sealer' at auto parts stores. It works with water. You will have to remove the antifreeze until the treatment is complete. If the leak is pretty big the sealer may not work. It might be worth a try before you pull off the head.

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03-15-2013 09:21:02

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 Re: Case 730 in reply to C. Amick, 03-15-2013 07:35:16  

yes there was coolant in the oil we drained it.. and the oil had not been changed for i awhile it was pretty thick

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Adirondack case guy

03-15-2013 15:09:40

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 Re: Case 730 in reply to TrevorB, 03-15-2013 09:21:02  
Since you confirmed coolant in pan, pull the intake and exaust manifolds. Start the tractor and watch the exaust ports to isolate which cylinder or cylinders are misfiring. If they all fire good, I believe you have an O-ring problem with a sleeve or electrolisis in a sleeve. Pin holes show up on the side of the sleeves on the thrust side during the power stroke below the ring travel point.

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03-15-2013 16:30:51

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 Re: Case 730 in reply to Adirondack case guy, 03-15-2013 15:09:40  
how do you no if the cylinders are firing right?

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Harry J Case

03-15-2013 19:30:08

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 Re: Case 730 in reply to TrevorB, 03-15-2013 16:30:51  

Sounds simple enough to me, just pull both manifolds and start it up. Sorry, I just couldn"t resist.

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C. Amick

03-15-2013 11:54:38

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 Re: Case 730 in reply to TrevorB, 03-15-2013 09:21:02  
Pretty nice looking tractor.

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