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AC on 05 Trailblazer

NWBuck
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NWBuck Rising Star

NWBuck

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This thing is driving me nuts and costing a small fortune. Have replaced actuators in both front and rear, and most recently replaced leaking condenser. Now the thing still occasionally throws "heat" to the passenger side (dual controls) even when set on max AC. Also sometimes fan just doesn't even run, and will just kick on after driving for awhile. Shop guy says they've had similar problems in other TB, but most often in ones like ours that have the dual climate controls. Anyone have any ideas??

Frustrating to have just gotten the thing out of the shop and realize it's still not working right, and I'm questioning how much more we should spend on it before we cut our losses...

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Jeremy airjer W Grand Master

Jeremy airjer W

Posted
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I know you just had the a/c serviced but I would be curious to see if there is a full charge of freon in the system. Dual climate GM's like to blow one side hot and one side cold if the freon gets low.

If it has a full charge than I would suspect the passeger blend door acuator.

Remove the trim panel under the passenger side of the dash so that the blower motor is accessible. Next time it does not work tap it with a screw driver. If it starts working replace it. If it still won't work twist the connector at the blower motor. If it starts to work replace it. If none of these work than check for power to the blower. If there is power on both wires than there is a proble. On the ground side (resistor, control head, ground wire). If there is power on one side and ground on the other than replace the blower motor.

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  • Your Responses - Share & Have Fun :)

    • SledNeck
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      By SledNeck · Posted

      Sorry man 
    • rundrave
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      By rundrave · Posted

      Sorry to hear that Duff. Will give my GSP's an extra scratch behind the ear for you guys today
    • Wanderer
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      By Wanderer · Posted

      Aw, man, sorry to hear that.  Shed some tears and remember her well.  They all take a piece of our hearts with them; some more than others.
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      By Mike89 · Posted

      yes sorry for your loss..  our dogs are always special...
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      By smurfy · Posted

      Truly sorry to hear that duffman! I know that feeling.  Keep the good memories  
    • Duffman
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      By Duffman · Posted

      Chamois passed away this weekend a couple days short of her 13th bday. What a great dog to hang out with here at home and on distant adventures. Gonna miss ya big time my little big girl.
    • Crow Hunter
      New boat question

      By Crow Hunter · Posted

      Sounds pretty sweet, alright. I will check them out, thanks.
    • Wanderer
      New boat question

      By Wanderer · Posted

      If you really want to treat your wife (and yourself) with a remote operated trolling motor, the Minn Kota Ulterra is about easy as it gets.  Auto stow and deploy is pretty awesome.  You just have to turn the motor on when you go out and that the last time you have to touch it.   24V 80lb.  60 inch shaft is probably the right length for your boat.  They ain’t cheap - about $3k - but neither one of you would have to leave your seat to use it all day.
    • Crow Hunter
      New boat question

      By Crow Hunter · Posted

      Wanderer, thanks for your reply. I do intend for it to be 24 volt, with a thrust of 70-80. Spot lock is a must (my wife is looking forward to not being the anchor person any more).  With my old boat we did quite a lot of pulling shad raps and hot n tots, using the trolling motor. Unlikely that we will fish in whitecaps, did plenty of that when I was younger. I also need a wireless remote, not going back to a foot pedal. We do a fair amount of bobber fishing. I don't think I will bother with a depth finder on the trolling motor. I am leaning toward moving my Garmin depth finder from my old boat to the new one, just because I am so used to it and it works well for me. I am 70 years old and kinda set in my ways...
    • Wanderer
      New boat question

      By Wanderer · Posted

      Dang, new content and now answers.   First, congrats on the new boat!   My recommendation is to get the most thrust you can in 24V, assuming a boat that size isn’t running 36V.  80 might be tops?  I’m partial to MinnKota.     How do you plan to use the trolling motor is an important question too.     All weather or just nice weather?   Casting a lot or bait dragging?   Bobber or panfish fishing?   Spot lock?  Networked with depth finders?  What brand of depth finders?

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