Common Ford 4 0 Sohc Coolant Leak Fix

Common Ford 4 0 Sohc Coolant Leak Fix Youtube This is very similar for most of the 4.0 ford v6 motors. the thermostat housing is a 3 piece plastic unit (plastic, stupid!) that is glued together. the glue. July 29, 2019. #1. greetings, looking for help on where my coolant is going to have an 02 explorer with the 4.0 sohc engine, high miles (286k). coolant has been disappearing from the system at about 16 ounces a week but can't find where it is going, have checked the following: pressure tested the system, it holds pressure for the 30 minutes.

1998 Ford Explorer 4 0 Sohc Thermostat Housing Coolant Leak R Finding and repairing a coolant leak on a ford v6 sohc 2003 ford ranger there are not to many how to videos on this so i thought seeing i had to fix it any. Dec 9, 2020. #1. 2011 ranger, 4.0 engine. i am loosing coolant with no external leaks. no evidence of coolant in the oil. not smoking. maybe 50 miles i lose about a quart. there is a lot of condensation coming from the muffler weep hole but it is pure water, no green. i don't have a radiator pressure tester so i can't do that test. October 30, 2010. #2. no coolant in intake. there is no coolant connection to either the upper or lower intake manifolds. i suggest that you check the thermostat housing near the front of the engine. it is made of plastic and can crack and leak. then the coolant could be running to the rear along the top of the block. Sep 17, 2015. #2. do a glove test. i suspect you have a blown head gasket glove test as follows with a cold engine. 1 get a rubber glove and remove radiator cap. 2 put glove over cap and seal. 3 disable spark. 4 turn engine over if glove dances you have compression entering cooling system. if it doesn't dance you have another problem so look.

Coolant Lake Leak Repair 2003 Ford Ranger 4 0l Sohc Thermostat October 30, 2010. #2. no coolant in intake. there is no coolant connection to either the upper or lower intake manifolds. i suggest that you check the thermostat housing near the front of the engine. it is made of plastic and can crack and leak. then the coolant could be running to the rear along the top of the block. Sep 17, 2015. #2. do a glove test. i suspect you have a blown head gasket glove test as follows with a cold engine. 1 get a rubber glove and remove radiator cap. 2 put glove over cap and seal. 3 disable spark. 4 turn engine over if glove dances you have compression entering cooling system. if it doesn't dance you have another problem so look. 4) removed upper thermostat housing and thermostat & o ring. 5) unplugged the harness going to the coil to make room to remove the lower thermostat housing. 6) removed the heater hose going to the lower thermostat housing. 7) unplugged the coolant temperature sensor harness. 8) removed the coolant temperature sensor. In this video i am tackling a coolant leak on my daily driver, a 2003 ford ranger xlt 4.0l sohc v6i've had this housing out before to replace the drivers sid.