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.

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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 166 (ENGINE CONTROLS - 3.5L (L66) INTRODUCTION)REPAIR INSTRUCTIONSTHROTTLE BODY ASSEMBLY REPLACEMENTREMOVAL PROCEDURE

2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Removal Procedure

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Removal Procedure

WARNING: This page is about a different car, the 2005 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Remove the outlet resonator/duct assembly. Refer to Air Cleaner Resonator Outlet Duct Replacement .
Cover the throttle body opening with a shop towel and use shop air to remove any dirt at the base of the throttle body.

Fig 1: View Of Outlet Resonator/Duct Assembly
Courtesy of GENERAL MOTORS CORP.
Disconnect the MAP sensor connector.
Disconnect the throttle control connector at throttle body.

Fig 2: Disconnect MAP Sensor Connector & Throttle Control Connector At Throttle Body
Courtesy of GENERAL MOTORS CORP.
Clamp off the hoses to avoid leaking coolant on engine.
Remove the wiring harness bracket bolt from the throttle body.
Remove the coolant hoses at throttle body (4).

Fig 3: Removing/Installing Coolant Hoses At Throttle Body (4)
Courtesy of GENERAL MOTORS CORP.
Remove the throttle body fasteners.
Remove the throttle body.

Fig 4: Removing/Installing The Throttle Body
Courtesy of GENERAL MOTORS CORP.

NOTE: Cover the intake manifold opening with a shop towel whenever the throttle body is removed to prevent foreign material entry.

Block the intake manifold opening with a clean shop towel to prevent dirt from entering.

RENDER: 1.0x

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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.