change the block heater?

2006 GMC SIERRA
65,000 MILES
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How to change the block heater on the 6 liter Denali engine? is it threaded or compression?
Jan 30, 2013 at 8:52 PM
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DANNY L
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Hello, I'm Danny.

I've attached picture steps below on how to change the engine block heater on your GMC truck. The sensor is threaded so in the installation process steps it is advised to use thread sealant. Hope this helps and thanks for using 2CarPros.
Dec 29, 2020 at 3:38 AM