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#1
11-01-2008, 02:20 PM
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A/C or Heater Clicking
I have a 98 Blazer and just replaced the A/C a couple months ago. Recently I have tried to turn on the heater and a clicking noise began in the dash or under the hood (I havent quite located the exact place). It would click for a few minutes and blow hot air then the clicking would stop and the heat would stop as well. Now when I turn my car on the clicking is constant and it always blows hot air...abnormally hot. The A/C no longer blows cold air but everything under the hood seems to be fine. I cant get it to shut off unless I pull the fuse. If anyone has any idea what it could be and/or how to fix it please let me know. Thanks.
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#2
11-01-2008, 02:49 PM
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Re: A/C or Heater Clicking
Welcome to AF.
Auto or manual AC/Heater controls? Could be the blend door motor or blend door. Go up to the how to section and read about and look at pictures on the blend door location and problems and replacement. Locate the blend door motor and see if the clicking is coming from it. And watch it asnd see if the shaft out of it is turning or just clicking.
__________________
Remember proper testing gives us the answer to many problems. MT
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#3
11-01-2008, 02:51 PM
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Re: A/C or Heater Clicking
http://www.automotiveforums.com/vbul...d.php?t=574779
http://www.automotiveforums.com/vbul...d.php?t=620747
__________________
Remember proper testing gives us the answer to many problems. MT
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#4
11-01-2008, 05:04 PM
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Re: A/C or Heater Clicking
I am pretty sure that it the A/C is auto. Thanks for the response, I will check it out and get back to you if I cant get it!
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#5
11-01-2008, 05:09 PM
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Re: A/C or Heater Clicking
sounds to me like a stripped temp door actuator- do as stated above- to confirm
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#6
11-01-2008, 05:29 PM
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Re: A/C or Heater Clicking
Is a blend door actuator the same as a blend door motor?
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#7
11-01-2008, 06:05 PM
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Re: A/C or Heater Clicking
Quote:
__________________
Remember proper testing gives us the answer to many problems. MT
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