Radiator Fan Switch scenario

flyerphil · Jun 30th, 2009, 19:47

Hi
just checked the radiator fan switch recently and when I shorted the two pins the fan came into life. Does this mean the switch is U/S ?. The volvo Haynes manual says to turn the ignition on before testing which I Did Not Do. just used the battery. Thanks for any input to clear this.
If the answer is YES the switch has gone, any ideas on how to remove from it's awkward position, having of course taken the battery tray off first. I assume that it's a screw thread?

flyerphil · Jul 2nd, 2009, 22:15

anyone out there , done this.............cheers guys :-)

B20F · Jul 3rd, 2009, 12:56

What kind of 400 is it? If it's a 480 remove the nosecone. Juast unscrew 6 11mm bolts and the 2 brackets behind it. 10min job and you can get at the radiator. But what makes you think the switch is faulty? Engine temp to high, fan won't cut in? The fan should cut in around 100c. If you short the switch you know the wiring and fan are working. From what I understand you took the current directly from the battery, so the ignition switch is out of the circuit.
When asking a Q always write down type, which engine and year so you won't get the wrong answers.

Jun 30th, 2009, 19:47	#1
flyerphil New Member Last Online: Nov 26th, 2009 09:55 Join Date: Dec 2007 Location: gwynedd	Radiator Fan Switch scenario Hi just checked the radiator fan switch recently and when I shorted the two pins the fan came into life. Does this mean the switch is U/S ?. The volvo Haynes manual says to turn the ignition on before testing which I Did Not Do. just used the battery. Thanks for any input to clear this. If the answer is YES the switch has gone, any ideas on how to remove from it's awkward position, having of course taken the battery tray off first. I assume that it's a screw thread?

Jul 2nd, 2009, 22:15	#2
flyerphil New Member Last Online: Nov 26th, 2009 09:55 Join Date: Dec 2007 Location: gwynedd	changing radiator fan plug anyone out there , done this.............cheers guys :-)

Jul 3rd, 2009, 12:56	#3
B20F Master Member Last Online: Jul 7th, 2016 21:43 Join Date: Mar 2007 Location: Zeist View Photos By: B20F	What kind of 400 is it? If it's a 480 remove the nosecone. Juast unscrew 6 11mm bolts and the 2 brackets behind it. 10min job and you can get at the radiator. But what makes you think the switch is faulty? Engine temp to high, fan won't cut in? The fan should cut in around 100c. If you short the switch you know the wiring and fan are working. From what I understand you took the current directly from the battery, so the ignition switch is out of the circuit. When asking a Q always write down type, which engine and year so you won't get the wrong answers. __________________

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