- Install the upper intake manifold gaskets (516).
- Install the upper intake manifold (500).
Caution: Refer to Fastener Caution in the Preface section.
- Install the upper intake manifold bolts and studs (501, 508). Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads. Tighten the upper intake manifold bolts and studs to
25 N·m
(18 lb ft).
- Install the throttle body seal (513) and the throttle body (514).
Note: Do not tighten the throttle body bolts until the heater outlet pipe is installed.
- Install the purge valve assembly (510, 511) and the bolt (512). Tighten the purge valve bolt to
10 N·m (89 lb in).