When do the radiator fans kick on in 850 Volvos? And do they continue to run (for a short while) even after the car has been turned off-like A1 VW's. I am just trying to confirm that the new radiator fan that was installed(last week at the Volvo dealership in Cerritos) in my father's 850 is indeed operating properly. I drove my Mom to the office this morning on the way to the mechanic (to have the oil changed, a new sway bar end link installed, and the tires rotated), and after driving the 5 miles, the fan wasn't running. It did appear to be running (however slowly) after I brought the car to the house so my father could take it to work. Thanks in advance :)

That's normal. If you want to check the fan, just turn on the AC if it ever gets warm out.

The fan is a 2 speed device and isn't used much on the highway because of the normal airflow.

Klaus
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(V♂LV♂s 1975 164, 1995 854T, 1998 V70R)

Yes, it runs for a little while but not all the time. It has to do with the temp reading of the engine, I believe. I recall our 850 used to do that too.
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1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.

Thanks MadeinJapan :) I just wanted to be sure that the various Volvo dealerships didn't mess up the fan as well. Have a most wonderful weekend, and thanks again for all the help :)