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replacing blend door

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I have read about blend doors being a real pain to replace and thought I would share my experience. On my 99 sts it was a 20 minute job, once I found the correct one and figured out what I was doing. Mine was item 46 on the chart, and controlled the temperature. Nobody should pay to get that changed. 2 screw that hold a plastic cover, an electrical plug and 2 more screws in the part. thats it!!!


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Congratulations, and thank you for announcing that this is an easy DIY job.

The diagram would be easier to read if it was in 3D.

-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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