WHAT COULD CAUSE HEATER TO STOP WORKING?

2000 Ford Expedition

Tiny

erikacooper

September, 24, 2012 AT 12:11 PM

I have a 2000 Ford Expedition that the heat does not work. The air works great but when you turn the heater on, it seems as though the air is still on-there is no change in the temp of the air coming through the vents. What could cause this to happen?

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Heater

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3 Answers

Tiny

KHLow2008

September, 24, 2012 AT 12:35 PM

The air-mix and venting systems seems to be faulty or stuck and not allowing the proper air delivery. You would need to check the actuator movements etc. Is this an automatic or manual HVAC system?

Tiny

erikacooper

September, 24, 2012 AT 2:13 PM

I'm not actually sure. It is my husbands trucka nd we just bought it 4 days ago. He thinks it is automatic.

Tiny

KHLow2008

September, 24, 2012 AT 4:32 PM

The blend doors are vacuum operated so I would suggest starting by checking the vacuum hoses for leaks.

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