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?
It appears you still have some small amount of air entrapment with in the cooling system.
If this is the case and you really want to clear the system of all air, you can invest in a vacuum fill system.
If you are concerned about a possible head gasket issue.
You can do a combustion gas test :