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Draining W4 Radiator?


 
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Tim in New York
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PostPosted: Wed Oct 09, 2019 8:22 am    Post subject: Draining W4 Radiator? Reply to specific post Reply with quote

I want to drain the radiator on my 1951 W4, but don't see any obvious petcock on the bottom of the radiator. Is there a drain in the block somewhere? How do I do this?

Thanks,
Tim
 
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leroy in ne
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PostPosted: Wed Oct 09, 2019 10:16 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

By memory which may be failing, came from factory with a 1/2" pipe nipple screwed in bottom tank of radiator with pipe cap on it. Special cap with ears on it that the crank would fit over to turn it. What is there now after nearly 70 years of farmer mods I will leave for you to decide. Possibly on left corner of radiator. Block drain should be a pipe plug located about the middle of block, either 1/2 or 3/8 inch pipe and may of also had ears but probably replaced with a plumbers pipe plug. Again only by my failing memory so look at what you have.
 
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55 50 Ron
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PostPosted: Wed Oct 09, 2019 10:36 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

Block drain is on the LEFT side of the engine near the carb as I remember. Otherwise leroy in ne has it explained well.
 
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Tim in New York
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PostPosted: Wed Oct 09, 2019 10:43 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

Thank you both. I will give it another look over tonight.

Tim
 
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Tim in New York
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PostPosted: Wed Oct 09, 2019 10:44 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

Am guessing this drain would be on the front of the radiator, not the back?
 
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1974vette
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PostPosted: Wed Oct 09, 2019 10:51 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

The drain is on the bottom side of radiator. Lay on your back and look up near where the radiator mounting bolts are.mine are on the right side of the radiator.
 
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55 50 Ron
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PostPosted: Wed Oct 09, 2019 10:58 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

The original pipe hung straight down from bottom side of the lower radiator tank.
 
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gmcdeadhead
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PostPosted: Wed Oct 09, 2019 11:46 am    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

its on the lower left side of the radiator bottom, i put in a brass pipe and a ball valve on mine so all i have to do is open it up from the ball valve if i ever need to drain the radiator
 
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mccormicksw4
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PostPosted: Wed Oct 09, 2019 1:52 pm    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

here is a picture of the closest W4 ( a Super for parts)to my computer
its a 3/8 pipe in the bottom of the radiator that should have a pipe hanging down low enough for you to take the cap off. it could have been changed at one point to a shorter pipe which may be why you cannot see it

 
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Tim in New York
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PostPosted: Thu Oct 10, 2019 4:55 pm    Post subject: Re: Draining W4 Radiator? Reply to specific post Reply with quote

Thanks - I found it - looks just like the picture. Now to get it freed up so I can turn it without breaking anything. Probably has not been touched in many years.

Tim
 
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