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thomcasey
 Post subject: Heater blend doors
PostPosted: Tue Jan 28, 2014 10:32 am 
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Location: Indianapolis, IN
Has anyone worked on/with the heater blend doors in the 3g colts? Wondering how hard they are to get to? I found that my heat doesn't work well because the floor air is always cold (yet vent and defrost will be hot. Makes for some frozen feet when it is -9 with a -30 wind chill (as it is this morning).

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1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)
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Mechacode
 Post subject: Re: Heater blend doors
PostPosted: Wed Jan 29, 2014 12:53 am 
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They're easy to get to. Just take off your glovebox door and the glovebox itself and bam, it's all right there. The doors are all controlled by cables coming off the hvac control head (the knobs). Check that all the cables are snapped into their holders, both at the ends and in the routing. I had an issue where my doors weren't sending heat where I set it and it was because one of the cables popped off the holding clip. Snapped it back in and everything worked fine.

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thomcasey
 Post subject: Re: Heater blend doors
PostPosted: Wed Jan 29, 2014 7:20 am 
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Great, thanks!! Saturday is supposed to be 30's (shorts weather!!!! :supz: ) so I hope to be able to get at it then.

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Thom
1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)
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thomcasey
 Post subject: Re: Heater blend doors
PostPosted: Thu Jan 30, 2014 9:08 pm 
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Location: Indianapolis, IN
Haven't checked the doors yet, but I discovered if I place the air to recirculate, I get heat on the floor. Set it to fresh annd it is cold.

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Thom
1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)
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j2dapo
 Post subject: Re: Heater blend doors
PostPosted: Fri Jan 31, 2014 12:28 pm 
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Location: Calgary, AB, Canada
Quote:
I had an issue where my doors weren't sending heat where I set it and it was because one of the cables popped off the holding clip. Snapped it back in and everything worked fine.
+1

On mine the cable sleeve mount or holder broke off. So moving the levers did nothing even when the ends where connected. I had to reach under the dash to articulate the doors.

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