loosing antifreeze

[gtflyboy]

I have been loosing antifreeze in my 2006 ford ranger 4L sohc motor .but no leaks are visible .Where is it going?

 

[swshawaii]

4.0L SOHC check the lower thermostat housing first. Seams split and leak, extremely common. Double check part numbers.

Step By Step Guide for Replacing Lower Thermostat Housing
http://www.explorerforum.com/forums/showthread.php?t=250947

https://www.rockauto.com/catalog/x,carcode,1432360,parttype,10337