hvac only discharges thru defrost vent

Asked by May 07, 2017 at 04:51 PM about the 2000 Ford Explorer XLT

Question type: Maintenance & Repair

2 Answers

257,505

The HVAC system works off vacuum, so when one of the hoses break,cracks or comes off, the system defaults to the defrost. Check all your vacuum lines under the hood along the firewall and the ones that enter the cabin. Also under the dash as well.

My explorer heater switchs from vent to defrost on its own why

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