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Ticking noise coming heater control area

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Old 18 Jun 2017, 09:40 pm
Fresh Cruiser
Join Date: Sep 2016
Posts: 20
Default Ticking noise coming heater control area

I have weird tick like a switch turning and off it happens every 4-5 seconds. It is really annoying anyone know what it could be. There have been nothing changed or added recently.
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Old 19 Jun 2017, 06:55 am
Obsessed Cruiser
Join Date: Aug 2015
Location: Lake Wales, FL
Posts: 5,011
Default Re: Ticking noise coming heater control area

Might be a blend door actuator not operating properly. IDK, just speculating.
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Old 19 Jun 2017, 09:21 am
Cool Cruiser
Join Date: Feb 2014
Posts: 298
Default Re: Ticking noise coming heater control area

sounds like like stuck blend door as stated above. Change the speed of the fan and see if it changes can also be the fan motor (if you're lucky).
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Old 20 Jun 2017, 12:42 pm
Regular Cruiser
Join Date: Mar 2014
Location: Tampa
Posts: 111
Default Re: Ticking noise coming heater control area

Does the tick frequency change with the blower motor speed? In other words faster blower motor it tick more?

If so it could be something as simple as a leaf in the blower motor, or as with my 02 cruiser the plastic grill where the defrost air comes out got brittle and broke causing pieces to drop down to the blower motor area.
2003 GT
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