Hoow to change the block heater on the 6 litre.

Tiny
ANONYMOUS
  • 2006 GMC SIERRA
  • 65,000 MILES

Hoow to change the block heater on the 6 litre denalli engine? Is it threaded or compresion

Wednesday, January 30th, 2013 AT 8:52 PM

1 Reply

Tiny
GMTECH
  • EXPERT
  • 552 POSTS

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.

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Wednesday, January 30th, 2013 AT 9:09 PM

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