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Boiled over at idle. Is the radiator plugged

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Rob

03-21-2005 14:02:52

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with grass and weed seeds in the fins? Mowing grass and weeds taller than axle high will do that. You can wash it out or blow it out with air or both. You should be able to look through the radiator and see your hand moving on the other side.

Check the belt tension. 1/2" movement half way between the crank pulley and generator. Put both hands on the genny pulley and try to turn it. It shouldn"t slip.

Sounds like you aren"t moving air across the radiator when it"s sitting still.

Maybe it"s a thermostat problem but I don"t know that it could be.

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jiminoystercreek

03-22-2005 03:05:23

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Re: Boiled over at idle. Is the radiator plugged in reply to Rob, 03-21-2005 14:02:52

I like Rob's answer here. I've had this happen to me (Plugged radiator from weeds/seeds).

I'm curious if you can see water circulation or movement in the radiator prior to the boil over incidents, indicating a functioning water pump and thermostat.
I'm thinking that maybe if its a water pump/thermostat issue, when the water in the block gets real good and hot, its popping the thermostat and dumping real hot water into the radiator, where it quickly forms steam- resulting in boil over. Just a thought.

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Rusty8N

03-22-2005 07:28:12

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Re: Boiled over at idle. Is the radiator plugged in reply to jiminoystercreek, 03-22-2005 03:05:23

There really may be something to Rob's answer....the 3 hrs mowing with no over-heating ended up with cutting some high weeds pretty near the end....the rad was covered with thistle ....I brushed the visible stuff off, but did not check if all the spaces between fins are now clear...great detective thought...thanks, I'll let you know...
Rusty

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