Block Heater Replacement
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Fleet Mechanic
Joined: Mar 2007
Posts: 1,313
Likes: 6
From: Rio Rancho NM
Block Heater Replacement
My block heater went out this past spring. I can no longer hear the oil fizz when I plug it in. Not sure if it's fried or a wire is broken. Does anyone know what the resistance of a good element should be? If it needs replacement should I drain the oil before I pull the element? Seems that since it cooks the oil and mounts horizontal that oil would pour out the hole when the element is removed.
Thanks guys!
Thanks guys!
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
The block heater actually heats the coolant in the oil cooler. You should have continuity between the 2 flat prongs on the plug, it may have a certain resistance but it usually just burns out the element or power cord and then there is no connection. You will need to drain the coolant before replacing it, no need to drain the oil.
The block heater screws into the oil cooler header at the oil filter. Remove the cord, then unscrew the element.
The block heater screws into the oil cooler header at the oil filter. Remove the cord, then unscrew the element.
Last edited by Cuda_jim; Aug 20, 2007 at 02:32 PM.
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