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 335 (ENGINE CONTROL SYSTEM - 3.5L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSIGNITION COIL(S) REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Installation Procedure

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

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing 4 Screws Securing Ignition Coil And Module Assembly To Bracket

GM1238999

Courtesy of GENERAL MOTORS CORP.

Install the ignition coil.
NOTE: Refer to Fastener Notice .
Install the ignition coil bolt.
Tighten: Tighten the bolts to 4.5 N.m (40 lb in).

Fig 2: Connecting The Right Side Spark Plug Wires To The Ignition Coil

GM1608803

Courtesy of GENERAL MOTORS CORP.

Connect the right side spark plug wires to the ignition coil.

Fig 3: Connecting The Left Side Spark Plug Wires To The Ignition Coil

GM1608802

Courtesy of GENERAL MOTORS CORP.

Connect the left side spark plug wires to the ignition coil.

Fig 4: Connecting The Ignition Coil Electrical Connector

GM1608869

Courtesy of GENERAL MOTORS CORP.

Connect the ignition coil electrical connector (6).
Connect the MAP sensor electrical connector (1).
Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .

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.