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Subject:Re: Do I drain coolant B$ removing sensor
From:David Beierl
Date:Fri, 26 Jul 2013 16:37:21 -0400

At 04:22 PM 7/26/2013, Spencer Allen wrote:
>The coolant light is flashing on my 1.9 when cold or hot. I want to
>remove the sensor but it looks like coolant will come pouring out if
>I try to remove it. The coolant is to the top of the blue cap. Can I
>drain the coolant down below the sensor hole  without causing air to
>get into the system? Thanks for any help.

First off, any air in the pressure tank will cycle out into the
overflow tank over several engine hot/cold cycles, so no worries there.

Beyond that though, you can mostly diagnose the blinker without
removing the sender, as I'll describe in the next email.

Yrs,
d