AC problems

[John2003XLT4x4]

I have a 2003 Ford expedition XLT. My air conditioning in the front only works on the max setting. When set on any other setting it only blows out hot air. Even with the temperature setting on cold . Does anyone have any suggestions on how to fix this?

 

[trkinspector855]

I had a similar problem and found the vacuum tube to the heater hose valve was off.

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[John2003XLT4x4]

Thank you so much. I will let you know what I find.

 

[Hamfisted]

As suggested above. Check that this vacuum tube is still connected to the hot water valve. It's common for it to get knocked off when people change the sparkplugs or work in that area ....





Follow them to the firewall grommet and make sure they are not broken or cracked.