My heat just stopped working, my fan is not kicking in, i can feel heat when i put my hand up to vent, it is just not blowing out. my coolant is fine, is this a fuse? fan?
GM uses vaccum to operate the blend doors on their heating and air conditioning systems. There is either a cracked hard plastic line or a cracked, unplugged vaccum line somewhere. If you have done any work to the vehicle latelt I would start by looking there first.
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