TrailBlazer 4WD V8-6.0L (2007)
1. Install a NEW throttle body gasket (509).
2. Install the throttle body (508).
Notice: Refer to Fastener Notice.
3. Install the throttle body bolts (538) and nuts (507).
Tighten the bolts/nuts to 6 N.m (53 lb in).
4. Connect the 2 throttle body engine coolant hoses to the throttle body.
5. Position the throttle body hose clamps.