In most vehicles, this relay is located in
the power distribution center or underhood junction box
. A few vehicles have this relay mounted on a fender apron or on the firewall.
Where is the condenser fan relay located?
The fan relay is usually located
near the bottom of the engine compartment on a metal frame member
. The metal acts as a heat sink to keep the fan relay cool. So, unplug the connector at the relay and repeat the check for power. If you get power, you've got a bum relay.
How do I know if my condenser fan relay is bad?
- The engine is overheating.
- The air conditioner is not working on a regular basis.
- The air conditioner does not work at all.
- No cool air is being blown out when you turn the air conditioning on.
- You hear a rattling noise when you shake the condenser fan relay.
What is condenser fan relay?
The condenser fan relay is
the electronic relay that controls the power to the AC condenser cooling fan
. When the relay is activated the AC condenser fan is switched on so that it can keep the AC condenser cool.
How do you replace a condenser fan relay?
- Materials Needed.
- Step 1: Locate underhood fuse/relay box. …
- Step 2: Remove the fuse/relay box cover. …
- Step 3: Identify the cooling fan relay. …
- Step 4: Be sure power is off. …
- Step 5: Replacing cooling fan relay.
What does a bad fan relay look like?
Engine running hot
One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. … If the relay shorts or fails, it will not be able to supply the power for the fans to operate and keep the engine running at normal temperatures.
Should radiator fan turn on when AC is on?
Both radiator fans should always run when the AC compressor is engaged. To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches
about 200 to 230 degrees
.
How long should a condenser fan last?
An AC fan motor can last
more than 12 years
if it's kept clean and cooled as needed. On the other hand, without annual maintenance checkups, your fan motor may only survive between one and three years.
What happens when condenser fan fails?
When the condenser overheats, all of the components of the AC system will begin to overheat until they eventually get hot enough to burn and emit an odor. … A failed fan will not only fail to
produce cold air
, but can even result in damage to the AC system due to overheating.
What is the difference between condenser fan and radiator fan?
On some vehicles, for example, only the condenser fan operates with the air conditioner, while only the radiator fan operates
based on engine temperature
. On other vehicles, both fans can be activated by either air conditioning or engine temperature.
Why is my AC condenser fan not working?
There are several reasons the capacitor of your HVAC unit can fail. These include overheating, running too long, power surges, and age. When the capacitor fails, the
condenser fan will no longer rotate
.
How much does an AC relay cost?
AC Relay Replacement Cost
Replacing a relay costs
$80 to $300
. Relays are used to send voltage to the different parts of the system to turn on and off.
How much does a cooling fan relay cost?
To get your cooling fan relay replaced, you will pay, on average,
$80-$160
, depending on the type of car you have and the mechanic's fees. The labor should cost around $70, while parts should run you $10-$50.
What sensor controls the radiator fan?
On most modern cars, the cooling fan is controlled by
the Engine Control Unit (ECU)
which gets a signal from the coolant temperature sensor.
