vinny933 Posted December 30, 2021 Share Posted December 30, 2021 2019 granite got a pop up message , check coolent at next service interval . what does this mean it went away. called mack no clue Quote Link to comment https://www.bigmacktrucks.com/topic/68995-pop-up-message-check-coolent/ Share on other sites More sharing options...
tjc transport Posted December 30, 2021 Share Posted December 30, 2021 it means coolant level is low. the low coolant sensor is about 3 or 4 inches or so down in the radiator. when cold the coolant level is lower than when hot. a gallon or so should turn the light off. there is a hot and cold level on the fill tank. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/68995-pop-up-message-check-coolent/#findComment-486217 Share on other sites More sharing options...
vinny933 Posted December 30, 2021 Author Share Posted December 30, 2021 ok i will check it tomorrow coolant level in the plastic tank looked full though, thanks Quote Link to comment https://www.bigmacktrucks.com/topic/68995-pop-up-message-check-coolent/#findComment-486219 Share on other sites More sharing options...
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