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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Block coolant drain?

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Old Jun 14, 2008 | 08:06 AM
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Block coolant drain?

I can not find a block-drain on my 300cid engine. Haynes manual claims there is one on the LH rear of the block, but there isn't. How can I drain the block? Thanks for any advice on this.
 
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Old Jun 14, 2008 | 09:29 AM
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It will be just a pipe plug more than likely, the type with a square head. When I do rebuilds I replace these with radator type pet*****.
 
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Old Jun 14, 2008 | 01:27 PM
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I was looking for something protruding in that area, but maybe you are describing a 'flush' type plug with a square-drive indention? I'll get out my glasses and brightest light and look harder. Thanks for the response.
 
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Old Jun 15, 2008 | 08:46 AM
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Look under the exhaust manifold, between the last 2 freeze plugs.
Look here: BB6
Edwin
 
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Old Jun 15, 2008 | 09:37 AM
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ok, Red. I knew that sensor was there. I was going by the stupid Haynes book that claims there is a drain at the LH rear of the block.....easier to deal with than the sensor area. Thanks
 
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