Sierra Classic 3500 4WD V8-8.1L (2007)
3. Install a NEW seal to the indicator tube.
4. Install the oil level indicator tube.
5. Notice:
Refer to Fastener Notice.
Install the indicator tube bolt, if equipped with RPO HP2.
Tighten the bolt to 18 Nm (13 ft. lbs.).
6. Install the indicator tube nut.
Tighten the nut to 18 Nm (13 ft. lbs.).