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  #1  
Old 02-17-2013, 03:24 PM
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Default losing engine coolant

every time i put engine coolant in my truck it last about 2 month tops. what could it be?
i was thinking i had a bad gasket
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  #2  
Old 02-17-2013, 03:32 PM
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Default Re: losing engine coolant

what does the engine oil look like?
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  #3  
Old 02-17-2013, 03:34 PM
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Default Re: losing engine coolant

the oil is brand new and it looks good
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Old 02-17-2013, 03:35 PM
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Default Re: losing engine coolant

then you can rule out head gasket
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Sold:03 Sonic Blue FX4 Steppie 4.0SOHC 5spd

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  #5  
Old 02-17-2013, 03:47 PM
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Default Re: losing engine coolant

also there is no puddles on the ground

----------

what else could it be?
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  #6  
Old 02-17-2013, 03:48 PM
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Default Re: losing engine coolant

coolant resivoir could have a crack in it, intake manifold gaskets could be shot, pin hold leak in the radiator or hoses
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traded-2007 F150 XLT Supercab 5.4
Sold:03 Sonic Blue FX4 Steppie 4.0SOHC 5spd

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  #7  
Old 02-17-2013, 04:18 PM
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Default

My intake gasket went and it poured coolant, so it cant be that. Id say a hose or a small leak that would burn it up before it hit the ground. Maybe water pump gasket?

97 4.0 5speed 4x4 4" susp. lift
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  #8  
Old 02-17-2013, 07:26 PM
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Default Re: losing engine coolant

thermostat housing??
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Old 02-18-2013, 03:25 AM
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Default Re: losing engine coolant

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Originally Posted by 02Frank View Post
thermostat housing??
+1.

On my previous Ranger this was the issue. I was also picking up a slight coolant smell that told me it was leaking somewhere, but it took forever to find it.

The pinhole leak idea can also account for it.
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