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Replaced heater blend door and accuator but accuator will not work

The blend door failed and I replaced it. Upon checking to see if my work was sufficient I found that the actuator for the blend door was not operating properly. The shaft that connects to the blend door only wiggled the blend door slightly left and right no matter what I turned the temp control know to. I purchased a new actuator and it does the same thing. Could it be that the control on the dash is some how malfunctioning, the wiring bad, or both actuators bad? Or something in between.

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What type of car is this? There should be a way to scan the climate control system for fault codes. When you mention that the door wiggles, it makes me wonder if the door movement is restricted in some way.

Posted on May 29, 2017


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 99 Grand Am heat out of dash at times.

it is the heater control panel. it is all electric. common problem with gm hvac controls

Posted on Jun 04, 2009

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SOURCE: new blend door actuator doesnt operate

had this problem before... recheck it for EATC or MANUAL...??? eatc on a manual will only go to half way...sounds like they gave you the wrong part....its a pain to replace wasn't it.....hope this helped you...GL

Posted on Jul 06, 2009

  • 1 Answer

SOURCE: blend door actuator needs replacing does the

no it doesnt ... check out if you have to replace the blend doors .... but the actuator is directly behind the glove box...remove the glove box take out 3 screws and remove actuator and replace.....waa laa

Posted on Nov 25, 2009

  • 1190 Answers

SOURCE: Drivers side blend door actuator not working

Hello: I have bad news for you, if you run the actuator without it connected to the door the actuator is ruined, it will have to be replaced. After replacement the system has to have the doors (actuators re-calibrated.) re-calibrated. This is done with a Tech 2, A GM special tool.

Posted on Nov 12, 2010

  • 5158 Answers

SOURCE: 2002 Ford Crown Vic 4.6L. EATCM A/C, Heating

that clicking noise you hear is likely a relay in the fuse panel that needs to be replaced. the easiest way to find out which relay it is would be to put you finger on each relay as you actuate the device not working. once you locate the clicking relay replace it . to reset the computer just unhook the battery for about ten minutes. if you have an anti theft radio make sure you know the code for it and how to enter it before you unhook the battery.


Posted on Nov 27, 2010

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