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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-06-2006
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4.0 coolant level

hey i have a 98 ranger that i just bought and i was checkin the oil and noticed that there was no coolant in the overflow bottle next to the washer fluid. how much is supposed to be in there? i took a quick glance and didn't see a line marked LOW. i would look in the owners manual but i do not have one, thanks.
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Old 03-06-2006
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Typically about halfway or a little more should be sufficient.
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Old 03-06-2006
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thanks for the quick reply, have a good one.
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Old 03-06-2006
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there wasn't a coolant leak under my truck, any ideas of what could be wrong?
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Old 03-06-2006
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Water pump?? Upper or Lower radiator hoses??? Heater core hoses?? Best thing you can do is go rent a pressure tester from the auto parts stored. Pressurize the system and look for the leak.
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Old 03-06-2006
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alright thanks for the info, i'll keep my eye on it.
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Old 03-06-2006
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majoroty of the time the water pump will leak for a while and as the engine is running and as your driving it will sling a small amount of coolant and it will dry so you never have a drip at first. id check the water pump and hoses. pressure testing is good idea too let us know
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Old 03-06-2006
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I found that same problem about a week ago, I just filled it back up to a little over halfway like was previously stated on here...we will see how it holds up..
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