Bernie 33 Posted March 1, 2024 Posted March 1, 2024 My old A3’s hot heating isn’t working even though the cold AC seems to be working overtime!! On top of that I keep losing water in the expansion tank over 100 or so miles to just below the sensors!! Any thoughts?
cliffcoggin Posted March 2, 2024 Posted March 2, 2024 Add an air lock to the list of possibilities. Has the cooling system been opened recently, to fit a thermostat for example or change a hose? 1
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