2006 GMC Sierra Repair Question
Asked on January 30, 2013
GMC Sierra Heater Problem
Hoow to change the block heater on the 6 litre denalli engine? is it threaded or compresion
Asked by (pending member)Answer
Replied on 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.
