How To Replace VVT (variable valve timing) Solenoid 2007-2017 Jeep Patriot 

Very helpful it's the first video I've seen on the vvt for a dodge / jeep 4 cylinder that explains it. Most other are for the 6 cylinder.

It is probably the same for the Compass with the 2.4L. A flex head gear wrench 19 makes, what looks like a coolant temp sensor, a very easy install.

Ratcheting 19 millimeter wrench would be much easier that that regular 19 millimeter wrench.