Paul\'s in the middle of a repair and has a quick question Hi Guys this is Kim, Paul's down at the shop trying to locate a coolant leak on the 6.2. He thinks it might be coming from the glow plug controller but there's the whole top back end of the block is damp on the drivers side. He's curious if a head gasket can leak outwardly. He's impatiently waiting for your responses guys (and therefore bugging me!!). Thanks!