Sierra Denali AWD V8-6.0L VIN N (2004)
15. If equipped with the 4L60-E automatic transmission, remove the transmission bolt and stud on the right side.
16. Remove the bottom bolt on the left side.
17. If equipped with the 4L80-E automatic transmission, remove the transmission converter cover bolts.
18. If equipped with a manual transmission, remove the two bottom bellhousing bolts.