Having problems with your 2004 Ford F250 ?
Only blowing through defrost vents
\015 After coming home from deployment (truck sat for 8 months), my 2004 F250 will only blow through the defrost vents no matter what position the selector is in.\015
Defrost is fail safe mode. cehck for a broken vacuum line from the engine to the heater control head. check vacuum reservoir under hood for leaks.
Repair Help & Product Troubleshooting for 2004 Ford F250
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