Will I started the motor swap on my wife's Yukon XL today(2000 5.3 TO 2008 5.3) and I got to say what a pain. I'm trying to keep the power steering (pump won't come off bracket without pulling the pulley) and A/C intact in the truck. Got the harness apart and pulling it with the motor. I spent three and half hours trying to get the converter bolts out and couldn't do it. I called a friend that does tranny work and he loaned me a 16" chisel bit for my air hammer, says it's the only way. Will within 30 mins. all three are off, YES! Then started removing the tranny to motor bolts the first 6 no problem. The top three well after an hour I called it quits for the night. I spent all day and into the night a little and the motor ant out yet. I did chase tools for about two hours but still. I've pulled motor out of a lot of older cars but this is the first newer car and needless to say I have not impressed myself. LOL Back at it tomorrow.
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