Bruce Nunnally Posted July 15, 2011 Report Share Posted July 15, 2011 During my intercooler research I discovered that although the 2006/2007 Cadillac STS-V had a intercooler coolant expansion/overflow reservoir, the 2008/2009 STS-V just has a tube that drains to in front of the battery. Looking at the system, I suspect that this is because the expansion/overflow is not really needed. I wanted one though, so I [...] View the full Blog Post Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Texas Jim Posted July 15, 2011 Report Share Posted July 15, 2011 Glad you got the intercooler overflow tank installed. Looks good... Link to comment Share on other sites More sharing options...
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