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Engine running with block heater plugged in

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Old Jan 4, 2010 | 06:04 AM
  #1  
FSJ-EARL's Avatar
FSJ-EARL
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Mountain Pass
Joined: Aug 2008
Posts: 249
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From: Middletown, PA
Engine running with block heater plugged in

Will I do any damage if I run the engine to help with the warm up with the block heater still plugged in? Does tje block heater heat the oil or the coolant / antifreeze? THANKS!

EARL!
 
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Old Jan 4, 2010 | 06:09 AM
  #2  
bfife's Avatar
bfife
still plays with trucks
Joined: Mar 2004
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From: Twin Falls Idaho
Club FTE Silver Member

No damage at all. Just remember to unplug be for you leave! Block heater warms the coolant/antifreeze.


Barney
 
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Old Jan 4, 2010 | 06:11 AM
  #3  
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andrewc53
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Joined: Nov 2009
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From: Dayton MD
It heats the coolent. May not hurt anything or it may over heat the element. Once started it has done it's job. A Curtis
 
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Old Jan 4, 2010 | 06:43 AM
  #4  
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papadelogan
Snowboard season cometh..
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From: Gulf Coast of Florida
Club FTE Silver Member

You can leave it plugged it, but I'd personally unplug it once the temp gauge starts to move. If the coolant is warm enough, you're just wasting electricity. I also, as a test, plugged in the block heater with the engine fully warmed; the circuit breaker on the line popped IMMEDIATELY. I reset, and tested again; same result.

If I have my truck plugged in, then once she's running, I hop out and unplug the block heater cord, every time. Good habit I think that keeps me from tearing up a good cord and maybe damaging the truck/garage/house a little. Last thing you want is to bugger up that simple system in the dead of winter...
 
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