Radiator fan problems.

Brenda · Nov 6th, 2010, 23:37

My radiator fan switches itself on as required, but wont switch off, untill the ignition switches it off.Is this likely to be a thermostat problem, and if so, do I need to drain the coolant?

Brenda

arcturus · Nov 7th, 2010, 21:22

Not if you work quickly.

roadcar2000 · Nov 8th, 2010, 00:31

Sounds more like the Fan temp. sensor plug. Unless is your engine running very hot then the thermostat is the problem. And you wont get flooded changeing it.

Brenda · Nov 8th, 2010, 03:37

Thanks Roadcar.

Sounds like the fan temp sensor plug, too, now that youve said.

But where can I find it and what does it look like?

I changed the thermostat as a matter of routine, soon after buying the car as it was over 100,000 miles old.

Brenda · Nov 11th, 2010, 11:44

Anyone?

roadcar2000 · Nov 11th, 2010, 16:28

The good old Haynes manual says it will be either in the radiator side tank or in a hose adaptor in the bottom hose that goes to the radiator. Hope this helps

Nov 6th, 2010, 23:37	#1
Brenda I've Been Banned Last Online: Mar 29th, 2013 14:41 Join Date: Sep 2010 Location: Norwich and Burgess Hill	Radiator fan problems. My radiator fan switches itself on as required, but wont switch off, untill the ignition switches it off.Is this likely to be a thermostat problem, and if so, do I need to drain the coolant? Brenda

Nov 7th, 2010, 21:22	#2
arcturus arcturus Last Online: Today 08:14 Join Date: Mar 2006 Location: Sagres Portugal	Not if you work quickly. __________________ life's too short to drink bad wine

Nov 8th, 2010, 00:31	#3
roadcar2000 Senior Member Last Online: Jun 2nd, 2023 11:46 Join Date: Jul 2010 Location: gosport	Sounds more like the Fan temp. sensor plug. Unless is your engine running very hot then the thermostat is the problem. And you wont get flooded changeing it.

Nov 8th, 2010, 03:37	#4
Brenda I've Been Banned Last Online: Mar 29th, 2013 14:41 Join Date: Sep 2010 Location: Norwich and Burgess Hill	Thanks Roadcar. Sounds like the fan temp sensor plug, too, now that youve said. But where can I find it and what does it look like? I changed the thermostat as a matter of routine, soon after buying the car as it was over 100,000 miles old.

Nov 11th, 2010, 11:44	#5
Brenda I've Been Banned Last Online: Mar 29th, 2013 14:41 Join Date: Sep 2010 Location: Norwich and Burgess Hill	Anyone?

Nov 11th, 2010, 16:28	#6
roadcar2000 Senior Member Last Online: Jun 2nd, 2023 11:46 Join Date: Jul 2010 Location: gosport	The good old Haynes manual says it will be either in the radiator side tank or in a hose adaptor in the bottom hose that goes to the radiator. Hope this helps

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