Having problems with your 1998 Ford Expedition ?
What do I check if I have no heat? - 1998 Ford Expedition
The first thing I check if the heater is blowing, but the air isn't hot - is the coolant level in the radiator. Take off the radiator cap and look inside. If the antifreeze isn't full to the top, then add some til it is. If it's full, there's a bigger list of things to check.
Repair Help & Product Troubleshooting for 1998 Ford Expedition
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