Re: Re: Re: Re: Re: Cub overheating

Posted by Bill Smith on March 19, 2003 at 12:20:54 from (63.147.130.34):

In Reply to: Re: Re: Re: Re: Cub overheating posted by Andy on March 18, 2003 at 16:09:13:

wd Tom is correct. A radiator shop is capable of taking radiator apart and rodding out the gunk in the cores. That is of coarse if that is what the problem is. Ussually pressurizing a coolant system when full of water is to check for leaks. No real need to do that since you know where your leak is. Your leak getting worse when tractor was running is no indication that water was circulating anywheres. It just simply means that the full system probably built up a little pressure when tractor was running to cause the leak to get worse. It may be that the cub has a pressurized radiator cap. I am not sure on that. Earlier thermosyphon systems had a non pressureized cap. I would do as you are thinking. Take hoses off and run water through top side of block with some pressure either with thumb over hose or using a pressure washer. Any crud or rust coming out of lower hose casting would indicate blockage in block. Do the same with radiator. Might give you an indication as to whether the radiator has some crud in it, but that gunk that builds up in radiator cores is pretty hard to nock lose and flush out. If it leaked enough fluid out so that the fluid level was below where the top radiator hose goes into radiator when tractor was running might be the reason it boiled over. But if not (fluid level was at an operational level) and it boiled over, then something is apperently stopped up.

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