There is a coolant connection to the throttle body.
SOURCE: Coolant leak on 2001 Taurus.Coolant seems to be
heaterhose is in that general area. most common leak is that spraying aroung so it looks like something worse
SOURCE: 98 Expedition coolant leak top back of engin
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
SOURCE: ihave a small coolant leak looks like intake
The intake manifold gasket needs to be replaced it sounds like to me.
SOURCE: coolant leak 3.3 Nissan Xterra
you can purchase a chilton or haynes service book for around 10-15 bucks, it has lots of good info and will save you alot of headaches. however intake gaskets are cheap and one solution would be to remove the intake to get a better look, its an easy process and only takes about 15 minutes
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