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Chevy TrailBlazer Climate Control Questions



  • jersybehrjersybehr Posts: 1
    My girl friend has a 2003 Trailblazer with manual controls and no rear evap. When the vehicle is started (doesn't matter if it is a cold or hot start) the AC blows cold for about 10 to 20 seconds, goes warm for 5 to 10 seconds and then blows cold the rest of the time when the truck is moving. At idle it only blows cool. I have by-passed the low pressure switch but the AC compressor still cuts out during that initial startup period.

    Any input would be appreciated, Tim
  • kmgolden85kmgolden85 Posts: 1
    I bought an 04 trailblazer last summer and actually worked great..turned it on last week and it was warmer air..bought some freeon put it in but wouldn't take the whole can .. I noticed my temp said -33 degrees lol im in jersey no way its that cold..then it would jump back up to 49 when its 80 it wont go any higher then 49 but ill grt my ac back until it drops back down to negative .. what I wanna kno is there a way to reset to system before I change the sensor ?
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