Question about Cars & Trucks
Might be head gasket. You will have to take a look when you pressurise the system.
Posted on Aug 14, 2019
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Posted on Jan 02, 2017
there is a temporary fix for this until you can get it replaced, you will need 4 washers wide enough to fit around the lip of the upper half. Remove the 4 bolts holding the outlet and place the washers on the bolts and tighten down lightly enough to prevent leakage, this will fix it on a temp bases only until it can properly be repaired.
Posted on Jan 26, 2009
check closer to just underneath the firewall--it could be a smaller problem than a heater core--Ford 4.6--5.4 engines have a tube just underneath the intake manifold that the rubber hose goes bad and it will leak towards the back of the engine.Lets hope so-what i hear its very expensive to change a heater core in an Expedition.
Posted on May 01, 2009
Sorry im late with this,i couldnt seem to log on....The answer to your question is YES,there is a steel line under the intake with a short piece of rubber line attached to it and you can just about see it from the front of the intake with a light,it can leak and cause coolant to run off the back of the engine,The intake gasket set alone is about $40.00 and i dont know about the rubber line,i have seen it physically but havent changed one yet.Note the date of manufactor just incase,i bought an intake set for a 99 and the engine design was changed half way through...its not too hard to pull off the intake and re-install,you will need a 7mm socket for the coil packs,8mm socket for the fuel rail bolts and lower intake bolts and power steering bracket bolts and throttle bracket bolts,10mm socket for the intake bolts and alternator bolts and egr valve,and a large cresant wrench for the exhaust tube thats connected to the egr valve,flat screw driver for the air cleaner...and plenty of extensions with a swivel to be able to get to the back bolts of the intake....just incase you do it yourself this info could make it easier to gather tools.Its about a 3 1\2 to 4 hour job start to finish for the first time doing it,includes cleaning everything..Good luck
Posted on May 16, 2009
It could be a hose on top of the engine leaking back there. It could also be a freeze plug on the back of the engine. Its a round disk about 2-3" in diameter and is recessed about 3/8" into the block. Check those out and make sure all hoses are good and tight. Any hoses that are kind of puffed out above the clamp should be replaced
Posted on Sep 30, 2009
No, that would probably be a freeze plug on the back of the block if the coolant is coming out between transmission bell housing and engine.
Posted on Jan 18, 2010
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