2005 Chevrolet TrailBlazer Logo
Anonymous Posted on Jan 02, 2010

How to install a block heater on a chevy trailblazer?

1 Answer

Anonymous

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  • Master 5,081 Answers
  • Posted on Jan 02, 2010
Anonymous
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Joined: Jul 03, 2009
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First check and see if there is a pouch located directly beside your battery. If there is a pouch it will contain a plug that is for the factory engine block heater. If there is no plug then you can pursue an aftermarket type.

There are several types. If you want to use a freeze plug block heater, you'll need to have someone help you remove a freeze plug. That usually requires that you remove a lot of the peripheral equipment until you can get a clear access to one of the freeze plugs. Measure the freeze plug then go to an auto parts store and purchase a freeze plug block heater of that specific size. Once you have one that will fit into the hole, you can drill a hole in the freeze plug, then use a prying instrument to remove the old freeze plug. The block heater freeze plug usually goes in with a nut to tighten the freeze plug into the hole.

BTW, you'll get a lot of antifreeze all over when you do this, and plan on taking your time since it will be time consuming.

3 Related Answers

byhswrd1

  • 118 Answers
  • Posted on Dec 09, 2009

SOURCE: how do you install a block heater on a chevy aveo 2006?

A block heater is installed in one of the freeze plug ports in your block. Drain your cooling system. Then drill a small hole i the center of the freeze plug and screw a self tapping screw into the hole. You can the use a claw hammer or something similar to pull the freeze plug. Then you just install the block heater in the freeze plug's place. Refill your cooling system and let it get up to full temperature checking carefully for leaks. Please rate my answer.

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Anonymous

  • 20 Answers
  • Posted on May 08, 2009

SOURCE: i have 2005 chevy trailblazer heater wont work,

Sounds like your water pump is going out or your thermostat is stuck. Check the thermostat first and make sure it is not frozen in the clsed position.

Ross Clifton

  • 136 Answers
  • Posted on Oct 07, 2009

SOURCE: I am putting a block heater in my 06 Chevy

on the left side of the engine block

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