A gasket could be the cause of a Jeep Cherokee engine to whistle when it's cold. Check the throttle body gasket to see if it needs to be replaced.
Sounds like the cooling fan doing its work. To protect the engine and cooling system, many fans stay on for a short time after engine switch off.
the HVAC blend doors are either broke or on their way to being broke. I was told by a dealer it was a $1400 dollar repair
The 2009 Jeep Grand-Cherokee has a V6 engine.
The 2012 Jeep Grand-Cherokee has a V6 engine.
The 2013 Jeep Grand-Cherokee has a V6 engine.
The 2007 Jeep Grand-Cherokee has a V6 engine.
The 2014 Jeep Cherokee has a 2.4 L base engine size.
The 2014 Jeep Cherokee has an inline 4 engine.
The 2010 Jeep Grand-Cherokee has a V6 engine.
The 2007 Jeep Grand-Cherokee has a V6 engine.
The 2012 Jeep Grand-Cherokee has a V6 engine.
The 2013 Jeep Grand-Cherokee has a V6 engine.
The 2009 Jeep Grand-Cherokee has a V6 engine.
The 2011 Jeep Grand-Cherokee has a V6 engine.
The 2014 Jeep Grand-Cherokee has a V6 engine.
The 2006 Jeep Grand-Cherokee has a V6 engine.
Yes
The 2003 Jeep Grand-Cherokee has an inline 6 engine.
The 2004 Jeep Grand-Cherokee has an inline 6 engine.