If anything, jack the front up after you remove the rear pumpkin cover, to allow more oil to drip out. There is plenty of room to work without jacking the vehicle up. I always try to avoid jacking the jeep up, if I can avoid it, for safety reasons. The torque for my, much older jeep, is 33 ft-lbs.
Trained Professional Crack-pot
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94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new
03 4Runner V8 (my wife's car)
94 Volvo 850 (my 16-yr old daughter's car) Five cylinder
88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new