Little known fact, the engine compartment blower heater blower motor will also come on if the engine starts to get very hot and it helps cool the engine. I don't know what drives it to come on (engine oil temp or some internal sensor), but it has happened a few times over the course of owning the car living in the south.
EDIT: Here is a link. Another good reason to ensure your engine compartment heater blower motor is working if you live in a hot area. http://forums.pelicanparts.com/porsche-911-technical-forum/539008-running-fan-after-engine-turned-off.html
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2002 GMC Yukon SLE - 4AT - Purchased New in 2002
1988 911 Cab - 5MT - Purchased Used in 2005
2008 Cayman - 5MT - Purchased New in 2007
2014 911/50 - #1173 - 7MT - Purchased CPO in 2014
2019 Macan S - 7PDK - Euro Delivery/New in July 2019
Last edited by pavegeno; 06-21-2019 at 07:06 AM..
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