Donohio

New User
I'm a new owner of my grandfathers '41 9n. It has been sitting for 6 years, supposedly ran fine. It runs great , but after about 20 minutes it starts steaming and soon is boiling over. I flushed out the system, pulled the water pump, all looks fine( never have seen a forward blowing radiator fan before). I've read posts about it could be a leaky head gasket, but it takes so long to start boiling, any ideas? Thanks for your help
 
(quoted from post at 03:58:20 05/27/15) Fan is on backwards. should blow back towards engine
Does not have to, there are pusher fans that blow air rather than sucking it thru. People like them to keep the front of the radiator clear of weeds and greass.
 
(quoted from post at 14:58:20 05/26/15) Fan is on backwards. should blow back towards engine
ven if you could bolt it on backwards, it would still blow the same way, but with less efficiency.
 

To bad it does not have a temp gauge it would take the guess work out of it...

Some say they can smell when it overheats maybe you can splain the smell and they will ring in...

I was thinking yesterday would anyone buy a new tractor with out a temp gauge are dream up a excuse as to why it did not have one...
 
(quoted from post at 11:07:07 05/27/15)
To bad it does not have a temp gauge it would take the guess work out of it...

Some say they can smell when it overheats maybe you can splain the smell and they will ring in...

I was thinking yesterday would anyone buy a new tractor with out a temp gauge are dream up a excuse as to why it did not have one...

One of my 8ns was overheating because of a loose fan belt. I could smell it, I could smell the antifreeze.
 
usual culprits on old, neglected tractors I get,
stuck thermostat or plugged/restricted with muck/rust.
radiator fins plugged with ancient grass, dust mix.

like Hobo said.
When I get an old one running....first day...if it doesn't have a temp gauge.
Mild drive around for a while, or light duty pull a rake.
swing by the shop.
leave it running.
take off the cap (be careful now)
look in to see how the pump is working warm.
drop in my meat thermometer.
140? someone took the thermostat out.
above 200? too hot for the mild work, and I start why digging.

(exceptions for thermosyphon systems. upper tank slightly above 200 is normal...much higher? why digging)
 
From some research, I found that a reverse fan was
an option offered to keep the front of radiator clean
from debris.
 

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