Northstar Engines and System Technical Discussion Discussion, Fluid Change vs Fluid Flush... in Cadillac Engine Discussion; Well, this has turned out to be a major dilemma...
I would like to get some new coolant, and new ...
Automobile(s): White Diamond '03 DHS (with DTS floor shift)
Re: Fluid Change vs Fluid Flush...
Short of doing it yourself, most dealers do an "exchange". An exchange is basically a flush (not reverse flush) with the appropriate fluid. In other words, they pump new fluid in until all the old fluid is expelled. THAT I could live with and you know that they know (or should know) what they are doing.