Heater core – Resembles a small radiator, located behind the dashboard, hot engine coolant is routed through it. The 2011 Ford Explorer has 2 problems reported for ticking noise from under dash when car turned off. I will soon take it to Ford dealer once I find my warranty papers. What Could Be The Most Possible Cause? Temperature sensors – Sensors feed live readings to the control module. Clicking really doesn't describe it properly since it's loud. It’s a large bulky unit that takes up much of the space behind the dashboard. No warning lights come on. When my car is completely off and I open my door it makes a clicking noise from the center of the dash. Clicking noise from center of dashboard on my 2005 Chevy impala 1 Answer. Most systems can set a trouble code if a sensor is out of range, scan for DTC's. A stepper motor is an electric motor employed to move in very precise increments. What’s a relay? I've also heard the noise when the car is shut off and I'll bump against it. If there is a problem in the air conditioning system, such as a leak, the compressor could turn on, then off, then on, then back off again. Ignition coils are commonly... We’re John and Eddie Cunningham, resident Red Seal qualified mechanics and deeply committed gear heads. Dashboard Door Noise Intermitent noise coming from behind dash from area left of display panel. The connectors for the actuator tend to corrode and cause resistance that results in a bad signal to the control for the actuator. Stepper motors – Are motors connected to the blend doors that move in very precise increments when commanded. Once the dash light or headlights dim, it is a clear indication of potential alternator malfunction. Some lube may help, try a little WD40 on the gears and pivots. We’ll use our ears. You may find an obstruction, a stuck door, disconnected actuator or A faulty motor, all are common. The three most common causes of a clicking noise from the dashboard are: In this post you’ll learn about the most common causes of a dash clicking noise, how to diagnose them and how to fix them. Here’s a relearn or also known as a re-calibration procedure for some GM vehicles: Re-calibration fixes a lot of HVAC issues, if however the problem reoccurs a failing stepper motor is the most likely root cause. I decided to try and turn the car on. Ac seems to work properly. The relays emits an audible click as the contact points close and open, this is normal operation. One of these components, the heater plenum, contains devices called blend doors that control the mix of cool air to warm air as the user switches the controls from one climate setting to another. They signal the heater control module with their exact position of the blend doors, known as counts. Car Has High Pitched Whining Noise That Increases As You Excellerate. Your cars heater known as a HVAC (Heating Ventilation Air Conditioning) system is a clever piece of kit. Moving the blend door controls will activate the stepper motors. My battery is only 2-weeks old. My Chevy Impala started a clicking sound under the dash. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. I was out somewhere, and when I came back to my car, there was a really loud rapid clicking coming from the dash. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. I've been a mechanic for over twenty years, I use my knowledge and experience to write articles that help fellow gear-heads with all aspects of classic car ownership, from tires to roof aerials and everything in between. It is way more sophisticated than it looks. But finding the coil can sometimes cause some head scratching. If the alternator starts to die, you might notice your headlights and/or dashboard lights beginning to dim. When my dashboard started to click I changed the heater settings and noticed the clicking noise change slightly and so I deduced it must be a stuck door or stepper motor. No warning lights come on. Humming Noise When I Drive 40mph Till 60mph But When I Get To 65mph Its Not That Loud. This 2004 Srx Awd Has A Loud Popping Racheting Noise On Hard Accelleration. Sometimes the positions are miscalculated which causes erratic motor activation. I didn't have the key in the ignition or anything. No more rattle and krek krek noise from your car will make you more happy with your old cars. A pen stuck in the blend door.Remove the pen, problem solved. I am hearing a clicking noise on driver's side. ----- Just to update some information here. GM mechanic says... link to Where Is My Ignition Coil Located? I took it to the dealership on Thursday and they have not been able to replicate the noise, and I'm pretty sure that they think I'm nuts at this point. My car has a loud clicking sound coming from the dashboard? It goes on for 3-5 minutes. This cycle is sometimes audible inside the car, causing a clicking noise. The clicks start shortly after the car is started and only last about 8 seconds. The motor can also fail and cause a clicking noise. I can go out in the morning and the clicking noise can be heard from outside the car it is so loud. My car is a 2001 Saturn SL1. Fan – Located behind the dash board and employed to. This is the site where we share everything we’ve learned. The HVAC control module manages it all but in order for it to do it’s job correctly it must receive accurate blend door position readings. As your heater is controlled by a control module (computer) a scan tool is the best place to start. Try helping the motor by opening the blend door as you operate the control panel. What happens is the motors begin to go bad, creating the annoying noise behind your dash. If no trouble code start pulling fuses until the noise stops, not an easy repair. The compressor works like a pump to compressor refrigerant. Just a light force apply to your car dashboard will do. However, when I click to parking light off a buzzing (or very fast clicking) starts in the dash to the right of the steering wheel. Also Exhaust Has Stronger Smell Than Normal. It Happened The Other Day Also. The ticking was not due to any fan noise. There are several things this could be such as HVAC system, fan motor, instrument cluster etc. The system uses sensors, blend doors and motors to control heating/cooling and airflow. If you’re unable to boost the battery to get it started, you likely need … Noise is small enough that car must be a idle of near idle to be head It is the same noise a clock in the dash would make I drive with the radio off car has climate control so fan speed varies I first noticed the noise stopped at a light, so moving or standing makes no difference Noise is the same behind the wheel or sitting on passenger side. 50 miles later I was pulling the dashboard out with my bare hands. The sound has been going for more than an hour. I can look in and see the door clo... Clicking noise when vent is turned on or car is turned off - 2007 Chevrolet Monte Carlo clicking noise in car dashboard, Its key role is to provide power to operate the starter, ignition and all of the electronic accessories in your car. A misfiring engine is the most common engine complaint and the coil is always the number one suspect. 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