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I made a thread about this back in December. Fix was to put in new battery, which I did. There still is an annoying clicking noise that occurs while the ignition switch is in the on position, while driving, and then after you turn ignition off after driving. The sound emanates under the dash, somewhere around the steering column. My wife drives this truck and it is driving her crazy. Anyone have any ideas what relay or switch may be the culprit?

Thanks in advance for help!

Gary
 

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I made a thread about this back in December. Fix was to put in new battery, which I did. There still is an annoying clicking noise that occurs while the ignition switch is in the on position, while driving, and then after you turn ignition off after driving. The sound emanates under the dash, somewhere around the steering column. My wife drives this truck and it is driving her crazy. Anyone have any ideas what relay or switch may be the culprit?

Thanks in advance for help!

Gary
Do you have the Rockford Fosgate Stereo Package?
 

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i too have had this problem.. the reason why people might not realize this is happening to them is because it happens a couple mins after the car is turned off. i would like to know any suggestions for this as well. i don't have a rockford system
 

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i too have had this problem.. the reason why people might not realize this is happening to them is because it happens a couple mins after the car is turned off. i would like to know any suggestions for this as well. i don't have a rockford system
the sound after the ignition is turned off is the HVAC system shutting the inlet door. its normal.
 

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yourLT1, you beat me too it. :)
 

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Actually, the clicking noise is a problem with the HVAC system. It is one of the doors or motors or linkages. It is either stuck or it thinks it is stuck. Those of us with HVAC issues hear the clicking. I can usually stop it by shifting airflow from one outlet to another but if it is happening all the time then it is probably stuck part-way.
 

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I had this same problem. Like WhiteWolf said, it has something to do with the HVAC system. I had this clicking sound coming from somewhere behind the instrument cluster. It was associated with air coming out the wrong vents. Nissan just replaced the A/C - heater air mix assembly/servo in my truck and the problem has gone away - both the bad airflow and the clicking noise. I'd post the link to WhiteWolf's thread in the DIY forum if I knew how. The Nissan part numbers they installed for me are in there.
 

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I have noticed this clicking sound only in the last couple of months. I will pay closer attention to exactly when it does and doesn't happen and report back. So far I have only noticed it when driving over small bumps on pavement. I haven't noticed any relation to any specific unctions of the HVAC system but I will see what I can find out. It is terribly annoying and I believe is more frequent and maybe just a bit louder than when it first started. ...Maybe I'm just that much more annoyed by it.
 

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I can confirm that my clicking noise is unaffected by any change in HVAC settings. It continues to annoy me only whenever the truck shakes a little bit. It may be something loose in the front of the driver side door or somewhere on the left side under the dash. Any ideas?

thanks
 

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Actually, the clicking noise is a problem with the HVAC system. It is one of the doors or motors or linkages. It is either stuck or it thinks it is stuck. Those of us with HVAC issues hear the clicking. I can usually stop it by shifting airflow from one outlet to another but if it is happening all the time then it is probably stuck part-way.
Actually, the clicking noise is a problem with the HVAC system. It is one of the doors or motors or linkages. It is either stuck or it thinks it is stuck. Those of us with HVAC issues hear the clicking. I can usually stop it by shifting airflow from one outlet to another but if it is happening all the time then it is probably stuck part-way.
This just started on my 2007 Frontier and when I turn the vent dial to window defrost the clicking stops
 

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I have same noise. Just started after replacing starter however it is Running my battery down really Quik. Have noticed that when u put foot on brake it stops and my o/d light flickers when it is clicking So. I took my fuses out one at a time till it stopped And it was ign fuse. The bottom one on left. also have issues with back gate. Shocks quit working few weeks ago gate very heavy. And it sometimes causes my doors not too unlock correctly When I try key in drivers door. So going back out to do some more test. have to check p.n switch as well as signal to back gate. Also mine is also making a clicking sound underhood which is coming from black box located behind the battery. Abs/cruise box. Sorry I know thats not proper name for it. Wish me luck determining actual issues and fixing them. GODSPEED
 

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I've got a similar issue with my 2006 Frontier. It started a week ago after my adult son took the truck to a local car wash for a detail. He's thinking one of those plastic air fresheners that they slide into the air vents may have somehow fell into the back of the air duct and is trapped inside. I pulled down the glove box from the dash and took a video of what it sounds like after I turn on and off the AC. The sound also starts up when I start the car and lasts for about 10 seconds and then goes away. Now it seems I don't get any hot air from the heater. Here is a link to the video:
 

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2007 LE 4x4 Crew Cab Long Box
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I have same noise. Just started after replacing starter however it is Running my battery down really Quik. Have noticed that when u put foot on brake it stops and my o/d light flickers when it is clicking So. I took my fuses out one at a time till it stopped And it was ign fuse. The bottom one on left. also have issues with back gate. Shocks quit working few weeks ago gate very heavy. And it sometimes causes my doors not too unlock correctly When I try key in drivers door. So going back out to do some more test. have to check p.n switch as well as signal to back gate. Also mine is also making a clicking sound underhood which is coming from black box located behind the battery. Abs/cruise box. Sorry I know thats not proper name for it. Wish me luck determining actual issues and fixing them. GODSPEED
What year is your truck? If prior to 2005, perhaps start a new thread in the 1st Gen forum, lots of info there for the older models.
 

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the sound after the ignition is turned off is the HVAC system shutting the inlet door. its normal.
I was told it was the plastic thing that redirects the air depending on where you select it and it's the first thing to go. The dealer where I was buying my '07 replaced it with a new one and no clicking noise. Is that the same thing?
 
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