Yukon 4WD V8-5.3L (2008)
18. Connect the engine harness electrical connector (4) to the oil level sensor.
19. Install the engine harness clip (3) to the transmission oil cooler line bracket.
20. For both the 1500 and 2500 series, perform the following steps prior to installing the crossbar bolts.
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolts with denatured alcohol or equivalent and allow to dry.
3. Apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the bolt threads.
21. For 2500 series vehicles, install the crossbar and crossbar bolts/nuts.
Tighten the nuts to 120 N.m (89 lb ft).
