Steve, correction: there actually is an afterrun pump in both configurations. Just two different flow directions. "Early style" just ties into the "normal water feed", thus doesn't really aftercool much. The "later" (or hot weather?) style actually reverses the whole coolant flow after shutoff.
Pic shows the early style aftercooling configuration:
Ah yes. Thanks for this, as I was going off of some old memories in my head.
Originally Posted by nubcake
Steve, correction: there actually is an afterrun pump in both configurations. Just two different flow directions. "Early style" just ties into the "normal water feed", thus doesn't really aftercool much. The "later" (or hot weather?) style actually reverses the whole coolant flow after shutoff.
Pic shows the early style aftercooling configuration:
2012 Q7 TDI S-Line - 2010 GTI - 2007 A3 3.2 S-Line - 2003 RS6
2001 Honda S2000 - 1977 Honda CBR 750-F2 - 1965 GMC 1500 WideSide
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