Q: clicking noise in heating and cooling duct work under dash

asked by on October 09, 2016

the clicking noise does not seem to be the fan, because the noise occurs when the key is shut off and nothing is running.

My car has 97000 miles.
My car has an automatic transmission.

Car is making a noise Inspection $79.99 - $89.99 Get a Quote

The noise you are hearing is likely a temperature or blend door electronic actuator, which will make the clicking noise when the circuit board inside the actuator goes bad. The actuator that is bad will need to be located and then replaced as required. If you’d like, a YourMechanic certified technician can come to your location to perform a Car is making a noise Inspection on your vehicle, diagnose the faulty part, and help you with the replacement of the part as well.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

What others are asking

My truck shakes when I accelerate

This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed...

3 part question. I have a 1994 chrysler lhs thats had the timing belt go out

The 3.5 ltr V6 is an interference engine. That means the valves and the pistons occupy the same space but at different times. The timing belt keeps the cams and crankshaft spinning in the proper time, so the valves and...

I blew a brake line last night, replaced line.bled brakes from master cylinder, brakes very squishy

Both improper bleeding and a failed master cylinder could be the fault. Running the master cylinder dry can lead it to fail quickly. The primary seal on the master cylinder piston will tear easily. Make another attempt to bleed the...

Truck overheats when temp outside is below freezing

If the engine is only overheating when temperature drops below freezing then the most likely cause is the coolant in the engine is freezing due to incorrect mixture with too much water. Have the coolant flushed out and replace with...

How much is a transmission service

What you are describing is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...

Car shakes

What you are describing is a sign of warped brake rotors. As you may know, when you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers to push the brake pads...

Defrost doesn't heat up until I start driving

Hello: Although it's possible that you may have an issue with your heater, it's difficult to determine this without physically inspecting your Dodge. However, the heating system receives it's heat from coolant that circulates through your motor. It takes some...

Alternator/Battery

Hello. Make sure you are connecting the proper cables to the proper terminals (i.e. red cable to the positive bigger terminal and black to the negative terminal). The cables will naturally spark a little at times when you are connecting...

Knocking noise from under the hood

Hi, thanks for writing in. There are many possible sources of the knocking noise you hear, especially with the advanced mileage on your vehicle. Most likely are worn connecting rod and crankshaft main bearings (will knock worse if you rev...

Related articles

A Buyer’s Guide to the 2012 Chevrolet Impala
A A true classic, the 2012 Chevrolet Impala may not have all of the latest high-tech features of other sedans on the market, but it is a tried-and-true model with lots of room, plenty of comfortable features, and a large...
How to Get Chevrolet Dealership Certified
Chevrolet car dealerships offer automotive technician jobs to mechanics who are certified through the many training programs available.
A Buyer’s Guide to the 2012 Chevrolet Silverado Hybrid
If If you’re looking for a half-ton pickup truck that also gets great gas mileage, look no further than the 2012 Chevrolet Silverado Hybrid. While it has the towing and carrying capacity you’d look for in any regular truck, it...