Make sure you use RTV on the area where block meets timing cover in front and where block meets tranny area. The instruction little paper addresses this.
Great quality. Replace the rear main seal and oil pump while you are at it.
To remove oil pan on Cherokee, jack up the front by the uniframe and let the suspension hang all the way down. Remove the starter. You will then barely have enough room to remove. It you have a lift on your jeep, it will be easier.
What kind of vehicle do you drive? 2000 Jeep Cherokee XJ