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ac problem

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Old May 19, 2015 | 03:20 PM
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dcoll1957
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ac problem
2003 dodge no upgrades don't have any cold air on passenger side even fan on high
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Old May 19, 2015 | 04:11 PM
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steelblitzkrieg
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Probably low charge causing partial frost pattern on evaporator.
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Old May 19, 2015 | 04:19 PM
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ac problems
also have other problems cannot get any heat have to keep playing with temp select dial nothing from defrost or floor
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Old May 19, 2015 | 05:21 PM
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That sounds like broken mode doors.
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Old May 20, 2015 | 07:12 AM
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Originally Posted by dcoll1957
2003 dodge no upgrades don't have any cold air on passenger side even fan on high
A can of freon would fix that.
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Old May 20, 2015 | 10:20 AM
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Did the 03's still have vacuum for the mode doors?
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Old May 21, 2015 | 07:04 AM
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mode doors
iam pretty sure they went to electric actuators on doors
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Old May 21, 2015 | 11:56 AM
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Jeff in TD
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Here is an excellent and helpful write up on the HVAC system.

https://www.dieseltruckresource.com/...rstood-210483/

Indeed it sounds like you may have a broken mode door.
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