They are a sealed bearing and are not greaseable.
No, the front hubs are sealed units on a Grand Cherokee.
In the brake rotors.
It is 175 ft lbs for the front wheel bearing of a grand cherokee
A Grand Cherokee is either rear wheel drive or four wheel/all wheel drive.
Change them. They are not serviceable.
The 2014 Jeep Grand-Cherokee has rear wheel drive.
The 2004 Jeep Grand-Cherokee has rear wheel drive.
The 2009 Jeep Grand-Cherokee has rear wheel drive.
The 2013 Jeep Grand-Cherokee has rear wheel drive.
The 2008 Jeep Grand-Cherokee has rear wheel drive.
The 2006 Jeep Grand-Cherokee has rear wheel drive.
The 2003 Jeep Grand-Cherokee has rear wheel drive.