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Farmall & IHC Tractors Discussion Forum

Re: New posting for 450 diesel # 1 cylinder leaking.

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Author  [Modern View]

11-20-2019 06:10:42

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Thanks for the tip head should be hot to test. That might be a key. I plan on retorquing when hot but most likely will be pulling head this weekend. I imagine its unlikely the hot retorque will resolve it if it's leaking that bad ah?

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the tractor vet

11-20-2019 15:41:04

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 Re: New posting for 450 diesel # 1 cylinder leaking. in reply to jhncp, 11-20-2019 06:10:42  
YUP , myself like i said earlier i would be looking else where for the problem . You can also use the poor man magnflux test looking for cracks and that is clean up the head nice and clean then with a can of starting fluid spray the head down and watch as it dries any crack will stay wet longer . You can make up your own pressure test of your head with making up blocking plates and rubber sheet gskt material and a way of clamping them over the water passages and a blocking plate to cover the thermostat housing once you remove it and you make a adapter so you can fill with water and apply air pressure of around 20 psi and warn the head to around 180 to 190 degrees . We use to do this with the steam cleaner running really hot water thru it till we got the temp then fill with hot water and pressure it up . IF there was a leaking crack you found it . Also we did this with a bare head that was cleaned .

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