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Cooling fan constantly runs - 2007 Mercedes-Benz CLK550 Convertible

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Cooling fans running constantly is this normal susuki vitara 2007 2ltr petrol


No... constantly is not normal...!!

Hello John Burns,

The vehicle (by design) is targeted to operate at
180 degrees Fahrenheit ... Look for a thermostatic switch on or near the top of the radiator. For these purposes I STRONGLY RECOMMEND workshop or FACTORY repair manuals.

I have noted that most makes will keep the fan running AFTER the ignition is off... but that could easily be verified by looking at (make & model needed here) your UNDISCLOSED
vehicle's WIRING DIAGRAM ...

Present complete issue statement:
"Cooling fans running constantly is this normal"

Popular USA market vehicles TOTALLY FREE
wiring & TECHNICAL SERVICE BULLETINS
are available on BBB Industries website (below)

Hope this helps...

I see issue now show Suzuki 2007...
I do know engines BEGIN to run correctly ABOVE
180 degrees Fahrenheit..
Buy a NEW THEMOSTATIC FAN SWITCH

Apr 14, 2017 | Cars & Trucks

1 Answer

The cooling fan comes on five minutes after starting


Unless you have the A/C on, that may be normal. The cooling fans only run once the coolant temperature exceeds about 215 degrees. It runs until the temp is down to about 200 degrees. The fans will cycle on and off as necessary to keep the coolant within that range. When the car is in motion, the airflow thru the radiator is normally sufficient to keep the coolant stable and the fans do not run. Only if you turn on the A/C will the fans runs constantly, since the A/C system needs constant airflow thru the evaporator.

Nov 03, 2016 | Cars & Trucks

1 Answer

Why are my cooling fans for radiator running constantly?


The cooling fans are supposed to run any time the a/c is on in order to keep air flowing across the condenser. Your a/c will not work properly at idle if they quit.

Jul 27, 2015 | 2010 Ford Escape

1 Answer

My car fan come on when the car at normal temp constantly. I just replaced a cracked radiator and thermostat. Now my car fan constantly run when the car is in park or stand still


you have created an overheating problem by replacing the radiator and the thermostat and not ensuring that there was no air lock in the cooling system
The fan is now constantly running because the coolant sensor is reading a high coolant temperature
First step is to ensure that there is not an air lock in the cooling system by bleeding the air out and if the fan still runs then check the way the thermostat was installed

Apr 15, 2015 | 2006 Infiniti M35

1 Answer

Why does cooling fan run constantly on 2004 pontiac sunfire


Have you checked the ecm for trouble codes ? The fan runs all the time as a safety to try to prevent the engine from overheating.

Aug 06, 2014 | 2004 Pontiac Sunfire

1 Answer

I have a Mitsubishi Lancer Sport Backand my radiator cooling fan is running constantly.What do I need to do to fix this?


check your fluid levels are you overheating possible bad heat sensor did this just start happening look for fluid leak

Jul 06, 2012 | Oldsmobile Bravada Cars & Trucks

1 Answer

Mercedes benz airconditioning


You might check the cooling fans on the condenser to see if they are running when the ac is on.If they are not check for blown fuse,or bad cooling fan relay.Do you notice if the ac cools better when running constantly,and the ac is not so cool when in traffic,stopping and going,and running slow?If so the cooling fan,or fans are not working.If the fan fuse and the relays check out fine,then replace the fan,or fans.If I can help any more please ask.roniecon@gmail.com

Aug 19, 2009 | 2004 Mercedes-Benz C-Class

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