[Jmaotto]

Has anybody had a problem with cold air from under the dash on the passenger side. It;s an 02 that allows cold air to enter with a down draft to the floor. If I run the heater blower on a higher speed it is not as much of a problem. I guess that adds pressure to passenger compartment to reduce the cold air entering.

 

[Kemosabe]

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Has anybody had a problem with cold air from under the dash on the passenger side.

I had an '03 YukonXL that ran the A/C on the passenger side and the "Heater" on the drivers' side, once. Took it to the dealer. They replaced some "Sensor-Thing" and it fixed it... (Strange)

Typical "Computer-Controlled" (That's all you can buy) Truck... :exactly: