TrailBlazer 2WD V8-5.3L (2007)
1. Install the air cleaner outlet duct.
Notice: Refer to Fastener Notice.
2. Install the air cleaner outlet duct bolt.
Tighten the bolt to 10 N.m (89 lb in).
3. Tighten the clamps at the following:
* MAF/IAT sensor
* Throttle body
Tighten the clamps to 7 N.m (62 lb in).
4. Connect the PCV fresh air tube (2) to the air cleaner resonator outlet duct (1).