Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Could this be my coolant leak? › Re: Could this be my coolant leak? November 11, 2012 at 6:28 am #475976 hbvxParticipant It’ll be crusty, right? Not necessarily wet? Best to pull the plug after it has been driven and still is warm(for looking into the cylinder purposes for coolant presence) or even stone cold/doesnt matter?