Yukon XL 2500 2WD V8-6.0L VIN N (2006)
15. Install the 1-2 accumulator cover and the accumulator cover bolts.
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Tighten the bolts to 11 Nm (97 inch lbs.).
16. Remove the J 25025-B from the transmission case.
17. Install the valve body.
18. Install the transmission filter.