Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2009 Pontiac G8 BaseFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Carefully clean the throttle body mounting surfaces of any gasket and/or sealing material.

Fig 1: Identifying Throttle Body Bolts To Upper Intake Manifold Retaining Bolts

Courtesy of GENERAL MOTORS CORP.

Install the throttle body and NEW gasket to the vehicle.

CAUTION: Refer to Fastener Caution .

Install the throttle body bolts to upper intake manifold retaining bolts (1) and tighten to 10 N.m (89 lb in).

Fig 2: Identifying Throttle Body Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Install the throttle body electrical connector (1) to the throttle body.
Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
Perform the throttle learn procedure. Refer to Throttle Learn .
Use the scan tool to clear all DTCs.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.