Silverado 1500 4WD V8-5.3L (2007)
Important: Position the O-ring seal (308) onto the nipple portion of the pipe.
1. Install the seals onto the coolant air bleed pipe and/or covers.
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).
