Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › What’s Going On With My Cooling System? Do I Have a Blown Headgasket? › What’s Going On With My Cooling System? Do I Have a Blown Headgasket? September 28, 2019 at 1:17 am #894590 Richard KirshyParticipant +1 Agree. Driving the vehicle, you’ll have a better chance to shaking loose any minimal trapped air with in the system.