I too have a Chrysler aspen 2008 with the same problem. It has been making that awful clicking noise for months key in or out and now I have no heat in the rear..

Answered by Skapler
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I have a 2008 Aspen with Hemi and I too am hearing a rapid knocking noise on rear passenger side. Please help if anyone figures out what the problem is. sounds like it is heater related I will trouble shoot and see what I can find out as well.

Answered by johnlarson1
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I have a 2008 Aspen with the same problem?????? It started out of the blue. It been going on for months.

Answered by Chryslergirl
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Okay, all of you who have the same noise coming from the back right rear seat of your Chrysler Aspens. What I found, (thanks to Quinn Chrysler in Bartlesville Oklahoma) there are two actuators inside the rear passenger side rear seat area. They are supposed to open and close a vent door depending on heating or cooling. These actuators are about the size of a home electrical breaker. The service manager at Quinn diagnosed the problem and had the actuators replaced. I have not had a problem with the clicking noise since.
The actuators cost around $35.00 each, I did pay for a couple of hours labor to have the rear side panel removed and actuators installed.

RodAspen

Response from Rodscar
1 question asked