03 Yukon XL AC Temperature Controls

aghill95

Original poster
Member
Dec 20, 2013
1
Howdy everyone! I've recently started repairing my own vehicles, and could use a little help troubleshooting an issue. I have a 2003 Yukon XL, and the air is either as cold as possible or as hot as possible. The front temperature controls do nothing in between. I've done some research, and other posts make it sound like the flapper valve actuator. AC Delco part number 15-72506.

Does anyone have any experience that would help with this?

Thanks in advance,

Alex
 

01yukontx

Member
Dec 26, 2013
4
Late response, sorry,but I have found that you-tube has great videos for helping these situations.Aa auto shows great ones and sells parts at really good prices too.hope this helps
 

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