remove the clutch and flywheel first. Gently pry out the seal and press new one in with a large pocket and a rubber hammer
reference this link:
http://members.rennlist.com/sharkskin/Pages_SA_R30-Clutch.htm
A Jeep 4.0L has a two piece rear main seal. You have to remove the oil pan and rear main bearing cap to replace it.
You must remove the transmission are engine to replace the rear main seal.
Remove transmission and replace the rear main seal
The 2004 Porsche Cayenne has 35.9 in. of rear leg room.
The 2012 Porsche Panamera has 38.2 in. of rear head room.
The 2006 Porsche Cayenne has 36.0 in. of rear leg room.
The 2012 Porsche Panamera has 51.7 in. of rear shoulder room.
The 2013 Porsche Panamera has 38.2 in. of rear head room.
The 2014 Porsche Panamera has 38.2 in. of rear head room.
The 2006 Porsche Cayenne has 38.5 in. of rear head room.
The 2013 Porsche Panamera has 51.7 in. of rear shoulder room.
The 2003 Porsche Cayenne has 38.5 in. of rear head room.