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Coleman UT400 Coolant Leaking


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Posted

I just reassembled the engine to fix the shifting issue.  I ran the unit for about 15 min and it started to overheat.  I thought it was an air lock and let the unit cool down and opened the radiator cap and head burping and then looked under the machine to find coolant.  I found where it is leaking from, see attached photo 1.  I added coolant and it doesn't leak until the fan starts.  When I put the engine back together I may have installed something incorrectly? Image#2 one shows a part that I was not sure where it goes, I ended assuming it was part number 23 in image #3.  Is this correct?  Could this part be the issue why I am getting leaking?

 

attached photo 1

image.png.2d2f193e991dd1c50d76aa442122b01f.png

 

image 2

image 1.jpg

image 3

image 2.png

  • Solution
Posted

So the leaking is because part 23 is damaged and had come apart when I took off the Impeller to clean it.  my bad for not paying attention to this when I had the engine out of the chassis.  I ordered a new water seal from https://www.motorcycledoctor.com/checkout/order-received/23632/?key=wc_order_v3q9nFrtImCjy  The delivery was 3 days, so I didn't have to wait long for the part and they are the only one I could find that had the part in stock.  Taking out the old part was a pain.  saf344g               I only disconnected the engine from the chassis along with other misc items need to be taken off to rotate the engine enough to get to the part. Also disconnected the gas tank to shift it backward so I could get in there.

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