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John Deere 6x4 running hot

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ljordan119
Join Date: Dec 2021
Posts: 1 Savannah GA
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2021-12-22          200829


There is a Kawasaki FD620d engine in this Gator. I have read a lot of forums on these engines running hot. Most of them advise burping the engine and getting the air out. I have burped this thing so many times now, I can not count them all. I am thinking it has blown a head gasket and exhaust gases are getting into the cooling system and coolant is getting on the spark plugs causing it to misfire. Has anyone head of this?

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John Deere 6x4 running hot

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gatoraider
Join Date: Nov 2008
Posts: 544 Maryland
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2022-01-03          200835


I would think you have a blown head gasket. That superheated the coolant to the point that it creates a vapor lock in the area of the water pump impeller. When this happens coolant stops circulating and you keep frying the motor. Exhaust gasses heat the coolant to the point that the radiator can’t cool it. ....

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John Deere 6x4 running hot

View my Photos
Cheapsnake
Join Date: Feb 2017
Posts: 14 WI
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2022-01-06          200836


A blown head gasket will usually show itself as vapor at the exhaust. ....

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