Chevy Blazer
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What are the steps to install a block heater in a 1999 Chevrolet Blazer?

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Wiki User
2006-09-14 14:47:50

Generally, you need to find a freeze plug that is easy to get

to, remove/destroy the freeze plug and install the block heater.

Before you try to do all of that, make sure you have the right size

freeze plug and everything that you need to install it. Generally,

there is a bolt that tightens the freeze plug into the block. If

you follow the included directions, it's reasonably

straight-forward. If that sounds a little too involved, try an

in-line coolant heater that connects to either a radiator hose or a

heater hose, depending on what you get.

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