Clicking or Ticking noise in the cooling fan on 1996 Lexus ES300

I have 96 Lexus ES300 and recently noticed that is some sort of clickig or ticking noise coming from the cooling fan area, in approx. 5 to 10 sec. interval. what is this noise, and how do I fix this problem?

Asked by for the 1996 Lexus ES300
Sounds like an actuator may be trying to open or close a blend door. You may want to remove the glove box and listen to better determine where the noise is coming from.
I meant the cooling fan under the hood where radiator is. Could this be the cooling fan solenoid problem?
If it is the cooling fan there could be a relay closing and opening. You may be able to feel the relay operating by touching the various relays under the hood.
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