Sierra 1500 2WD V6-4.3L (2008)
1. Install a NEW rocker arm cover gasket to the cover.
2. Install NEW rocker arm cover bolt grommets to the cover, if necessary.
3. Install the rocker arm cover.
Notice: Refer to Fastener Notice .
4. Install the rocker arm cover bolts.
Tighten the bolts to 12 N.m (106 lb in).
5. Install the PCV valve hose to the valve cover and rocker cover.
6. Connect the power brake booster vacuum hose to the vacuum fitting.