Yes I soldered the 2009 HHR's chewed wires. Here is the first video...
https://www.youtube.com/watch?v=mo-AB8Jr3FE
The coolant change was made easier by watching another video. Link below.
Dirt Road Traveler by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
https://www.youtube.com/watch?v=MMdiQrwkIJQ
HERE ARE, some tools, parts, and consumables that I use...
https://www.amazon.com/shop/carstrucksanddetours
*Note..."I am in the Amazon Affiliate program as an Amazon Associate I earn from qualifying purchases"...Note: My small commission does not increase the items price.