Testing our Volvo 940 Head Gasket - Is it Blown?

Miss Involvo'd uses a Co2 tester on our Volvo 940 Turbo (B230FT) to check for combustion gases in the cooling system and determine whether we have a failed headgasket. At the moment Involvo'd is funded by ad revenue, some very generous Patrons and a dishwashing/delivery job. If you want to support the channel (and get some perks, ie early access to videos, behind the scenes pictures etc, here's a link;   / involvod   0:00 Intro 0:42 Blown Head Gasket Symptoms 5:42 Combustion Leak Test