Mechanics

GMC SIERRA HEATER PROBLEM

2006 GMC Sierra • 65,000 miles

Hoow to change the block heater on the 6 litre denalli engine? Is it threaded or compresion
Avatar
Guest
January 30, 2013.



If you already have a block heater there will be a bolt holding an internal clamp in place. If not you have to knock out a frost plug to install it.

Gmtech
Jan 30, 2013.