Skip the auto shop - Our mechanics make house calls

Q: Clicking noise in the rear when a/c is on.

asked by on

rear makes a clicking sound when the temp. knob (both,overhead knob or back seat knob) My 2003 Ford Expedition is making an annoying noise from the right rear of the vehicle .
My car has an automatic transmission.

A: The clicking noise coming from the rear a/c...

The clicking noise coming from the rear a/c unit in the right rear of your vehicle is most likely the temperature blend door actuator has internal circuit problem. You should have a mechanic like one from YourMechanic come and check the rear a/c blend door actuator and replace actuator. The rear internal panel will need to be removed for access to the a/c unit to check and replace the actuator.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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

Get a quote

What others are asking

Q: How much to flush out system cause car has no heat

The heater core being plugged is not the most common cause for this vehicle to not give heat out of the vents. If you move controls to heat and do not notice a temperature change when turned hotter the most...

Q: Leaking coolant

Depending on where you see coolant, the leak can be something as simple as a hose, to a more complex thing like a heater core. There is coolant in the engine, radiator, hoses, and inside the vehicle via the heater...

Q: Gross smell from the AC

It sounds to me like the drain for the A/C system is clogged. When you run the vehicle’s air conditioner, condensation forms on the evaporator, just as it forms on a glass of ice water. The A/C drain allows the...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...