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Old 05-16-2020, 01:52 AM   #1
Scooby Newbie
Member#: 514607
Join Date: May 2020
Chapter/Region: BAIC
Location: Under a well updated rock
2019 WRX
World Rally Blue

Default Intercooler insulator care

Service Manual says to use a new insulator (the rubber ring between hose and intercooler) and to apply a thin coat of liquid paraffin to the inner periphery on the insulator before reinstalling the intercooler. From all the guides and videos I've seen; I've never seen them replace the insulator or put liquid paraffin on it.

I assume that if the insulator isn't damaged, then it's okay to re-use it? What happens if I don't apply a thin layer of paraffin before installing the intercooler? Will it leak?
facultyofmusic is offline   Reply With Quote
Old 05-19-2020, 08:27 AM   #2
Scooby Newbie
Member#: 206257
Join Date: Mar 2009
Chapter/Region: MWSOC
Location: Yukon, OK
2009 WRX 5-door


Just reinstall it. You can use a light smear of oil if it doesn't want to slide together.
Watch that ring, though - it's a known weak spot for intake leaks.
kingsalami is offline   Reply With Quote

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