Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
3. Install a NEW oil cooler adapter gasket.
4. Install a NEW oil cooler adapter to flywheel housing gasket.
5. Install the oil cooler adapter to the flywheel housing.
6. Notice: Refer to Fastener Notice in Service Precautions.
Install the oil cooler adapter bolts.
Tighten the bolts/nuts to 21 Nm (15 ft. lbs.).
7. Install the flywheel housing bolts, denoted by the black circles.
Tighten the bolts to 90 Nm (67 ft. lbs.).
