HELP! Coolant Leak in driver side cabin.
 

Hello Guys, I just notice today that I have a massive coolant leak in the morning, I have drive the car for 10 mins and the temp goes up, Called recovery/towing and drive to the garage, Upon checking and doing pressure test, garage found no leaks at all.

They top-up the radiator about 1liter and im good to go, upon checking my driver side cabin it is a little wet and smelling it is sweet coolant smell. Photo attached.

Any idea what is leaking and what to be changed? I suspect a heater core but can we bypass heater core in 86s/brz?
BT My coolant is color green.


Photos:
https://tinypic.host/i/steRb
https://tinypic.host/i/stvru

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https://www.ft86club.com/forums/showthread.php?t=148051