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1755 diesel engine problem

W

WFE270NWIA

Member
Ran the 1755 out of the shop, and was going to leave it run a wile to charge the battery. Came back after about 20-25 minutes. It was smoking a lite blue real bad. had a cloud going through the grove. Checked the oil and had 1.5-2 gallons antifreeze in the crankcase. Dropped the pan and filled radiator and looked for leaks found nothing. Pumped the system up to 7 psi still nothing. Put cardboard under engine. 12 hours later no antifreeze on cardboard and system was still holding pressure. There was maybe 2 drops hanging on no. 6 sleeve. I'm thinking something that opens up when it warms up? Anything more I should check before I tear into it. Was hoping I could figure out what was leaking before I took it apart. Thanks.
 
Thats ALOT of antifreeze. Did you roll the engine over while pressure was in the radiator? Maybe sleeve cracked or bad oring?
 
The other winter we had a 2 + 2 in the shop where the owner had the same problem. We had setting in the shop probably a week and we could not get it to leak doing exactly what you did. We pulled it out and left it set outside in the cold. The next morning we had antifreeze leak from around one sleeve. It had been overhauled 2 years before that and low and behold one of the sleeves had a defective O-ring.
 
No I did not, will have to try that. Tractor normally is in heated shop but few weeks ago I had it in an unheated shed for a week so maybe that is when it started.
 
That is what the guy with the 2 + 2 found as well. When he put it in his machine shop the coolant went in the pan, when we put it in the heated shop it did not leak.
 
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