Sierra 2500 4WD V8-6.0L (2008)
2. Install the coolant air bleed pipe (307) and seals (308) onto the cylinder heads.
Notice: Refer to Fastener Notice .
3. Install the coolant air bleed pipe bolts (309).
Tighten the bolts to 12 N.m (106 lb in).
4. Install the coolant air bleed covers (313) and seals (308), if required.
5. Install the coolant air bleed cover bolts (312), if required.
Tighten the bolts to 12 N.m (106 lb in).