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6.7 Tech
HVAC Issues
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[QUOTE="6.0 Tech, post: 1551175, member: 23001"] Sounds like the evap temp sensor is bad. When you plugged the new one in, without removing the old one, was it installed in the evaporator? If it was, it was not in the right spot, and could possibly cause the evaporator to freeze. If it was not installed in the evaporator, then it definitely caused the evaporator to freeze. When the hvac module sees the evap is about to freeze, it shuts the compressor off until the temp rises enough, then kicks it back on. If it thinks the evap is say 60 degrees like it is in the truck, it will never see a reason to shut the compressor off, as long as pressures are good, and will freeze the evap. Shutting the ac off for a bit allows the evaporator to thaw out, and I’ll bet there was a **** ton of water pissing out the evap drain once it started to thaw out, probably got your carpet a little wet too. Any who, there may also be a reprogram for the hvac mod to correct some issues as well. Can’t remember what they were or build dates, but I do remember a run of hvac reprogram o. All sorts of stuff Sent from my iPhone using Tapatalk [/QUOTE]
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