Car is off, electric fan is still on! - Page 2

PAUL SS · 04-10-2011, 05:28 PM

An engine will continue to heat up after it is turned off due to lack of air flow because the car is standing still. Heat soak from the exhaust manifolds, heads and block will raise the coolant temperature eapecially with the thermostat closed. Any car with a mechanical water tempurature gauge will prove this.
So the temputature rises, opens the thermostat but there is no water pump running to move the coolant. Next best thing is for the cooling fans to come on to cool the coolant and it will naturally move (cold water sinks, hot rises.

8cd03gro · 04-10-2011, 05:32 PM

Should be normal. If it continues, just disconnect the battery for a few minutes to reset the ecu.

truth411 · 04-10-2011, 07:11 PM

Quote:

Originally Posted by SSOOCH

The last two times I've turned off my 2008 HHR SS the electric fan is still going. I've waited about five mins to see if it would shut off. Nope. I had to get back in the car, turn the car back on, then off, then it would shut off.

Bad thermostat?

Thanks Guys!

thats normal especially for turbo charge vehicles like yours.

mickss · 04-12-2011, 06:16 PM

Quote:

Originally Posted by truth411

thats normal especially for turbo charge vehicles like yours.

You should also open the hood to let hot air out and to prevent rubber components from drying out prematurely.

THE EVIL TW1N · 04-12-2011, 06:24 PM

Quote:

Originally Posted by PAUL SS

An engine will continue to heat up after it is turned off due to lack of air flow because the car is standing still. Heat soak from the exhaust manifolds, heads and block will raise the coolant temperature eapecially with the thermostat closed. Any car with a mechanical water tempurature gauge will prove this.
So the temputature rises, opens the thermostat but there is no water pump running to move the coolant. Next best thing is for the cooling fans to come on to cool the coolant and it will naturally move (cold water sinks, hot rises.

+1 this is normal.

04-10-2011, 05:28 PM	#15
PAUL SS The Mark of Excellence Drives: 2010 ABM 1SS RS LS3 Join Date: Jan 2009 Location: Smallest State in the Union Posts: 8,688 View My Garage	An engine will continue to heat up after it is turned off due to lack of air flow because the car is standing still. Heat soak from the exhaust manifolds, heads and block will raise the coolant temperature eapecially with the thermostat closed. Any car with a mechanical water tempurature gauge will prove this. So the temputature rises, opens the thermostat but there is no water pump running to move the coolant. Next best thing is for the cooling fans to come on to cool the coolant and it will naturally move (cold water sinks, hot rises. __________________ BMR, CAI, DynoMax, Elite Eng., Hurst, Jannetty, Clear Image Headers & Hi Flow cats, Jet Hot, LSR, TSW, VMax, Vredestein

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04-10-2011, 05:32 PM	#16
8cd03gro Drives: 2005 STi corn fed Join Date: Jul 2008 Location: Colorado Posts: 2,997	Should be normal. If it continues, just disconnect the battery for a few minutes to reset the ecu.